./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.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_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/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 44f1ef45a377efa065428e9ab52d4697ba35b901 ...................................................................................................................................... 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_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/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 44f1ef45a377efa065428e9ab52d4697ba35b901 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:22:59,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:22:59,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:22:59,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:22:59,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:22:59,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:22:59,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:22:59,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:22:59,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:22:59,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:22:59,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:22:59,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:22:59,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:22:59,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:22:59,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:22:59,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:22:59,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:22:59,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:22:59,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:22:59,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:22:59,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:22:59,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:22:59,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:22:59,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:22:59,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:22:59,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:22:59,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:22:59,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:22:59,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:22:59,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:22:59,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:22:59,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:22:59,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:22:59,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:22:59,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:22:59,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:22:59,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:22:59,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:22:59,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:22:59,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:22:59,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:22:59,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 14:22:59,688 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:22:59,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:22:59,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:22:59,688 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:22:59,689 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:22:59,689 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:22:59,689 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 14:22:59,689 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:22:59,689 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:22:59,689 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 14:22:59,689 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 14:22:59,689 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:22:59,689 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 14:22:59,690 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 14:22:59,690 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 14:22:59,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:22:59,690 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:22:59,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:22:59,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:22:59,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:22:59,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:22:59,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:22:59,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:22:59,691 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:22:59,691 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:22:59,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:22:59,691 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:22:59,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:22:59,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:22:59,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:22:59,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:22:59,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:22:59,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:22:59,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:22:59,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:22:59,693 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 14:22:59,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:22:59,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:22:59,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:22:59,693 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:22:59,693 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_ac237515-1969-4add-a314-a3121aebc634/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 -> 44f1ef45a377efa065428e9ab52d4697ba35b901 [2019-12-07 14:22:59,792 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:22:59,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:22:59,801 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:22:59,802 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:22:59,803 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:22:59,803 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2019-12-07 14:22:59,840 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/data/f2621d4aa/f2dace6d3a9c4e91abd1bacb6b7aefc2/FLAG363623d4d [2019-12-07 14:23:00,205 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:23:00,206 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2019-12-07 14:23:00,213 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/data/f2621d4aa/f2dace6d3a9c4e91abd1bacb6b7aefc2/FLAG363623d4d [2019-12-07 14:23:00,222 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/data/f2621d4aa/f2dace6d3a9c4e91abd1bacb6b7aefc2 [2019-12-07 14:23:00,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:23:00,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:23:00,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:23:00,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:23:00,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:23:00,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:23:00" (1/1) ... [2019-12-07 14:23:00,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:00, skipping insertion in model container [2019-12-07 14:23:00,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:23:00" (1/1) ... [2019-12-07 14:23:00,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:23:00,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:23:00,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:23:00,463 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 14:23:00,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4d3d41e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:00, skipping insertion in model container [2019-12-07 14:23:00,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:23:00,463 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 14:23:00,465 INFO L168 Benchmark]: Toolchain (without parser) took 239.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:23:00,466 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:23:00,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:23:00,467 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 237.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -152.2 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: 154]: 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 14:23:01,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:23:01,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:23:01,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:23:01,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:23:01,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:23:01,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:23:01,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:23:01,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:23:01,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:23:01,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:23:01,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:23:01,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:23:01,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:23:01,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:23:01,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:23:01,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:23:01,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:23:01,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:23:01,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:23:01,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:23:01,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:23:01,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:23:01,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:23:01,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:23:01,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:23:01,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:23:01,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:23:01,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:23:01,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:23:01,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:23:01,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:23:01,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:23:01,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:23:01,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:23:01,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:23:01,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:23:01,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:23:01,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:23:01,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:23:01,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:23:01,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 14:23:01,649 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:23:01,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:23:01,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:23:01,650 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:23:01,650 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:23:01,650 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:23:01,650 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:23:01,650 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:23:01,650 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:23:01,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:23:01,651 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:23:01,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:23:01,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:23:01,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:23:01,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:23:01,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:23:01,652 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:23:01,652 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:23:01,652 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:23:01,652 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:23:01,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:23:01,652 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:23:01,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:23:01,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:23:01,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:23:01,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:23:01,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:23:01,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:23:01,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:23:01,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:23:01,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:23:01,653 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 14:23:01,654 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:23:01,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:23:01,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:23:01,654 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:23:01,654 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_ac237515-1969-4add-a314-a3121aebc634/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 -> 44f1ef45a377efa065428e9ab52d4697ba35b901 [2019-12-07 14:23:01,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:23:01,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:23:01,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:23:01,844 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:23:01,844 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:23:01,845 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2019-12-07 14:23:01,890 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/data/d045f0cb5/c6e67670fb604126893c45a13c92cff3/FLAGa0df96bfb [2019-12-07 14:23:02,253 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:23:02,253 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2019-12-07 14:23:02,261 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/data/d045f0cb5/c6e67670fb604126893c45a13c92cff3/FLAGa0df96bfb [2019-12-07 14:23:02,270 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/data/d045f0cb5/c6e67670fb604126893c45a13c92cff3 [2019-12-07 14:23:02,272 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:23:02,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:23:02,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:23:02,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:23:02,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:23:02,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:23:02" (1/1) ... [2019-12-07 14:23:02,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:02, skipping insertion in model container [2019-12-07 14:23:02,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:23:02" (1/1) ... [2019-12-07 14:23:02,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:23:02,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:23:02,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:23:02,524 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 14:23:02,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:23:02,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:23:02,572 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:23:02,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:23:02,633 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:23:02,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:02 WrapperNode [2019-12-07 14:23:02,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:23:02,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:23:02,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:23:02,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:23:02,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:02" (1/1) ... [2019-12-07 14:23:02,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:02" (1/1) ... [2019-12-07 14:23:02,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:23:02,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:23:02,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:23:02,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:23:02,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:02" (1/1) ... [2019-12-07 14:23:02,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:02" (1/1) ... [2019-12-07 14:23:02,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:02" (1/1) ... [2019-12-07 14:23:02,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:02" (1/1) ... [2019-12-07 14:23:02,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:02" (1/1) ... [2019-12-07 14:23:02,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:02" (1/1) ... [2019-12-07 14:23:02,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:02" (1/1) ... [2019-12-07 14:23:02,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:23:02,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:23:02,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:23:02,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:23:02,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/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 14:23:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:23:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 14:23:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:23:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:23:03,188 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:23:03,188 INFO L287 CfgBuilder]: Removed 96 assume(true) statements. [2019-12-07 14:23:03,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:23:03 BoogieIcfgContainer [2019-12-07 14:23:03,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:23:03,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:23:03,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:23:03,192 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:23:03,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:23:02" (1/3) ... [2019-12-07 14:23:03,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488230b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:23:03, skipping insertion in model container [2019-12-07 14:23:03,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:23:02" (2/3) ... [2019-12-07 14:23:03,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488230b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:23:03, skipping insertion in model container [2019-12-07 14:23:03,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:23:03" (3/3) ... [2019-12-07 14:23:03,194 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2019-12-07 14:23:03,200 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:23:03,206 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 14:23:03,213 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 14:23:03,229 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:23:03,229 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:23:03,229 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:23:03,229 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:23:03,229 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:23:03,230 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:23:03,230 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:23:03,230 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:23:03,240 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-12-07 14:23:03,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 14:23:03,244 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:23:03,245 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:23:03,245 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:23:03,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:23:03,249 INFO L82 PathProgramCache]: Analyzing trace with hash -196866246, now seen corresponding path program 1 times [2019-12-07 14:23:03,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:23:03,257 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1954497776] [2019-12-07 14:23:03,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/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 14:23:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:23:03,392 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 14:23:03,395 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:23:03,406 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 14:23:03,406 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:23:03,409 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 14:23:03,410 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1954497776] [2019-12-07 14:23:03,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:23:03,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:23:03,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722638147] [2019-12-07 14:23:03,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:23:03,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:23:03,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:23:03,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:23:03,425 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-12-07 14:23:03,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:23:03,443 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2019-12-07 14:23:03,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:23:03,444 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 14:23:03,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:23:03,451 INFO L225 Difference]: With dead ends: 132 [2019-12-07 14:23:03,452 INFO L226 Difference]: Without dead ends: 65 [2019-12-07 14:23:03,454 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:23:03,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-12-07 14:23:03,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-12-07 14:23:03,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-12-07 14:23:03,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-12-07 14:23:03,481 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2019-12-07 14:23:03,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:23:03,482 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-12-07 14:23:03,482 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:23:03,482 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2019-12-07 14:23:03,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 14:23:03,483 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:23:03,483 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:23:03,683 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:23:03,684 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:23:03,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:23:03,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1243623143, now seen corresponding path program 1 times [2019-12-07 14:23:03,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:23:03,686 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30318579] [2019-12-07 14:23:03,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/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 14:23:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:23:03,882 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:23:03,883 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:23:03,897 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 14:23:03,898 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:23:03,906 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 14:23:03,906 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [30318579] [2019-12-07 14:23:03,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:23:03,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 14:23:03,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913124103] [2019-12-07 14:23:03,908 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:23:03,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:23:03,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:23:03,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:23:03,909 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 4 states. [2019-12-07 14:23:03,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:23:03,920 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2019-12-07 14:23:03,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:23:03,921 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 14:23:03,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:23:03,921 INFO L225 Difference]: With dead ends: 65 [2019-12-07 14:23:03,922 INFO L226 Difference]: Without dead ends: 31 [2019-12-07 14:23:03,922 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:23:03,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-07 14:23:03,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-12-07 14:23:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 14:23:03,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-12-07 14:23:03,926 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2019-12-07 14:23:03,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:23:03,926 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-12-07 14:23:03,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:23:03,926 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-12-07 14:23:03,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 14:23:03,927 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:23:03,927 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:23:04,128 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 14:23:04,128 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:23:04,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:23:04,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2019-12-07 14:23:04,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:23:04,131 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939458353] [2019-12-07 14:23:04,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/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 14:23:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:23:04,271 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:23:04,273 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:23:04,282 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 14:23:04,282 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:23:04,289 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 14:23:04,289 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [939458353] [2019-12-07 14:23:04,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:23:04,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 14:23:04,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805322509] [2019-12-07 14:23:04,290 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:23:04,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:23:04,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:23:04,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:23:04,290 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 4 states. [2019-12-07 14:23:04,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:23:04,296 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2019-12-07 14:23:04,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:23:04,296 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 14:23:04,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:23:04,297 INFO L225 Difference]: With dead ends: 56 [2019-12-07 14:23:04,297 INFO L226 Difference]: Without dead ends: 31 [2019-12-07 14:23:04,298 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:23:04,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-07 14:23:04,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-12-07 14:23:04,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 14:23:04,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2019-12-07 14:23:04,301 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2019-12-07 14:23:04,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:23:04,302 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-12-07 14:23:04,302 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:23:04,302 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2019-12-07 14:23:04,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 14:23:04,302 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:23:04,303 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:23:04,503 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 14:23:04,503 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:23:04,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:23:04,504 INFO L82 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2019-12-07 14:23:04,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:23:04,505 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832389458] [2019-12-07 14:23:04,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/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 14:23:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:23:04,641 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:23:04,643 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:23:04,660 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 14:23:04,660 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:23:04,690 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 14:23:04,690 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1832389458] [2019-12-07 14:23:04,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:23:04,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 14:23:04,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783103616] [2019-12-07 14:23:04,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 14:23:04,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:23:04,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 14:23:04,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:23:04,692 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 8 states. [2019-12-07 14:23:04,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:23:04,861 INFO L93 Difference]: Finished difference Result 198 states and 296 transitions. [2019-12-07 14:23:04,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 14:23:04,862 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-12-07 14:23:04,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:23:04,864 INFO L225 Difference]: With dead ends: 198 [2019-12-07 14:23:04,864 INFO L226 Difference]: Without dead ends: 173 [2019-12-07 14:23:04,864 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 14:23:04,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-12-07 14:23:04,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 72. [2019-12-07 14:23:04,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-12-07 14:23:04,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2019-12-07 14:23:04,876 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 23 [2019-12-07 14:23:04,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:23:04,876 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2019-12-07 14:23:04,876 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 14:23:04,876 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2019-12-07 14:23:04,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 14:23:04,877 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:23:04,877 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 14:23:05,078 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 14:23:05,078 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:23:05,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:23:05,079 INFO L82 PathProgramCache]: Analyzing trace with hash -840805216, now seen corresponding path program 1 times [2019-12-07 14:23:05,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:23:05,080 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282520194] [2019-12-07 14:23:05,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/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 14:23:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:23:05,233 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:23:05,234 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:23:05,239 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 14:23:05,239 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:23:05,241 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 14:23:05,241 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1282520194] [2019-12-07 14:23:05,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:23:05,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 14:23:05,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653126222] [2019-12-07 14:23:05,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:23:05,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:23:05,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:23:05,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:23:05,243 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand 3 states. [2019-12-07 14:23:05,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:23:05,408 INFO L93 Difference]: Finished difference Result 190 states and 268 transitions. [2019-12-07 14:23:05,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:23:05,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 14:23:05,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:23:05,410 INFO L225 Difference]: With dead ends: 190 [2019-12-07 14:23:05,410 INFO L226 Difference]: Without dead ends: 124 [2019-12-07 14:23:05,411 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:23:05,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-12-07 14:23:05,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2019-12-07 14:23:05,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-12-07 14:23:05,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2019-12-07 14:23:05,428 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 24 [2019-12-07 14:23:05,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:23:05,428 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2019-12-07 14:23:05,429 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:23:05,429 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2019-12-07 14:23:05,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 14:23:05,430 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:23:05,430 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 14:23:05,631 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 14:23:05,632 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:23:05,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:23:05,633 INFO L82 PathProgramCache]: Analyzing trace with hash -2017502855, now seen corresponding path program 1 times [2019-12-07 14:23:05,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:23:05,635 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [718914994] [2019-12-07 14:23:05,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 14:23:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:23:05,756 INFO L264 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:23:05,757 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:23:05,762 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 14:23:05,763 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:23:05,765 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 14:23:05,765 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [718914994] [2019-12-07 14:23:05,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:23:05,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:23:05,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467126253] [2019-12-07 14:23:05,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:23:05,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:23:05,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:23:05,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:23:05,766 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2019-12-07 14:23:05,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:23:05,775 INFO L93 Difference]: Finished difference Result 176 states and 245 transitions. [2019-12-07 14:23:05,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:23:05,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-12-07 14:23:05,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:23:05,775 INFO L225 Difference]: With dead ends: 176 [2019-12-07 14:23:05,776 INFO L226 Difference]: Without dead ends: 60 [2019-12-07 14:23:05,776 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:23:05,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-12-07 14:23:05,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-12-07 14:23:05,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 14:23:05,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2019-12-07 14:23:05,782 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 27 [2019-12-07 14:23:05,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:23:05,782 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2019-12-07 14:23:05,782 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:23:05,783 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-12-07 14:23:05,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-07 14:23:05,783 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:23:05,784 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:23:05,984 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 14:23:05,985 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:23:05,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:23:05,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1260992860, now seen corresponding path program 1 times [2019-12-07 14:23:05,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:23:05,987 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [554837087] [2019-12-07 14:23:05,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 14:23:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:23:06,120 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 14:23:06,122 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:23:06,132 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:23:06,132 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:23:06,151 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:23:06,151 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [554837087] [2019-12-07 14:23:06,151 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1717571838] [2019-12-07 14:23:06,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 14:23:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:23:06,238 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:23:06,240 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:23:06,263 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 14:23:06,263 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:23:06,266 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 14:23:06,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 14:23:06,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 14:23:06,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766354857] [2019-12-07 14:23:06,266 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:23:06,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:23:06,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:23:06,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 14:23:06,267 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2019-12-07 14:23:06,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:23:06,328 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2019-12-07 14:23:06,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:23:06,329 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-12-07 14:23:06,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:23:06,329 INFO L225 Difference]: With dead ends: 118 [2019-12-07 14:23:06,329 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:23:06,330 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 14:23:06,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:23:06,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:23:06,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:23:06,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:23:06,330 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-12-07 14:23:06,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:23:06,330 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:23:06,330 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:23:06,331 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:23:06,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:23:06,731 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk,8 mathsat -unsat_core_generation=3 [2019-12-07 14:23:06,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:23:07,015 INFO L246 CegarLoopResult]: For program point L514-2(lines 514 520) no Hoare annotation was computed. [2019-12-07 14:23:07,015 INFO L246 CegarLoopResult]: For program point L514-4(lines 514 520) no Hoare annotation was computed. [2019-12-07 14:23:07,015 INFO L246 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2019-12-07 14:23:07,015 INFO L246 CegarLoopResult]: For program point L828-2(lines 639 645) no Hoare annotation was computed. [2019-12-07 14:23:07,015 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2019-12-07 14:23:07,015 INFO L246 CegarLoopResult]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-12-07 14:23:07,015 INFO L246 CegarLoopResult]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-12-07 14:23:07,015 INFO L246 CegarLoopResult]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-12-07 14:23:07,016 INFO L246 CegarLoopResult]: For program point L812(lines 812 818) no Hoare annotation was computed. [2019-12-07 14:23:07,016 INFO L242 CegarLoopResult]: At program point L812-1(lines 812 818) 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 14:23:07,016 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:23:07,016 INFO L246 CegarLoopResult]: For program point L616(lines 616 623) no Hoare annotation was computed. [2019-12-07 14:23:07,016 INFO L249 CegarLoopResult]: At program point L616-1(lines 616 623) the Hoare annotation is: true [2019-12-07 14:23:07,016 INFO L242 CegarLoopResult]: At program point L732(lines 725 735) the Hoare annotation is: false [2019-12-07 14:23:07,016 INFO L242 CegarLoopResult]: At program point L732-1(lines 725 735) the Hoare annotation is: false [2019-12-07 14:23:07,016 INFO L242 CegarLoopResult]: At program point L732-2(lines 725 735) the Hoare annotation is: false [2019-12-07 14:23:07,016 INFO L242 CegarLoopResult]: At program point L121(lines 116 124) 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 14:23:07,016 INFO L242 CegarLoopResult]: At program point L121-1(lines 116 124) the Hoare annotation is: false [2019-12-07 14:23:07,016 INFO L242 CegarLoopResult]: At program point L121-2(lines 116 124) the Hoare annotation is: false [2019-12-07 14:23:07,017 INFO L242 CegarLoopResult]: At program point L89(lines 84 92) the Hoare annotation is: false [2019-12-07 14:23:07,017 INFO L242 CegarLoopResult]: At program point L89-1(lines 84 92) the Hoare annotation is: false [2019-12-07 14:23:07,017 INFO L242 CegarLoopResult]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2019-12-07 14:23:07,017 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:23:07,017 INFO L246 CegarLoopResult]: For program point L802(lines 802 808) no Hoare annotation was computed. [2019-12-07 14:23:07,017 INFO L242 CegarLoopResult]: At program point L802-1(lines 802 808) 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 14:23:07,017 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2019-12-07 14:23:07,017 INFO L246 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-12-07 14:23:07,017 INFO L242 CegarLoopResult]: At program point L869(lines 1 880) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 14:23:07,017 INFO L246 CegarLoopResult]: For program point L671(lines 671 688) no Hoare annotation was computed. [2019-12-07 14:23:07,017 INFO L246 CegarLoopResult]: For program point L671-1(lines 671 688) no Hoare annotation was computed. [2019-12-07 14:23:07,017 INFO L246 CegarLoopResult]: For program point L671-2(lines 671 688) no Hoare annotation was computed. [2019-12-07 14:23:07,017 INFO L242 CegarLoopResult]: At program point L589(lines 585 591) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 14:23:07,018 INFO L242 CegarLoopResult]: At program point L639(lines 638 657) 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 14:23:07,018 INFO L246 CegarLoopResult]: For program point L639-1(lines 639 645) no Hoare annotation was computed. [2019-12-07 14:23:07,018 INFO L242 CegarLoopResult]: At program point L639-2(lines 638 657) the Hoare annotation is: false [2019-12-07 14:23:07,018 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:23:07,018 INFO L242 CegarLoopResult]: At program point L639-3(lines 638 657) the Hoare annotation is: false [2019-12-07 14:23:07,018 INFO L242 CegarLoopResult]: At program point L540-2(lines 540 554) the Hoare annotation is: false [2019-12-07 14:23:07,018 INFO L242 CegarLoopResult]: At program point L838(lines 791 839) the Hoare annotation is: false [2019-12-07 14:23:07,018 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-12-07 14:23:07,018 INFO L246 CegarLoopResult]: For program point L822(lines 822 833) no Hoare annotation was computed. [2019-12-07 14:23:07,018 INFO L249 CegarLoopResult]: At program point L625(lines 606 628) the Hoare annotation is: true [2019-12-07 14:23:07,018 INFO L242 CegarLoopResult]: At program point L741(lines 736 744) 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 14:23:07,018 INFO L242 CegarLoopResult]: At program point L741-1(lines 736 744) the Hoare annotation is: false [2019-12-07 14:23:07,018 INFO L246 CegarLoopResult]: For program point L675(lines 675 683) no Hoare annotation was computed. [2019-12-07 14:23:07,018 INFO L242 CegarLoopResult]: At program point L741-2(lines 736 744) the Hoare annotation is: false [2019-12-07 14:23:07,018 INFO L246 CegarLoopResult]: For program point L675-1(lines 675 683) no Hoare annotation was computed. [2019-12-07 14:23:07,018 INFO L246 CegarLoopResult]: For program point L675-2(lines 675 683) no Hoare annotation was computed. [2019-12-07 14:23:07,019 INFO L246 CegarLoopResult]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-12-07 14:23:07,019 INFO L246 CegarLoopResult]: For program point L510(lines 510 523) no Hoare annotation was computed. [2019-12-07 14:23:07,019 INFO L242 CegarLoopResult]: At program point L510-1(lines 1 880) 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 14:23:07,019 INFO L246 CegarLoopResult]: For program point L510-2(lines 510 523) no Hoare annotation was computed. [2019-12-07 14:23:07,019 INFO L242 CegarLoopResult]: At program point L510-3(lines 1 880) the Hoare annotation is: false [2019-12-07 14:23:07,019 INFO L246 CegarLoopResult]: For program point L510-4(lines 510 523) no Hoare annotation was computed. [2019-12-07 14:23:07,019 INFO L242 CegarLoopResult]: At program point L510-5(lines 1 880) the Hoare annotation is: false [2019-12-07 14:23:07,019 INFO L246 CegarLoopResult]: For program point L544(lines 544 548) no Hoare annotation was computed. [2019-12-07 14:23:07,019 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:23:07,019 INFO L246 CegarLoopResult]: For program point L544-1(lines 639 645) no Hoare annotation was computed. [2019-12-07 14:23:07,019 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2019-12-07 14:23:07,020 INFO L246 CegarLoopResult]: For program point L793(lines 792 837) no Hoare annotation was computed. [2019-12-07 14:23:07,020 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-12-07 14:23:07,020 INFO L246 CegarLoopResult]: For program point L496-1(line 496) no Hoare annotation was computed. [2019-12-07 14:23:07,020 INFO L246 CegarLoopResult]: For program point L496-2(line 496) no Hoare annotation was computed. [2019-12-07 14:23:07,020 INFO L246 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2019-12-07 14:23:07,020 INFO L242 CegarLoopResult]: At program point L877(lines 872 880) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 14:23:07,020 INFO L242 CegarLoopResult]: At program point L646(lines 646 652) 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 14:23:07,020 INFO L242 CegarLoopResult]: At program point L646-1(lines 646 652) the Hoare annotation is: false [2019-12-07 14:23:07,021 INFO L242 CegarLoopResult]: At program point L646-2(lines 646 652) the Hoare annotation is: false [2019-12-07 14:23:07,021 INFO L246 CegarLoopResult]: For program point L514(lines 514 520) no Hoare annotation was computed. [2019-12-07 14:23:07,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:23:07 BoogieIcfgContainer [2019-12-07 14:23:07,036 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:23:07,037 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:23:07,037 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:23:07,037 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:23:07,038 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:23:03" (3/4) ... [2019-12-07 14:23:07,041 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:23:07,052 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 14:23:07,053 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 14:23:07,053 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 14:23:07,054 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 14:23:07,054 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 14:23:07,054 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:23:07,055 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:23:07,075 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 14:23:07,110 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ac237515-1969-4add-a314-a3121aebc634/bin/utaipan/witness.graphml [2019-12-07 14:23:07,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:23:07,112 INFO L168 Benchmark]: Toolchain (without parser) took 4839.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.0 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -124.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:23:07,112 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:23:07,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -154.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:23:07,113 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.48 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:23:07,113 INFO L168 Benchmark]: Boogie Preprocessor took 27.42 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 14:23:07,113 INFO L168 Benchmark]: RCFGBuilder took 487.36 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: 61.5 MB). Peak memory consumption was 61.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:23:07,113 INFO L168 Benchmark]: TraceAbstraction took 3846.97 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -50.6 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:23:07,113 INFO L168 Benchmark]: Witness Printer took 73.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:23:07,115 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -154.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.48 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.42 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 487.36 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: 61.5 MB). Peak memory consumption was 61.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3846.97 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -50.6 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Witness Printer took 73.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Result: SAFE, OverallTime: 3.5s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 378 SDtfs, 510 SDslu, 430 SDs, 0 SdLazy, 99 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=5, 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, 7 MinimizatonAttempts, 103 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 72 NumberOfFragments, 149 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1698 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 298 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 26253 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1498 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 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...