./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.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_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/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 d073e73520d645b8f7658ef35479d738282f57bd ...................................................................................................................................... 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_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/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 d073e73520d645b8f7658ef35479d738282f57bd .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:13:11,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:13:11,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:13:11,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:13:11,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:13:11,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:13:11,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:13:11,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:13:11,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:13:11,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:13:11,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:13:11,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:13:11,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:13:11,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:13:11,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:13:11,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:13:11,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:13:11,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:13:11,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:13:11,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:13:11,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:13:11,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:13:11,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:13:11,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:13:11,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:13:11,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:13:11,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:13:11,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:13:11,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:13:11,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:13:11,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:13:11,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:13:11,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:13:11,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:13:11,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:13:11,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:13:11,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:13:11,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:13:11,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:13:11,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:13:11,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:13:11,578 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 10:13:11,591 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:13:11,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:13:11,591 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:13:11,591 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:13:11,592 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:13:11,592 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:13:11,592 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 10:13:11,592 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:13:11,592 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:13:11,592 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 10:13:11,592 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 10:13:11,592 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:13:11,593 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 10:13:11,593 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 10:13:11,593 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 10:13:11,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:13:11,593 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:13:11,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:13:11,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:13:11,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:13:11,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:13:11,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:13:11,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:13:11,594 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:13:11,594 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:13:11,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:13:11,595 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:13:11,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:13:11,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:13:11,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:13:11,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:13:11,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:13:11,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:13:11,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:13:11,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:13:11,596 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 10:13:11,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:13:11,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:13:11,596 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:13:11,596 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:13:11,596 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_63edf3ff-25f9-4897-b07e-ea6301646616/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 -> d073e73520d645b8f7658ef35479d738282f57bd [2019-12-07 10:13:11,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:13:11,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:13:11,705 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:13:11,706 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:13:11,707 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:13:11,707 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2019-12-07 10:13:11,749 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/data/508a55c46/949bfd7fd8a94528895e8e9d5cf58a15/FLAG44521f0ce [2019-12-07 10:13:12,192 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:13:12,192 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2019-12-07 10:13:12,200 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/data/508a55c46/949bfd7fd8a94528895e8e9d5cf58a15/FLAG44521f0ce [2019-12-07 10:13:12,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/data/508a55c46/949bfd7fd8a94528895e8e9d5cf58a15 [2019-12-07 10:13:12,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:13:12,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:13:12,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:13:12,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:13:12,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:13:12,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:13:12" (1/1) ... [2019-12-07 10:13:12,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c28c768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:12, skipping insertion in model container [2019-12-07 10:13:12,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:13:12" (1/1) ... [2019-12-07 10:13:12,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:13:12,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:13:12,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:13:12,485 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 10:13:12,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b5084d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:12, skipping insertion in model container [2019-12-07 10:13:12,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:13:12,486 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 10:13:12,488 INFO L168 Benchmark]: Toolchain (without parser) took 275.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -164.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:12,488 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:13:12,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -164.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:12,491 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 273.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -164.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 106]: 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 10:13:13,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:13:13,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:13:13,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:13:13,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:13:13,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:13:13,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:13:13,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:13:13,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:13:13,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:13:13,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:13:13,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:13:13,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:13:13,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:13:13,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:13:13,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:13:13,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:13:13,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:13:13,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:13:13,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:13:13,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:13:13,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:13:13,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:13:13,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:13:13,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:13:13,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:13:13,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:13:13,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:13:13,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:13:13,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:13:13,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:13:13,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:13:13,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:13:13,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:13:13,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:13:13,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:13:13,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:13:13,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:13:13,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:13:13,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:13:13,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:13:13,663 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 10:13:13,673 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:13:13,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:13:13,674 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:13:13,674 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:13:13,674 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:13:13,675 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:13:13,675 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:13:13,675 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:13:13,675 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:13:13,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:13:13,676 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:13:13,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:13:13,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:13:13,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:13:13,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:13:13,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:13:13,676 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:13:13,676 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:13:13,677 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:13:13,677 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:13:13,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:13:13,677 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:13:13,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:13:13,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:13:13,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:13:13,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:13:13,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:13:13,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:13:13,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:13:13,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:13:13,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:13:13,678 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 10:13:13,678 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:13:13,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:13:13,679 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:13:13,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:13:13,679 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_63edf3ff-25f9-4897-b07e-ea6301646616/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 -> d073e73520d645b8f7658ef35479d738282f57bd [2019-12-07 10:13:13,841 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:13:13,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:13:13,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:13:13,852 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:13:13,852 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:13:13,852 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2019-12-07 10:13:13,891 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/data/b66f9b519/af278aefca6a4b90b9d791ea0297c30d/FLAG1782476f5 [2019-12-07 10:13:14,279 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:13:14,280 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2019-12-07 10:13:14,287 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/data/b66f9b519/af278aefca6a4b90b9d791ea0297c30d/FLAG1782476f5 [2019-12-07 10:13:14,660 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/data/b66f9b519/af278aefca6a4b90b9d791ea0297c30d [2019-12-07 10:13:14,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:13:14,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:13:14,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:13:14,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:13:14,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:13:14,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:13:14" (1/1) ... [2019-12-07 10:13:14,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8ffd2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:14, skipping insertion in model container [2019-12-07 10:13:14,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:13:14" (1/1) ... [2019-12-07 10:13:14,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:13:14,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:13:14,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:13:14,934 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 10:13:14,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:13:14,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:13:14,987 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:13:15,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:13:15,049 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:13:15,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:15 WrapperNode [2019-12-07 10:13:15,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:13:15,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:13:15,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:13:15,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:13:15,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:15" (1/1) ... [2019-12-07 10:13:15,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:15" (1/1) ... [2019-12-07 10:13:15,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:13:15,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:13:15,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:13:15,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:13:15,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:15" (1/1) ... [2019-12-07 10:13:15,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:15" (1/1) ... [2019-12-07 10:13:15,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:15" (1/1) ... [2019-12-07 10:13:15,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:15" (1/1) ... [2019-12-07 10:13:15,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:15" (1/1) ... [2019-12-07 10:13:15,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:15" (1/1) ... [2019-12-07 10:13:15,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:15" (1/1) ... [2019-12-07 10:13:15,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:13:15,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:13:15,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:13:15,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:13:15,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/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 10:13:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:13:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 10:13:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:13:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:13:15,615 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:13:15,615 INFO L287 CfgBuilder]: Removed 104 assume(true) statements. [2019-12-07 10:13:15,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:13:15 BoogieIcfgContainer [2019-12-07 10:13:15,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:13:15,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:13:15,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:13:15,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:13:15,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:13:14" (1/3) ... [2019-12-07 10:13:15,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fee98f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:13:15, skipping insertion in model container [2019-12-07 10:13:15,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:13:15" (2/3) ... [2019-12-07 10:13:15,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fee98f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:13:15, skipping insertion in model container [2019-12-07 10:13:15,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:13:15" (3/3) ... [2019-12-07 10:13:15,621 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2019-12-07 10:13:15,628 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:13:15,634 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 10:13:15,642 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 10:13:15,659 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:13:15,659 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:13:15,659 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:13:15,659 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:13:15,659 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:13:15,660 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:13:15,660 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:13:15,660 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:13:15,671 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-12-07 10:13:15,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 10:13:15,675 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:13:15,676 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:13:15,676 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:13:15,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:13:15,680 INFO L82 PathProgramCache]: Analyzing trace with hash 312412164, now seen corresponding path program 1 times [2019-12-07 10:13:15,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:13:15,689 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491322295] [2019-12-07 10:13:15,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/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 10:13:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:13:15,831 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 10:13:15,835 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:13:15,846 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 10:13:15,846 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:13:15,850 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 10:13:15,850 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491322295] [2019-12-07 10:13:15,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:13:15,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:13:15,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584772679] [2019-12-07 10:13:15,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:13:15,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:13:15,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:13:15,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:13:15,865 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-12-07 10:13:15,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:13:15,883 INFO L93 Difference]: Finished difference Result 143 states and 216 transitions. [2019-12-07 10:13:15,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:13:15,884 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 10:13:15,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:13:15,892 INFO L225 Difference]: With dead ends: 143 [2019-12-07 10:13:15,892 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 10:13:15,894 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:13:15,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 10:13:15,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-07 10:13:15,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 10:13:15,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2019-12-07 10:13:15,922 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2019-12-07 10:13:15,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:13:15,922 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2019-12-07 10:13:15,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:13:15,922 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2019-12-07 10:13:15,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 10:13:15,923 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:13:15,923 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:13:16,124 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:13:16,125 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:13:16,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:13:16,126 INFO L82 PathProgramCache]: Analyzing trace with hash 93576195, now seen corresponding path program 1 times [2019-12-07 10:13:16,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:13:16,129 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1452264548] [2019-12-07 10:13:16,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/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 10:13:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:13:16,364 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:13:16,366 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:13:16,379 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 10:13:16,379 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:13:16,389 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 10:13:16,389 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1452264548] [2019-12-07 10:13:16,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:13:16,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:13:16,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061604863] [2019-12-07 10:13:16,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:13:16,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:13:16,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:13:16,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:13:16,392 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 4 states. [2019-12-07 10:13:16,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:13:16,405 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2019-12-07 10:13:16,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:13:16,406 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 10:13:16,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:13:16,407 INFO L225 Difference]: With dead ends: 71 [2019-12-07 10:13:16,407 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 10:13:16,408 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:13:16,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 10:13:16,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 10:13:16,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 10:13:16,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-12-07 10:13:16,413 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-12-07 10:13:16,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:13:16,414 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-12-07 10:13:16,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:13:16,414 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-12-07 10:13:16,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 10:13:16,415 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:13:16,415 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 10:13:16,616 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 10:13:16,617 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:13:16,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:13:16,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1221563328, now seen corresponding path program 1 times [2019-12-07 10:13:16,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:13:16,620 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1638183415] [2019-12-07 10:13:16,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/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 10:13:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:13:16,831 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:13:16,832 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:13:16,840 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 10:13:16,841 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:13:16,847 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 10:13:16,847 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1638183415] [2019-12-07 10:13:16,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:13:16,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:13:16,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471628615] [2019-12-07 10:13:16,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:13:16,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:13:16,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:13:16,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:13:16,849 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2019-12-07 10:13:16,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:13:16,893 INFO L93 Difference]: Finished difference Result 115 states and 169 transitions. [2019-12-07 10:13:16,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:13:16,893 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 10:13:16,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:13:16,895 INFO L225 Difference]: With dead ends: 115 [2019-12-07 10:13:16,895 INFO L226 Difference]: Without dead ends: 87 [2019-12-07 10:13:16,896 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:13:16,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-12-07 10:13:16,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 55. [2019-12-07 10:13:16,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-12-07 10:13:16,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 80 transitions. [2019-12-07 10:13:16,907 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 80 transitions. Word has length 24 [2019-12-07 10:13:16,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:13:16,907 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 80 transitions. [2019-12-07 10:13:16,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:13:16,908 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2019-12-07 10:13:16,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 10:13:16,908 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:13:16,909 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] [2019-12-07 10:13:17,109 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 10:13:17,110 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:13:17,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:13:17,111 INFO L82 PathProgramCache]: Analyzing trace with hash -854554471, now seen corresponding path program 1 times [2019-12-07 10:13:17,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:13:17,114 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [479998304] [2019-12-07 10:13:17,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/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 10:13:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:13:17,269 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:13:17,270 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:13:17,289 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 10:13:17,289 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:13:17,295 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 10:13:17,295 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [479998304] [2019-12-07 10:13:17,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:13:17,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 10:13:17,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979858313] [2019-12-07 10:13:17,296 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:13:17,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:13:17,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:13:17,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:13:17,297 INFO L87 Difference]: Start difference. First operand 55 states and 80 transitions. Second operand 5 states. [2019-12-07 10:13:17,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:13:17,383 INFO L93 Difference]: Finished difference Result 242 states and 372 transitions. [2019-12-07 10:13:17,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 10:13:17,384 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 10:13:17,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:13:17,385 INFO L225 Difference]: With dead ends: 242 [2019-12-07 10:13:17,385 INFO L226 Difference]: Without dead ends: 194 [2019-12-07 10:13:17,386 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:13:17,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-12-07 10:13:17,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 95. [2019-12-07 10:13:17,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-12-07 10:13:17,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 138 transitions. [2019-12-07 10:13:17,398 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 138 transitions. Word has length 25 [2019-12-07 10:13:17,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:13:17,398 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 138 transitions. [2019-12-07 10:13:17,399 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:13:17,399 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2019-12-07 10:13:17,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 10:13:17,399 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:13:17,400 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:13:17,600 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 10:13:17,602 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:13:17,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:13:17,603 INFO L82 PathProgramCache]: Analyzing trace with hash -748784367, now seen corresponding path program 1 times [2019-12-07 10:13:17,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:13:17,605 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393467694] [2019-12-07 10:13:17,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/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 10:13:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:13:17,855 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:13:17,856 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:13:17,869 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 10:13:17,869 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:13:17,872 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 10:13:17,872 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393467694] [2019-12-07 10:13:17,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:13:17,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 10:13:17,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625803287] [2019-12-07 10:13:17,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:13:17,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:13:17,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:13:17,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:13:17,873 INFO L87 Difference]: Start difference. First operand 95 states and 138 transitions. Second operand 5 states. [2019-12-07 10:13:17,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:13:17,960 INFO L93 Difference]: Finished difference Result 285 states and 424 transitions. [2019-12-07 10:13:17,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:13:17,960 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 10:13:17,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:13:17,961 INFO L225 Difference]: With dead ends: 285 [2019-12-07 10:13:17,961 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 10:13:17,962 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 10:13:17,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 10:13:17,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 10:13:17,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 10:13:17,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:13:17,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-12-07 10:13:17,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:13:17,963 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:13:17,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:13:17,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:13:17,963 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:13:18,163 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 10:13:18,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 10:13:18,432 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-12-07 10:13:18,433 INFO L246 CegarLoopResult]: For program point L448-1(line 448) no Hoare annotation was computed. [2019-12-07 10:13:18,433 INFO L242 CegarLoopResult]: At program point L894(lines 889 896) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:13:18,433 INFO L246 CegarLoopResult]: For program point L448-2(line 448) no Hoare annotation was computed. [2019-12-07 10:13:18,433 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2019-12-07 10:13:18,434 INFO L246 CegarLoopResult]: For program point L465(lines 465 469) no Hoare annotation was computed. [2019-12-07 10:13:18,434 INFO L246 CegarLoopResult]: For program point L465-3(lines 465 469) no Hoare annotation was computed. [2019-12-07 10:13:18,434 INFO L246 CegarLoopResult]: For program point L465-6(lines 465 469) no Hoare annotation was computed. [2019-12-07 10:13:18,434 INFO L242 CegarLoopResult]: At program point L746(lines 739 749) the Hoare annotation is: false [2019-12-07 10:13:18,434 INFO L242 CegarLoopResult]: At program point L746-1(lines 739 749) the Hoare annotation is: false [2019-12-07 10:13:18,434 INFO L242 CegarLoopResult]: At program point L746-2(lines 739 749) the Hoare annotation is: false [2019-12-07 10:13:18,434 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 10:13:18,435 INFO L242 CegarLoopResult]: At program point L879(lines 828 880) the Hoare annotation is: false [2019-12-07 10:13:18,435 INFO L246 CegarLoopResult]: For program point L830(lines 829 878) no Hoare annotation was computed. [2019-12-07 10:13:18,435 INFO L246 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2019-12-07 10:13:18,435 INFO L242 CegarLoopResult]: At program point L600(lines 596 602) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:13:18,435 INFO L242 CegarLoopResult]: At program point L551-2(lines 551 565) the Hoare annotation is: false [2019-12-07 10:13:18,435 INFO L246 CegarLoopResult]: For program point L799(lines 799 805) no Hoare annotation was computed. [2019-12-07 10:13:18,435 INFO L242 CegarLoopResult]: At program point L799-1(lines 799 805) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:13:18,436 INFO L242 CegarLoopResult]: At program point L502(lines 497 505) the Hoare annotation is: false [2019-12-07 10:13:18,436 INFO L242 CegarLoopResult]: At program point L502-1(lines 497 505) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:13:18,436 INFO L242 CegarLoopResult]: At program point L502-2(lines 497 505) the Hoare annotation is: false [2019-12-07 10:13:18,436 INFO L242 CegarLoopResult]: At program point L502-3(lines 497 505) the Hoare annotation is: false [2019-12-07 10:13:18,436 INFO L242 CegarLoopResult]: At program point L502-4(lines 497 505) the Hoare annotation is: false [2019-12-07 10:13:18,436 INFO L246 CegarLoopResult]: For program point L849(lines 849 855) no Hoare annotation was computed. [2019-12-07 10:13:18,436 INFO L242 CegarLoopResult]: At program point L502-5(lines 497 505) the Hoare annotation is: false [2019-12-07 10:13:18,437 INFO L242 CegarLoopResult]: At program point L849-1(lines 849 855) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:13:18,437 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:13:18,437 INFO L246 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2019-12-07 10:13:18,437 INFO L249 CegarLoopResult]: At program point L635(lines 616 638) the Hoare annotation is: true [2019-12-07 10:13:18,437 INFO L246 CegarLoopResult]: For program point L685(lines 685 702) no Hoare annotation was computed. [2019-12-07 10:13:18,437 INFO L246 CegarLoopResult]: For program point L685-1(lines 685 702) no Hoare annotation was computed. [2019-12-07 10:13:18,437 INFO L246 CegarLoopResult]: For program point L685-2(lines 685 702) no Hoare annotation was computed. [2019-12-07 10:13:18,437 INFO L246 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2019-12-07 10:13:18,438 INFO L242 CegarLoopResult]: At program point L867-1(lines 653 659) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:13:18,438 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 10:13:18,438 INFO L242 CegarLoopResult]: At program point L653(lines 652 671) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:13:18,438 INFO L246 CegarLoopResult]: For program point L653-1(lines 653 659) no Hoare annotation was computed. [2019-12-07 10:13:18,438 INFO L242 CegarLoopResult]: At program point L653-2(lines 652 671) the Hoare annotation is: false [2019-12-07 10:13:18,438 INFO L242 CegarLoopResult]: At program point L653-3(lines 652 671) the Hoare annotation is: false [2019-12-07 10:13:18,438 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2019-12-07 10:13:18,439 INFO L246 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2019-12-07 10:13:18,439 INFO L246 CegarLoopResult]: For program point L555-1(lines 653 659) no Hoare annotation was computed. [2019-12-07 10:13:18,439 INFO L246 CegarLoopResult]: For program point L489(lines 489 493) no Hoare annotation was computed. [2019-12-07 10:13:18,439 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 10:13:18,439 INFO L242 CegarLoopResult]: At program point L755(lines 750 758) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:13:18,439 INFO L242 CegarLoopResult]: At program point L755-1(lines 750 758) the Hoare annotation is: false [2019-12-07 10:13:18,439 INFO L246 CegarLoopResult]: For program point L689(lines 689 697) no Hoare annotation was computed. [2019-12-07 10:13:18,440 INFO L242 CegarLoopResult]: At program point L755-2(lines 750 758) the Hoare annotation is: false [2019-12-07 10:13:18,440 INFO L246 CegarLoopResult]: For program point L689-1(lines 689 697) no Hoare annotation was computed. [2019-12-07 10:13:18,440 INFO L246 CegarLoopResult]: For program point L689-2(lines 689 697) no Hoare annotation was computed. [2019-12-07 10:13:18,440 INFO L246 CegarLoopResult]: For program point L905(lines 905 922) no Hoare annotation was computed. [2019-12-07 10:13:18,440 INFO L242 CegarLoopResult]: At program point L905-1(lines 1 925) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:13:18,440 INFO L246 CegarLoopResult]: For program point L839(lines 839 845) no Hoare annotation was computed. [2019-12-07 10:13:18,440 INFO L246 CegarLoopResult]: For program point L905-2(lines 905 922) no Hoare annotation was computed. [2019-12-07 10:13:18,441 INFO L242 CegarLoopResult]: At program point L839-1(lines 839 845) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:13:18,441 INFO L242 CegarLoopResult]: At program point L905-3(lines 1 925) the Hoare annotation is: false [2019-12-07 10:13:18,441 INFO L246 CegarLoopResult]: For program point L905-4(lines 905 922) no Hoare annotation was computed. [2019-12-07 10:13:18,441 INFO L242 CegarLoopResult]: At program point L905-5(lines 1 925) the Hoare annotation is: false [2019-12-07 10:13:18,441 INFO L246 CegarLoopResult]: For program point L477(lines 477 481) no Hoare annotation was computed. [2019-12-07 10:13:18,441 INFO L246 CegarLoopResult]: For program point L626(lines 626 633) no Hoare annotation was computed. [2019-12-07 10:13:18,441 INFO L249 CegarLoopResult]: At program point L626-1(lines 626 633) the Hoare annotation is: true [2019-12-07 10:13:18,441 INFO L242 CegarLoopResult]: At program point L65(lines 1 925) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:13:18,442 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 10:13:18,442 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2019-12-07 10:13:18,442 INFO L242 CegarLoopResult]: At program point L660(lines 660 666) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:13:18,442 INFO L242 CegarLoopResult]: At program point L660-1(lines 660 666) the Hoare annotation is: false [2019-12-07 10:13:18,442 INFO L242 CegarLoopResult]: At program point L660-2(lines 660 666) the Hoare annotation is: false [2019-12-07 10:13:18,442 INFO L246 CegarLoopResult]: For program point L859(lines 859 874) no Hoare annotation was computed. [2019-12-07 10:13:18,442 INFO L246 CegarLoopResult]: For program point L909(lines 909 919) no Hoare annotation was computed. [2019-12-07 10:13:18,443 INFO L246 CegarLoopResult]: For program point L909-2(lines 909 919) no Hoare annotation was computed. [2019-12-07 10:13:18,443 INFO L246 CegarLoopResult]: For program point L909-4(lines 909 919) no Hoare annotation was computed. [2019-12-07 10:13:18,443 INFO L246 CegarLoopResult]: For program point L910(lines 910 916) no Hoare annotation was computed. [2019-12-07 10:13:18,443 INFO L246 CegarLoopResult]: For program point L910-2(lines 910 916) no Hoare annotation was computed. [2019-12-07 10:13:18,443 INFO L246 CegarLoopResult]: For program point L910-4(lines 910 916) no Hoare annotation was computed. [2019-12-07 10:13:18,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:13:18 BoogieIcfgContainer [2019-12-07 10:13:18,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:13:18,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:13:18,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:13:18,460 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:13:18,460 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:13:15" (3/4) ... [2019-12-07 10:13:18,463 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:13:18,477 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 10:13:18,478 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 10:13:18,478 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 10:13:18,479 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 10:13:18,480 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 10:13:18,480 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:13:18,481 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:13:18,508 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 10:13:18,558 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_63edf3ff-25f9-4897-b07e-ea6301646616/bin/utaipan/witness.graphml [2019-12-07 10:13:18,559 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:13:18,560 INFO L168 Benchmark]: Toolchain (without parser) took 3892.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.1 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -245.6 MB). Peak memory consumption was 286.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:18,561 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:13:18,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:18,561 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.22 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 10:13:18,561 INFO L168 Benchmark]: Boogie Preprocessor took 28.49 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:18,562 INFO L168 Benchmark]: RCFGBuilder took 496.48 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: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:18,562 INFO L168 Benchmark]: TraceAbstraction took 2842.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 811.0 MB in the end (delta: 219.0 MB). Peak memory consumption was 219.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:18,562 INFO L168 Benchmark]: Witness Printer took 99.29 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 811.0 MB in the beginning and 1.2 GB in the end (delta: -381.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:18,564 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 379.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.49 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 496.48 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: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2842.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 811.0 MB in the end (delta: 219.0 MB). Peak memory consumption was 219.0 MB. Max. memory is 11.5 GB. * Witness Printer took 99.29 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 811.0 MB in the beginning and 1.2 GB in the end (delta: -381.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 448]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 448]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 448]: 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: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 325 SDtfs, 358 SDslu, 397 SDs, 0 SdLazy, 68 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 131 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 134 HoareAnnotationTreeSize, 33 FomulaSimplifications, 4062 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 7772 SizeOfPredicates, 8 NumberOfNonLiveVariables, 921 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...