./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6bc56b3d4460bea28e0863848945154ca9602d93 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6bc56b3d4460bea28e0863848945154ca9602d93 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:00:51,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:00:51,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:00:51,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:00:51,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:00:51,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:00:51,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:00:51,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:00:51,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:00:51,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:00:51,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:00:51,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:00:51,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:00:51,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:00:51,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:00:51,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:00:51,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:00:51,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:00:51,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:00:51,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:00:51,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:00:51,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:00:51,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:00:51,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:00:51,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:00:51,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:00:51,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:00:51,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:00:51,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:00:51,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:00:51,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:00:51,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:00:51,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:00:51,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:00:51,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:00:51,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:00:51,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:00:51,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:00:51,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:00:51,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:00:51,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:00:51,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:00:51,773 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:00:51,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:00:51,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:00:51,774 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:00:51,774 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:00:51,774 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:00:51,775 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:00:51,775 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:00:51,775 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:00:51,775 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:00:51,775 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:00:51,775 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:00:51,776 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:00:51,776 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:00:51,776 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:00:51,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:00:51,777 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:00:51,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:00:51,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:00:51,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:00:51,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:00:51,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:00:51,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:00:51,778 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:00:51,778 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:00:51,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:00:51,779 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:00:51,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:00:51,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:00:51,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:00:51,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:00:51,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:00:51,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:00:51,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:00:51,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:00:51,780 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:00:51,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:00:51,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:00:51,781 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:00:51,781 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:00:51,781 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bc56b3d4460bea28e0863848945154ca9602d93 [2020-11-22 13:00:52,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:00:52,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:00:52,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:00:52,050 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:00:52,051 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:00:52,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2020-11-22 13:00:52,121 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/data/bd5d62929/fec5aa4602064e8fa15147cf73503bb5/FLAGeb208a9ee [2020-11-22 13:00:52,594 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:00:52,595 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2020-11-22 13:00:52,612 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/data/bd5d62929/fec5aa4602064e8fa15147cf73503bb5/FLAGeb208a9ee [2020-11-22 13:00:52,945 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/data/bd5d62929/fec5aa4602064e8fa15147cf73503bb5 [2020-11-22 13:00:52,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:00:52,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:00:52,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:00:52,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:00:52,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:00:52,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:00:52" (1/1) ... [2020-11-22 13:00:52,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cba722d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:52, skipping insertion in model container [2020-11-22 13:00:52,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:00:52" (1/1) ... [2020-11-22 13:00:52,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:00:53,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:00:53,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:00:53,369 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) [2020-11-22 13:00:53,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a9235dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:53, skipping insertion in model container [2020-11-22 13:00:53,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:00:53,370 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:00:53,372 INFO L168 Benchmark]: Toolchain (without parser) took 422.53 ms. Allocated memory is still 98.6 MB. Free memory was 60.0 MB in the beginning and 71.4 MB in the end (delta: -11.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:53,373 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 98.6 MB. Free memory is still 77.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:00:53,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.71 ms. Allocated memory is still 98.6 MB. Free memory was 59.8 MB in the beginning and 71.4 MB in the end (delta: -11.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:53,375 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 98.6 MB. Free memory is still 77.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 416.71 ms. Allocated memory is still 98.6 MB. Free memory was 59.8 MB in the beginning and 71.4 MB in the end (delta: -11.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 218]: 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 0.2.0-a4ecdab [2020-11-22 13:00:55,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:00:55,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:00:55,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:00:55,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:00:55,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:00:55,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:00:55,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:00:55,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:00:55,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:00:55,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:00:55,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:00:55,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:00:55,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:00:55,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:00:55,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:00:55,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:00:55,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:00:55,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:00:55,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:00:55,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:00:55,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:00:55,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:00:55,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:00:55,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:00:55,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:00:55,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:00:55,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:00:55,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:00:55,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:00:55,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:00:55,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:00:55,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:00:55,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:00:55,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:00:55,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:00:55,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:00:55,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:00:55,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:00:55,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:00:55,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:00:55,612 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:00:55,636 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:00:55,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:00:55,637 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:00:55,637 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:00:55,637 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:00:55,638 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:00:55,638 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:00:55,638 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:00:55,638 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:00:55,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:00:55,639 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:00:55,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:00:55,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:00:55,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:00:55,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:00:55,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:00:55,641 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:00:55,641 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:00:55,641 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:00:55,641 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:00:55,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:00:55,641 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:00:55,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:00:55,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:00:55,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:00:55,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:00:55,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:00:55,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:00:55,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:00:55,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:00:55,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:00:55,643 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:00:55,644 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:00:55,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:00:55,644 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:00:55,644 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:00:55,644 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bc56b3d4460bea28e0863848945154ca9602d93 [2020-11-22 13:00:55,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:00:56,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:00:56,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:00:56,019 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:00:56,020 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:00:56,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2020-11-22 13:00:56,108 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/data/32db5470d/b6a658852d7844859c74011ec4348ac9/FLAG9dfcdf445 [2020-11-22 13:00:56,735 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:00:56,739 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2020-11-22 13:00:56,755 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/data/32db5470d/b6a658852d7844859c74011ec4348ac9/FLAG9dfcdf445 [2020-11-22 13:00:57,011 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/data/32db5470d/b6a658852d7844859c74011ec4348ac9 [2020-11-22 13:00:57,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:00:57,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:00:57,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:00:57,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:00:57,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:00:57,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:00:57" (1/1) ... [2020-11-22 13:00:57,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74180c61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:57, skipping insertion in model container [2020-11-22 13:00:57,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:00:57" (1/1) ... [2020-11-22 13:00:57,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:00:57,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:00:57,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:00:57,389 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:00:57,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:00:57,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:00:57,524 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:00:57,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:00:57,674 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:00:57,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:57 WrapperNode [2020-11-22 13:00:57,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:00:57,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:00:57,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:00:57,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:00:57,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:57" (1/1) ... [2020-11-22 13:00:57,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:57" (1/1) ... [2020-11-22 13:00:57,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:00:57,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:00:57,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:00:57,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:00:57,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:57" (1/1) ... [2020-11-22 13:00:57,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:57" (1/1) ... [2020-11-22 13:00:57,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:57" (1/1) ... [2020-11-22 13:00:57,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:57" (1/1) ... [2020-11-22 13:00:57,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:57" (1/1) ... [2020-11-22 13:00:57,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:57" (1/1) ... [2020-11-22 13:00:57,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:57" (1/1) ... [2020-11-22 13:00:57,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:00:57,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:00:57,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:00:57,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:00:57,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/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 [2020-11-22 13:00:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:00:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:00:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:00:57,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:01:00,163 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:01:00,170 INFO L298 CfgBuilder]: Removed 112 assume(true) statements. [2020-11-22 13:01:00,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:00 BoogieIcfgContainer [2020-11-22 13:01:00,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:01:00,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:01:00,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:01:00,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:01:00,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:00:57" (1/3) ... [2020-11-22 13:01:00,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6798461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:01:00, skipping insertion in model container [2020-11-22 13:01:00,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:57" (2/3) ... [2020-11-22 13:01:00,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6798461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:01:00, skipping insertion in model container [2020-11-22 13:01:00,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:00" (3/3) ... [2020-11-22 13:01:00,184 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product07.cil.c [2020-11-22 13:01:00,194 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:01:00,198 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:01:00,207 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:01:00,229 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:01:00,229 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:01:00,229 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:01:00,230 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:01:00,230 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:01:00,230 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:01:00,230 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:01:00,230 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:01:00,243 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-11-22 13:01:00,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 13:01:00,249 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:00,250 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:01:00,250 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:00,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:00,255 INFO L82 PathProgramCache]: Analyzing trace with hash 785714734, now seen corresponding path program 1 times [2020-11-22 13:01:00,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:01:00,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1343254988] [2020-11-22 13:01:00,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/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 [2020-11-22 13:01:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:00,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:01:00,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:01:00,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:00,492 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:01:00,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:00,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1343254988] [2020-11-22 13:01:00,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:00,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:01:00,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659176718] [2020-11-22 13:01:00,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:01:00,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:01:00,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:01:00,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:01:00,518 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2020-11-22 13:01:00,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:00,544 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-11-22 13:01:00,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:01:00,545 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 13:01:00,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:00,555 INFO L225 Difference]: With dead ends: 151 [2020-11-22 13:01:00,555 INFO L226 Difference]: Without dead ends: 73 [2020-11-22 13:01:00,558 INFO L677 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 [2020-11-22 13:01:00,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-22 13:01:00,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-22 13:01:00,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-22 13:01:00,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-11-22 13:01:00,597 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18 [2020-11-22 13:01:00,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:00,598 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-11-22 13:01:00,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:01:00,598 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-11-22 13:01:00,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 13:01:00,600 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:00,601 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:01:00,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:01:00,810 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:00,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:00,811 INFO L82 PathProgramCache]: Analyzing trace with hash -125316019, now seen corresponding path program 1 times [2020-11-22 13:01:00,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:01:00,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1838524879] [2020-11-22 13:01:00,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/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 [2020-11-22 13:01:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:00,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:01:00,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:01:01,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:01,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:01:01,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:01,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1838524879] [2020-11-22 13:01:01,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:01,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:01:01,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276283085] [2020-11-22 13:01:01,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:01:01,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:01:01,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:01:01,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:01:01,045 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 4 states. [2020-11-22 13:01:01,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:01,057 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-11-22 13:01:01,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:01:01,058 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 13:01:01,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:01,059 INFO L225 Difference]: With dead ends: 73 [2020-11-22 13:01:01,059 INFO L226 Difference]: Without dead ends: 35 [2020-11-22 13:01:01,060 INFO L677 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 [2020-11-22 13:01:01,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-22 13:01:01,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-22 13:01:01,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-22 13:01:01,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-22 13:01:01,065 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-11-22 13:01:01,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:01,066 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-22 13:01:01,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:01:01,066 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-22 13:01:01,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:01:01,067 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:01,067 INFO L422 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] [2020-11-22 13:01:01,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:01:01,268 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:01,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:01,269 INFO L82 PathProgramCache]: Analyzing trace with hash -227571320, now seen corresponding path program 1 times [2020-11-22 13:01:01,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:01:01,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924082807] [2020-11-22 13:01:01,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/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 [2020-11-22 13:01:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:01,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:01:01,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:01:01,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:01,483 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:01:01,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:01,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924082807] [2020-11-22 13:01:01,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:01,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 13:01:01,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861584282] [2020-11-22 13:01:01,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:01:01,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:01:01,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:01:01,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:01:01,495 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2020-11-22 13:01:01,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:01,518 INFO L93 Difference]: Finished difference Result 118 states and 172 transitions. [2020-11-22 13:01:01,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:01:01,519 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 13:01:01,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:01,520 INFO L225 Difference]: With dead ends: 118 [2020-11-22 13:01:01,520 INFO L226 Difference]: Without dead ends: 89 [2020-11-22 13:01:01,521 INFO L677 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 [2020-11-22 13:01:01,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-11-22 13:01:01,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 56. [2020-11-22 13:01:01,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-11-22 13:01:01,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2020-11-22 13:01:01,533 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 24 [2020-11-22 13:01:01,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:01,533 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2020-11-22 13:01:01,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:01:01,533 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2020-11-22 13:01:01,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 13:01:01,534 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:01,534 INFO L422 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] [2020-11-22 13:01:01,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:01:01,735 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:01,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:01,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1937535180, now seen corresponding path program 1 times [2020-11-22 13:01:01,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:01:01,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [415622259] [2020-11-22 13:01:01,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/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 [2020-11-22 13:01:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:01,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:01:01,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:01:01,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:02,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:01:02,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:02,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [415622259] [2020-11-22 13:01:02,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:02,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 13:01:02,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713666953] [2020-11-22 13:01:02,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:01:02,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:01:02,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:01:02,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:01:02,054 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 8 states. [2020-11-22 13:01:02,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:02,460 INFO L93 Difference]: Finished difference Result 570 states and 876 transitions. [2020-11-22 13:01:02,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-22 13:01:02,460 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-11-22 13:01:02,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:02,469 INFO L225 Difference]: With dead ends: 570 [2020-11-22 13:01:02,469 INFO L226 Difference]: Without dead ends: 520 [2020-11-22 13:01:02,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2020-11-22 13:01:02,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-11-22 13:01:02,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 142. [2020-11-22 13:01:02,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-11-22 13:01:02,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 205 transitions. [2020-11-22 13:01:02,524 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 205 transitions. Word has length 25 [2020-11-22 13:01:02,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:02,524 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 205 transitions. [2020-11-22 13:01:02,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:01:02,525 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 205 transitions. [2020-11-22 13:01:02,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 13:01:02,527 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:02,527 INFO L422 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] [2020-11-22 13:01:02,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:01:02,746 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:02,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:02,747 INFO L82 PathProgramCache]: Analyzing trace with hash -21773810, now seen corresponding path program 1 times [2020-11-22 13:01:02,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:01:02,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [495908096] [2020-11-22 13:01:02,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/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 [2020-11-22 13:01:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:01:03,995 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:01:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:01:05,003 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:01:05,169 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-22 13:01:05,169 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 13:01:05,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:01:05,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:01:05 BoogieIcfgContainer [2020-11-22 13:01:05,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:01:05,530 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:01:05,530 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:01:05,530 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:01:05,531 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:00" (3/4) ... [2020-11-22 13:01:05,533 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-22 13:01:05,625 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_18d0d7ca-c6ee-40cc-88c4-5607d30dffb8/bin/utaipan/witness.graphml [2020-11-22 13:01:05,625 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:01:05,627 INFO L168 Benchmark]: Toolchain (without parser) took 8611.12 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 32.2 MB in the beginning and 37.9 MB in the end (delta: -5.7 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:05,627 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 54.5 MB. Free memory was 36.5 MB in the beginning and 36.5 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:01:05,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.78 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 32.0 MB in the beginning and 48.6 MB in the end (delta: -16.7 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:05,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.23 ms. Allocated memory is still 67.1 MB. Free memory was 48.6 MB in the beginning and 45.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:05,629 INFO L168 Benchmark]: Boogie Preprocessor took 62.41 ms. Allocated memory is still 67.1 MB. Free memory was 45.7 MB in the beginning and 43.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:05,630 INFO L168 Benchmark]: RCFGBuilder took 2370.63 ms. Allocated memory is still 67.1 MB. Free memory was 43.6 MB in the beginning and 41.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:05,630 INFO L168 Benchmark]: TraceAbstraction took 5354.92 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 41.3 MB in the beginning and 49.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:05,631 INFO L168 Benchmark]: Witness Printer took 94.92 ms. Allocated memory is still 81.8 MB. Free memory was 49.0 MB in the beginning and 37.9 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:05,633 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 54.5 MB. Free memory was 36.5 MB in the beginning and 36.5 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 658.78 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 32.0 MB in the beginning and 48.6 MB in the end (delta: -16.7 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.23 ms. Allocated memory is still 67.1 MB. Free memory was 48.6 MB in the beginning and 45.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.41 ms. Allocated memory is still 67.1 MB. Free memory was 45.7 MB in the beginning and 43.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2370.63 ms. Allocated memory is still 67.1 MB. Free memory was 43.6 MB in the beginning and 41.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5354.92 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 41.3 MB in the beginning and 49.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. * Witness Printer took 94.92 ms. Allocated memory is still 81.8 MB. Free memory was 49.0 MB in the beginning and 37.9 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L89] int cleanupTimeShifts = 4; [L359] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L813] int waterLevel = 1; [L814] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] int retValue_acc ; [L168] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L80] int retValue_acc ; [L83] retValue_acc = 1 [L84] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L174] tmp = valid_product() [L176] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L747] int splverifierCounter ; [L748] int tmp ; [L749] int tmp___0 ; [L750] int tmp___1 ; [L751] int tmp___2 ; [L754] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L756] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L758] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L764] tmp = __VERIFIER_nondet_int() [L766] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L831] COND TRUE waterLevel < 2 [L832] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L774] tmp___0 = __VERIFIER_nondet_int() [L776] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L784] tmp___2 = __VERIFIER_nondet_int() [L786] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L605] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L612] COND TRUE \read(systemActive) [L634] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L637] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L560] int tmp ; [L561] int tmp___0 ; [L562] int tmp___1 ; [L852] int retValue_acc ; [L855] retValue_acc = methaneLevelCritical [L856] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L566] tmp = isMethaneLevelCritical() [L568] COND FALSE !(\read(tmp)) [L884] int retValue_acc ; [L887] retValue_acc = waterLevel [L888] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L572] tmp___0 = getWaterLevel() [L574] COND TRUE tmp___0 == 2 [L686] int retValue_acc ; [L689] retValue_acc = pumpRunning [L690] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L576] tmp___1 = isPumpRunning() [L578] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product07.cil.c", 3, "reach_error") VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 282 SDtfs, 628 SDslu, 635 SDs, 0 SdLazy, 104 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=142occurred 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, 4 MinimizatonAttempts, 411 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 10339 SizeOfPredicates, 6 NumberOfNonLiveVariables, 790 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...