./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.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_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/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 ac889cd5e65bb2f47f07806422e2c45f6310f706 ............................................................................................................................................ 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_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/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 ac889cd5e65bb2f47f07806422e2c45f6310f706 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:06:21,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:06:21,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:06:21,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:06:21,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:06:21,481 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:06:21,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:06:21,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:06:21,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:06:21,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:06:21,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:06:21,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:06:21,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:06:21,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:06:21,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:06:21,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:06:21,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:06:21,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:06:21,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:06:21,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:06:21,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:06:21,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:06:21,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:06:21,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:06:21,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:06:21,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:06:21,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:06:21,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:06:21,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:06:21,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:06:21,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:06:21,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:06:21,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:06:21,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:06:21,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:06:21,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:06:21,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:06:21,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:06:21,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:06:21,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:06:21,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:06:21,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:06:21,583 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:06:21,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:06:21,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:06:21,585 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:06:21,585 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:06:21,586 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:06:21,586 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:06:21,586 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:06:21,587 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:06:21,587 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:06:21,587 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:06:21,587 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:06:21,588 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:06:21,588 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:06:21,588 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:06:21,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:06:21,589 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:06:21,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:06:21,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:06:21,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:06:21,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:06:21,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:06:21,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:06:21,591 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:06:21,591 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:06:21,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:06:21,591 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:06:21,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:06:21,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:06:21,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:06:21,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:06:21,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:06:21,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:06:21,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:06:21,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:06:21,594 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:06:21,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:06:21,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:06:21,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:06:21,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:06:21,595 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_a625739d-62f1-47aa-bad4-90a842537c18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac889cd5e65bb2f47f07806422e2c45f6310f706 [2020-11-22 13:06:21,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:06:21,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:06:21,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:06:21,932 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:06:21,933 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:06:21,934 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2020-11-22 13:06:22,015 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/data/116c649f4/78d28c3a47c8472a8da9175567eada0b/FLAGa5218949b [2020-11-22 13:06:22,560 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:06:22,560 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2020-11-22 13:06:22,574 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/data/116c649f4/78d28c3a47c8472a8da9175567eada0b/FLAGa5218949b [2020-11-22 13:06:22,842 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/data/116c649f4/78d28c3a47c8472a8da9175567eada0b [2020-11-22 13:06:22,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:06:22,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:06:22,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:22,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:06:22,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:06:22,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:22" (1/1) ... [2020-11-22 13:06:22,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65f03371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:22, skipping insertion in model container [2020-11-22 13:06:22,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:22" (1/1) ... [2020-11-22 13:06:22,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:06:22,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:06:23,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:06:23,304 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 13:06:23,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69e110bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:23, skipping insertion in model container [2020-11-22 13:06:23,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:23,307 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:06:23,311 INFO L168 Benchmark]: Toolchain (without parser) took 462.18 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 53.8 MB in the beginning and 76.0 MB in the end (delta: -22.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:23,313 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory was 56.6 MB in the beginning and 56.6 MB in the end (delta: 26.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:06:23,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.24 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 53.5 MB in the beginning and 76.0 MB in the end (delta: -22.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:23,319 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory was 56.6 MB in the beginning and 56.6 MB in the end (delta: 26.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 445.24 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 53.5 MB in the beginning and 76.0 MB in the end (delta: -22.5 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: 344]: 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 13:06:25,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:06:25,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:06:25,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:06:25,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:06:25,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:06:25,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:06:25,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:06:25,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:06:26,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:06:26,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:06:26,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:06:26,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:06:26,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:06:26,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:06:26,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:06:26,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:06:26,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:06:26,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:06:26,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:06:26,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:06:26,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:06:26,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:06:26,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:06:26,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:06:26,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:06:26,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:06:26,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:06:26,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:06:26,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:06:26,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:06:26,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:06:26,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:06:26,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:06:26,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:06:26,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:06:26,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:06:26,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:06:26,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:06:26,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:06:26,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:06:26,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:06:26,151 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:06:26,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:06:26,154 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:06:26,154 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:06:26,155 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:06:26,155 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:06:26,155 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:06:26,156 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:06:26,156 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:06:26,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:06:26,159 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:06:26,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:06:26,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:06:26,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:06:26,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:06:26,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:06:26,161 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:06:26,161 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:06:26,161 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:06:26,162 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:06:26,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:06:26,162 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:06:26,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:06:26,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:06:26,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:06:26,163 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:06:26,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:06:26,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:06:26,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:06:26,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:06:26,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:06:26,165 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:06:26,165 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:06:26,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:06:26,166 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:06:26,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:06:26,167 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_a625739d-62f1-47aa-bad4-90a842537c18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac889cd5e65bb2f47f07806422e2c45f6310f706 [2020-11-22 13:06:26,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:06:26,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:06:26,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:06:26,652 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:06:26,655 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:06:26,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2020-11-22 13:06:26,732 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/data/712df98f3/9d59ea34d0244c55b0bc9ca5483654b4/FLAG3033f109b [2020-11-22 13:06:27,448 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:06:27,449 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2020-11-22 13:06:27,464 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/data/712df98f3/9d59ea34d0244c55b0bc9ca5483654b4/FLAG3033f109b [2020-11-22 13:06:27,681 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/data/712df98f3/9d59ea34d0244c55b0bc9ca5483654b4 [2020-11-22 13:06:27,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:06:27,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:06:27,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:27,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:06:27,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:06:27,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:27" (1/1) ... [2020-11-22 13:06:27,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@671fbe0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:27, skipping insertion in model container [2020-11-22 13:06:27,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:27" (1/1) ... [2020-11-22 13:06:27,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:06:27,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:06:28,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:06:28,121 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:06:28,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:06:28,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:06:28,282 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:06:28,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:06:28,435 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:06:28,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:28 WrapperNode [2020-11-22 13:06:28,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:28,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:06:28,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:06:28,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:06:28,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:28" (1/1) ... [2020-11-22 13:06:28,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:28" (1/1) ... [2020-11-22 13:06:28,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:06:28,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:06:28,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:06:28,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:06:28,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:28" (1/1) ... [2020-11-22 13:06:28,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:28" (1/1) ... [2020-11-22 13:06:28,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:28" (1/1) ... [2020-11-22 13:06:28,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:28" (1/1) ... [2020-11-22 13:06:28,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:28" (1/1) ... [2020-11-22 13:06:28,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:28" (1/1) ... [2020-11-22 13:06:28,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:28" (1/1) ... [2020-11-22 13:06:28,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:06:28,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:06:28,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:06:28,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:06:28,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/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 13:06:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:06:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:06:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:06:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:06:31,581 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:06:31,581 INFO L298 CfgBuilder]: Removed 106 assume(true) statements. [2020-11-22 13:06:31,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:06:31 BoogieIcfgContainer [2020-11-22 13:06:31,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:06:31,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:06:31,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:06:31,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:06:31,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:06:27" (1/3) ... [2020-11-22 13:06:31,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2500e227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:06:31, skipping insertion in model container [2020-11-22 13:06:31,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:28" (2/3) ... [2020-11-22 13:06:31,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2500e227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:06:31, skipping insertion in model container [2020-11-22 13:06:31,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:06:31" (3/3) ... [2020-11-22 13:06:31,593 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product14.cil.c [2020-11-22 13:06:31,606 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:06:31,612 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:06:31,626 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:06:31,658 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:06:31,658 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:06:31,659 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:06:31,659 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:06:31,659 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:06:31,659 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:06:31,659 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:06:31,659 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:06:31,677 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2020-11-22 13:06:31,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 13:06:31,684 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:31,684 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 13:06:31,685 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:31,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:31,692 INFO L82 PathProgramCache]: Analyzing trace with hash 15872932, now seen corresponding path program 1 times [2020-11-22 13:06:31,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:31,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1007807945] [2020-11-22 13:06:31,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/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 13:06:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:32,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:06:32,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:32,070 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 13:06:32,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:32,082 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 13:06:32,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1007807945] [2020-11-22 13:06:32,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:32,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:06:32,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277936550] [2020-11-22 13:06:32,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:06:32,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:06:32,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:06:32,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:06:32,109 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 2 states. [2020-11-22 13:06:32,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:32,137 INFO L93 Difference]: Finished difference Result 142 states and 213 transitions. [2020-11-22 13:06:32,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:06:32,139 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 13:06:32,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:32,153 INFO L225 Difference]: With dead ends: 142 [2020-11-22 13:06:32,153 INFO L226 Difference]: Without dead ends: 69 [2020-11-22 13:06:32,156 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 13:06:32,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-11-22 13:06:32,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-11-22 13:06:32,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-11-22 13:06:32,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2020-11-22 13:06:32,214 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 18 [2020-11-22 13:06:32,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:32,214 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2020-11-22 13:06:32,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:06:32,214 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2020-11-22 13:06:32,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 13:06:32,215 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:32,216 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 13:06:32,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:06:32,422 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:32,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:32,423 INFO L82 PathProgramCache]: Analyzing trace with hash -202963037, now seen corresponding path program 1 times [2020-11-22 13:06:32,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:32,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [310378024] [2020-11-22 13:06:32,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/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 13:06:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:32,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:06:32,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:32,652 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 13:06:32,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:32,667 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 13:06:32,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [310378024] [2020-11-22 13:06:32,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:32,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:06:32,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944636311] [2020-11-22 13:06:32,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:06:32,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:06:32,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:06:32,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:06:32,672 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand 4 states. [2020-11-22 13:06:32,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:32,697 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2020-11-22 13:06:32,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:06:32,699 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 13:06:32,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:32,702 INFO L225 Difference]: With dead ends: 69 [2020-11-22 13:06:32,702 INFO L226 Difference]: Without dead ends: 33 [2020-11-22 13:06:32,704 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 13:06:32,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-22 13:06:32,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-22 13:06:32,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-22 13:06:32,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-11-22 13:06:32,717 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2020-11-22 13:06:32,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:32,719 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-11-22 13:06:32,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:06:32,720 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-11-22 13:06:32,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:06:32,723 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:32,723 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 13:06:32,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:06:32,937 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:32,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:32,938 INFO L82 PathProgramCache]: Analyzing trace with hash 2139510839, now seen corresponding path program 1 times [2020-11-22 13:06:32,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:32,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1015417101] [2020-11-22 13:06:32,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/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 13:06:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:33,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:06:33,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:33,157 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 13:06:33,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:33,167 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 13:06:33,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1015417101] [2020-11-22 13:06:33,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:33,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:06:33,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761508910] [2020-11-22 13:06:33,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:06:33,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:06:33,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:06:33,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:06:33,171 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2020-11-22 13:06:33,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:33,210 INFO L93 Difference]: Finished difference Result 59 states and 85 transitions. [2020-11-22 13:06:33,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:06:33,214 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 13:06:33,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:33,215 INFO L225 Difference]: With dead ends: 59 [2020-11-22 13:06:33,215 INFO L226 Difference]: Without dead ends: 33 [2020-11-22 13:06:33,215 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 13:06:33,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-22 13:06:33,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-22 13:06:33,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-22 13:06:33,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-11-22 13:06:33,221 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2020-11-22 13:06:33,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:33,221 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-11-22 13:06:33,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:06:33,222 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-11-22 13:06:33,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 13:06:33,223 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:33,223 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 13:06:33,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:06:33,424 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:33,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:33,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1832014585, now seen corresponding path program 1 times [2020-11-22 13:06:33,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:33,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1893851404] [2020-11-22 13:06:33,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/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 13:06:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:33,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:06:33,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:33,696 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 13:06:33,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:33,735 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 13:06:33,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1893851404] [2020-11-22 13:06:33,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:33,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:06:33,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34694362] [2020-11-22 13:06:33,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:06:33,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:06:33,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:06:33,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:06:33,738 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-11-22 13:06:33,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:33,943 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2020-11-22 13:06:33,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:06:33,944 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-22 13:06:33,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:33,945 INFO L225 Difference]: With dead ends: 135 [2020-11-22 13:06:33,945 INFO L226 Difference]: Without dead ends: 109 [2020-11-22 13:06:33,946 INFO L677 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 [2020-11-22 13:06:33,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-11-22 13:06:33,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 54. [2020-11-22 13:06:33,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-11-22 13:06:33,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2020-11-22 13:06:33,959 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 25 [2020-11-22 13:06:33,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:33,959 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2020-11-22 13:06:33,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:06:33,960 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2020-11-22 13:06:33,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 13:06:33,961 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:33,961 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 13:06:34,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:06:34,178 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:34,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:34,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1937784689, now seen corresponding path program 1 times [2020-11-22 13:06:34,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:34,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [457242662] [2020-11-22 13:06:34,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/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 13:06:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:34,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:06:34,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:34,432 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 13:06:34,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:34,440 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 13:06:34,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [457242662] [2020-11-22 13:06:34,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:34,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:06:34,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132026586] [2020-11-22 13:06:34,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:06:34,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:06:34,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:06:34,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:06:34,453 INFO L87 Difference]: Start difference. First operand 54 states and 75 transitions. Second operand 5 states. [2020-11-22 13:06:34,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:34,591 INFO L93 Difference]: Finished difference Result 146 states and 212 transitions. [2020-11-22 13:06:34,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:06:34,592 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-22 13:06:34,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:34,592 INFO L225 Difference]: With dead ends: 146 [2020-11-22 13:06:34,593 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:06:34,594 INFO L677 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 [2020-11-22 13:06:34,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:06:34,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:06:34,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:06:34,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:06:34,595 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-22 13:06:34,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:34,595 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:06:34,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:06:34,595 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:06:34,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:06:34,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:06:34,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:06:35,486 INFO L270 CegarLoopResult]: At program point L861(lines 856 864) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:06:35,486 INFO L270 CegarLoopResult]: At program point L861-1(lines 856 864) the Hoare annotation is: false [2020-11-22 13:06:35,487 INFO L270 CegarLoopResult]: At program point L283(lines 278 285) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:06:35,487 INFO L274 CegarLoopResult]: For program point L795(lines 795 803) no Hoare annotation was computed. [2020-11-22 13:06:35,487 INFO L270 CegarLoopResult]: At program point L861-2(lines 856 864) the Hoare annotation is: false [2020-11-22 13:06:35,487 INFO L274 CegarLoopResult]: For program point L795-1(lines 795 803) no Hoare annotation was computed. [2020-11-22 13:06:35,487 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:06:35,487 INFO L274 CegarLoopResult]: For program point L795-2(lines 795 803) no Hoare annotation was computed. [2020-11-22 13:06:35,488 INFO L274 CegarLoopResult]: For program point L713(lines 713 719) no Hoare annotation was computed. [2020-11-22 13:06:35,488 INFO L270 CegarLoopResult]: At program point L713-1(lines 713 719) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:06:35,488 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:06:35,488 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:06:35,488 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:06:35,488 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:06:35,489 INFO L274 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2020-11-22 13:06:35,489 INFO L270 CegarLoopResult]: At program point L731-2(lines 759 765) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:06:35,489 INFO L274 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-11-22 13:06:35,489 INFO L274 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-11-22 13:06:35,489 INFO L274 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2020-11-22 13:06:35,489 INFO L270 CegarLoopResult]: At program point L236(lines 232 238) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:06:35,490 INFO L270 CegarLoopResult]: At program point L170(lines 165 173) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:06:35,490 INFO L270 CegarLoopResult]: At program point L187-2(lines 187 201) the Hoare annotation is: false [2020-11-22 13:06:35,490 INFO L270 CegarLoopResult]: At program point L766(lines 766 772) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:06:35,490 INFO L270 CegarLoopResult]: At program point L766-1(lines 766 772) the Hoare annotation is: false [2020-11-22 13:06:35,490 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-22 13:06:35,490 INFO L270 CegarLoopResult]: At program point L766-2(lines 766 772) the Hoare annotation is: false [2020-11-22 13:06:35,491 INFO L277 CegarLoopResult]: At program point L271(lines 252 274) the Hoare annotation is: true [2020-11-22 13:06:35,491 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:06:35,491 INFO L270 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2020-11-22 13:06:35,491 INFO L270 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:06:35,491 INFO L270 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2020-11-22 13:06:35,491 INFO L270 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2020-11-22 13:06:35,492 INFO L270 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2020-11-22 13:06:35,492 INFO L270 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2020-11-22 13:06:35,492 INFO L274 CegarLoopResult]: For program point L703(lines 703 709) no Hoare annotation was computed. [2020-11-22 13:06:35,492 INFO L274 CegarLoopResult]: For program point L191(lines 191 195) no Hoare annotation was computed. [2020-11-22 13:06:35,492 INFO L270 CegarLoopResult]: At program point L703-1(lines 703 709) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:06:35,492 INFO L274 CegarLoopResult]: For program point L191-1(lines 759 765) no Hoare annotation was computed. [2020-11-22 13:06:35,493 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:06:35,497 INFO L270 CegarLoopResult]: At program point L852(lines 845 855) the Hoare annotation is: false [2020-11-22 13:06:35,497 INFO L270 CegarLoopResult]: At program point L852-1(lines 845 855) the Hoare annotation is: false [2020-11-22 13:06:35,497 INFO L270 CegarLoopResult]: At program point L852-2(lines 845 855) the Hoare annotation is: false [2020-11-22 13:06:35,498 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:06:35,499 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-11-22 13:06:35,500 INFO L274 CegarLoopResult]: For program point L723(lines 723 736) no Hoare annotation was computed. [2020-11-22 13:06:35,500 INFO L274 CegarLoopResult]: For program point L294(lines 294 311) no Hoare annotation was computed. [2020-11-22 13:06:35,500 INFO L270 CegarLoopResult]: At program point L294-1(lines 1 908) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:06:35,501 INFO L274 CegarLoopResult]: For program point L294-2(lines 294 311) no Hoare annotation was computed. [2020-11-22 13:06:35,501 INFO L270 CegarLoopResult]: At program point L294-3(lines 1 908) the Hoare annotation is: false [2020-11-22 13:06:35,501 INFO L270 CegarLoopResult]: At program point L162(lines 1 908) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:06:35,501 INFO L274 CegarLoopResult]: For program point L294-4(lines 294 311) no Hoare annotation was computed. [2020-11-22 13:06:35,501 INFO L270 CegarLoopResult]: At program point L294-5(lines 1 908) the Hoare annotation is: false [2020-11-22 13:06:35,501 INFO L274 CegarLoopResult]: For program point L262(lines 262 269) no Hoare annotation was computed. [2020-11-22 13:06:35,502 INFO L270 CegarLoopResult]: At program point L741(lines 692 742) the Hoare annotation is: false [2020-11-22 13:06:35,502 INFO L277 CegarLoopResult]: At program point L262-1(lines 262 269) the Hoare annotation is: true [2020-11-22 13:06:35,502 INFO L274 CegarLoopResult]: For program point L791(lines 791 808) no Hoare annotation was computed. [2020-11-22 13:06:35,502 INFO L274 CegarLoopResult]: For program point L791-1(lines 791 808) no Hoare annotation was computed. [2020-11-22 13:06:35,502 INFO L274 CegarLoopResult]: For program point L791-2(lines 791 808) no Hoare annotation was computed. [2020-11-22 13:06:35,502 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:06:35,503 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:06:35,503 INFO L270 CegarLoopResult]: At program point L759(lines 758 777) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:06:35,503 INFO L274 CegarLoopResult]: For program point L759-1(lines 759 765) no Hoare annotation was computed. [2020-11-22 13:06:35,503 INFO L270 CegarLoopResult]: At program point L759-2(lines 758 777) the Hoare annotation is: false [2020-11-22 13:06:35,503 INFO L270 CegarLoopResult]: At program point L759-3(lines 758 777) the Hoare annotation is: false [2020-11-22 13:06:35,504 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-11-22 13:06:35,504 INFO L274 CegarLoopResult]: For program point L132-1(line 132) no Hoare annotation was computed. [2020-11-22 13:06:35,504 INFO L274 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-11-22 13:06:35,504 INFO L274 CegarLoopResult]: For program point L132-2(line 132) no Hoare annotation was computed. [2020-11-22 13:06:35,504 INFO L274 CegarLoopResult]: For program point L694(lines 693 740) no Hoare annotation was computed. [2020-11-22 13:06:35,504 INFO L274 CegarLoopResult]: For program point L298(lines 298 308) no Hoare annotation was computed. [2020-11-22 13:06:35,505 INFO L274 CegarLoopResult]: For program point L298-2(lines 298 308) no Hoare annotation was computed. [2020-11-22 13:06:35,507 INFO L274 CegarLoopResult]: For program point L298-4(lines 298 308) no Hoare annotation was computed. [2020-11-22 13:06:35,507 INFO L274 CegarLoopResult]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-11-22 13:06:35,507 INFO L274 CegarLoopResult]: For program point L299(lines 299 305) no Hoare annotation was computed. [2020-11-22 13:06:35,507 INFO L274 CegarLoopResult]: For program point L299-2(lines 299 305) no Hoare annotation was computed. [2020-11-22 13:06:35,507 INFO L274 CegarLoopResult]: For program point L299-4(lines 299 305) no Hoare annotation was computed. [2020-11-22 13:06:35,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:06:35 BoogieIcfgContainer [2020-11-22 13:06:35,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:06:35,560 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:06:35,560 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:06:35,560 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:06:35,561 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:06:31" (3/4) ... [2020-11-22 13:06:35,565 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:06:35,596 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:06:35,597 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:06:35,598 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:06:35,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:06:35,600 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:06:35,600 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:06:35,601 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:06:35,641 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 13:06:35,722 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a625739d-62f1-47aa-bad4-90a842537c18/bin/utaipan/witness.graphml [2020-11-22 13:06:35,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:06:35,725 INFO L168 Benchmark]: Toolchain (without parser) took 8038.47 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 48.7 MB in the beginning and 50.1 MB in the end (delta: -1.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:35,725 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 50.3 MB. Free memory is still 31.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:06:35,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.22 ms. Allocated memory is still 73.4 MB. Free memory was 48.6 MB in the beginning and 45.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:35,727 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.99 ms. Allocated memory is still 73.4 MB. Free memory was 45.7 MB in the beginning and 42.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:35,727 INFO L168 Benchmark]: Boogie Preprocessor took 68.54 ms. Allocated memory is still 73.4 MB. Free memory was 42.7 MB in the beginning and 40.5 MB in the end (delta: 2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:06:35,728 INFO L168 Benchmark]: RCFGBuilder took 2983.30 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 40.2 MB in the beginning and 69.3 MB in the end (delta: -29.0 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:35,728 INFO L168 Benchmark]: TraceAbstraction took 3973.41 ms. Allocated memory is still 92.3 MB. Free memory was 69.1 MB in the beginning and 56.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:35,729 INFO L168 Benchmark]: Witness Printer took 162.76 ms. Allocated memory is still 92.3 MB. Free memory was 56.4 MB in the beginning and 50.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:35,731 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 50.3 MB. Free memory is still 31.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 738.22 ms. Allocated memory is still 73.4 MB. Free memory was 48.6 MB in the beginning and 45.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.99 ms. Allocated memory is still 73.4 MB. Free memory was 45.7 MB in the beginning and 42.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.54 ms. Allocated memory is still 73.4 MB. Free memory was 42.7 MB in the beginning and 40.5 MB in the end (delta: 2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2983.30 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 40.2 MB in the beginning and 69.3 MB in the end (delta: -29.0 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3973.41 ms. Allocated memory is still 92.3 MB. Free memory was 69.1 MB in the beginning and 56.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. * Witness Printer took 162.76 ms. Allocated memory is still 92.3 MB. Free memory was 56.4 MB in the beginning and 50.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 759]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 76 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 303 SDtfs, 284 SDslu, 261 SDs, 0 SdLazy, 57 SolverSat, 12 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 73 NumberOfFragments, 167 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1194 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 32 FomulaSimplificationsInter, 324 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 7772 SizeOfPredicates, 8 NumberOfNonLiveVariables, 991 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...