./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE --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 59d087b21d164936324b83c1e291a64a9503c1749575f000c4a0a3b8eb208c6d ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE --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 59d087b21d164936324b83c1e291a64a9503c1749575f000c4a0a3b8eb208c6d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:02:24,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:02:24,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:02:24,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:02:24,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:02:24,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:02:24,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:02:24,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:02:24,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:02:24,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:02:24,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:02:24,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:02:24,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:02:24,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:02:24,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:02:24,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:02:24,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:02:24,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:02:24,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:02:24,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:02:24,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:02:24,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:02:24,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:02:24,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:02:24,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:02:24,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:02:24,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:02:24,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:02:24,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:02:24,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:02:24,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:02:24,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:02:24,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:02:24,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:02:24,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:02:24,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:02:24,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:02:24,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:02:24,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:02:24,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:02:24,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:02:24,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:02:24,754 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:02:24,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:02:24,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:02:24,756 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:02:24,756 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:02:24,757 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:02:24,757 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:02:24,757 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:02:24,758 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:02:24,758 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:02:24,758 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:02:24,759 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:02:24,759 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:02:24,759 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:02:24,760 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:02:24,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:02:24,761 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:02:24,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:02:24,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:02:24,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:02:24,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:02:24,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:02:24,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:02:24,763 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:02:24,763 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:02:24,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:02:24,764 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:02:24,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:02:24,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:02:24,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:02:24,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:02:24,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:02:24,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:02:24,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:02:24,766 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:02:24,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:02:24,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:02:24,767 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:02:24,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:02:24,767 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_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59d087b21d164936324b83c1e291a64a9503c1749575f000c4a0a3b8eb208c6d [2021-10-24 10:02:25,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:02:25,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:02:25,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:02:25,118 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:02:25,119 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:02:25,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c [2021-10-24 10:02:25,194 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/data/88110e36a/56b5011bc3534f66b707390f6409f497/FLAG3e856612f [2021-10-24 10:02:25,815 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:02:25,815 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c [2021-10-24 10:02:25,841 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/data/88110e36a/56b5011bc3534f66b707390f6409f497/FLAG3e856612f [2021-10-24 10:02:26,084 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/data/88110e36a/56b5011bc3534f66b707390f6409f497 [2021-10-24 10:02:26,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:02:26,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:02:26,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:02:26,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:02:26,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:02:26,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:02:26" (1/1) ... [2021-10-24 10:02:26,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4605b382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:26, skipping insertion in model container [2021-10-24 10:02:26,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:02:26" (1/1) ... [2021-10-24 10:02:26,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:02:26,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:02:26,513 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c[14361,14374] [2021-10-24 10:02:26,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:02:26,565 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) [2021-10-24 10:02:26,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5143f3cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:26, skipping insertion in model container [2021-10-24 10:02:26,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:02:26,567 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:02:26,569 INFO L168 Benchmark]: Toolchain (without parser) took 477.59 ms. Allocated memory is still 96.5 MB. Free memory was 57.0 MB in the beginning and 69.1 MB in the end (delta: -12.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:02:26,570 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 96.5 MB. Free memory was 74.0 MB in the beginning and 74.0 MB in the end (delta: 72.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:02:26,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.80 ms. Allocated memory is still 96.5 MB. Free memory was 56.8 MB in the beginning and 69.1 MB in the end (delta: -12.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:02:26,574 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 96.5 MB. Free memory was 74.0 MB in the beginning and 74.0 MB in the end (delta: 72.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 474.80 ms. Allocated memory is still 96.5 MB. Free memory was 56.8 MB in the beginning and 69.1 MB in the end (delta: -12.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 311]: 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 0.2.1-dev-e943c26 [2021-10-24 10:02:28,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:02:28,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:02:28,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:02:28,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:02:28,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:02:28,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:02:28,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:02:28,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:02:28,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:02:28,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:02:28,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:02:28,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:02:28,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:02:28,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:02:28,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:02:28,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:02:28,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:02:28,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:02:28,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:02:28,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:02:28,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:02:28,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:02:28,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:02:28,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:02:28,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:02:28,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:02:28,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:02:28,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:02:28,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:02:28,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:02:28,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:02:28,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:02:28,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:02:28,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:02:28,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:02:28,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:02:28,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:02:28,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:02:28,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:02:28,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:02:28,912 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:02:28,968 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:02:28,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:02:28,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:02:28,970 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:02:28,971 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:02:28,971 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:02:28,971 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:02:28,971 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:02:28,971 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:02:28,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:02:28,974 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:02:28,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:02:28,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:02:28,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:02:28,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:02:28,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:02:28,975 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:02:28,976 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:02:28,976 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:02:28,976 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:02:28,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:02:28,976 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:02:28,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:02:28,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:02:28,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:02:28,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:02:28,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:02:28,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:02:28,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:02:28,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:02:28,978 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:02:28,979 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:02:28,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:02:28,979 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:02:28,979 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:02:28,980 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_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59d087b21d164936324b83c1e291a64a9503c1749575f000c4a0a3b8eb208c6d [2021-10-24 10:02:29,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:02:29,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:02:29,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:02:29,426 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:02:29,429 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:02:29,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c [2021-10-24 10:02:29,511 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/data/1329a9328/12c9e7d0f66f4786805c731ae5d1c1b2/FLAG6f40b3c56 [2021-10-24 10:02:30,136 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:02:30,136 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c [2021-10-24 10:02:30,155 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/data/1329a9328/12c9e7d0f66f4786805c731ae5d1c1b2/FLAG6f40b3c56 [2021-10-24 10:02:30,406 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/data/1329a9328/12c9e7d0f66f4786805c731ae5d1c1b2 [2021-10-24 10:02:30,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:02:30,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:02:30,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:02:30,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:02:30,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:02:30,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:02:30" (1/1) ... [2021-10-24 10:02:30,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@242c917d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:30, skipping insertion in model container [2021-10-24 10:02:30,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:02:30" (1/1) ... [2021-10-24 10:02:30,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:02:30,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:02:30,873 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c[14361,14374] [2021-10-24 10:02:30,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:02:30,931 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:02:30,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:02:30,989 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c[14361,14374] [2021-10-24 10:02:31,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:02:31,027 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:02:31,098 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c[14361,14374] [2021-10-24 10:02:31,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:02:31,155 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:02:31,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:31 WrapperNode [2021-10-24 10:02:31,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:02:31,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:02:31,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:02:31,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:02:31,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:31" (1/1) ... [2021-10-24 10:02:31,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:31" (1/1) ... [2021-10-24 10:02:31,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:02:31,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:02:31,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:02:31,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:02:31,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:31" (1/1) ... [2021-10-24 10:02:31,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:31" (1/1) ... [2021-10-24 10:02:31,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:31" (1/1) ... [2021-10-24 10:02:31,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:31" (1/1) ... [2021-10-24 10:02:31,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:31" (1/1) ... [2021-10-24 10:02:31,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:31" (1/1) ... [2021-10-24 10:02:31,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:31" (1/1) ... [2021-10-24 10:02:31,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:02:31,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:02:31,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:02:31,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:02:31,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:31" (1/1) ... [2021-10-24 10:02:31,384 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:02:31,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:02:31,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:02:31,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:02:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:02:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:02:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:02:31,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:02:33,607 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:02:33,607 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-10-24 10:02:33,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:02:33 BoogieIcfgContainer [2021-10-24 10:02:33,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:02:33,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:02:33,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:02:33,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:02:33,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:02:30" (1/3) ... [2021-10-24 10:02:33,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eae9dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:02:33, skipping insertion in model container [2021-10-24 10:02:33,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:31" (2/3) ... [2021-10-24 10:02:33,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eae9dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:02:33, skipping insertion in model container [2021-10-24 10:02:33,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:02:33" (3/3) ... [2021-10-24 10:02:33,617 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product26.cil.c [2021-10-24 10:02:33,623 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:02:33,623 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:02:33,671 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:02:33,676 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:02:33,676 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:02:33,693 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 77 states have (on average 1.5584415584415585) internal successors, (120), 80 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:33,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 10:02:33,701 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:33,702 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:02:33,702 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:33,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:33,713 INFO L82 PathProgramCache]: Analyzing trace with hash 928665618, now seen corresponding path program 1 times [2021-10-24 10:02:33,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:33,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516714601] [2021-10-24 10:02:33,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:33,727 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:33,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:33,729 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:33,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:02:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:33,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:02:33,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:34,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:34,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:34,144 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:34,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516714601] [2021-10-24 10:02:34,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1516714601] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:34,145 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:34,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:02:34,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447144753] [2021-10-24 10:02:34,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:02:34,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:34,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:02:34,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:02:34,176 INFO L87 Difference]: Start difference. First operand has 81 states, 77 states have (on average 1.5584415584415585) internal successors, (120), 80 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:34,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:34,217 INFO L93 Difference]: Finished difference Result 156 states and 233 transitions. [2021-10-24 10:02:34,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:02:34,218 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-24 10:02:34,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:34,226 INFO L225 Difference]: With dead ends: 156 [2021-10-24 10:02:34,227 INFO L226 Difference]: Without dead ends: 77 [2021-10-24 10:02:34,229 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:02:34,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-24 10:02:34,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-10-24 10:02:34,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 74 states have (on average 1.4594594594594594) internal successors, (108), 76 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:34,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 108 transitions. [2021-10-24 10:02:34,264 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 108 transitions. Word has length 18 [2021-10-24 10:02:34,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:34,264 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 108 transitions. [2021-10-24 10:02:34,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:34,265 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2021-10-24 10:02:34,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:02:34,266 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:34,266 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:02:34,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:34,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:34,478 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:34,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:34,479 INFO L82 PathProgramCache]: Analyzing trace with hash 674916017, now seen corresponding path program 1 times [2021-10-24 10:02:34,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:34,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291857404] [2021-10-24 10:02:34,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:34,481 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:34,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:34,482 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:34,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:02:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:34,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:02:34,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:34,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:34,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:34,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:34,832 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:34,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291857404] [2021-10-24 10:02:34,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291857404] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:34,832 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:34,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:02:34,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432574048] [2021-10-24 10:02:34,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:02:34,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:34,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:02:34,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:02:34,841 INFO L87 Difference]: Start difference. First operand 77 states and 108 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:34,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:34,871 INFO L93 Difference]: Finished difference Result 77 states and 108 transitions. [2021-10-24 10:02:34,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:02:34,872 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-24 10:02:34,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:34,874 INFO L225 Difference]: With dead ends: 77 [2021-10-24 10:02:34,875 INFO L226 Difference]: Without dead ends: 35 [2021-10-24 10:02:34,876 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:02:34,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-24 10:02:34,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-24 10:02:34,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:34,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-24 10:02:34,889 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-24 10:02:34,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:34,890 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-24 10:02:34,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:34,891 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-24 10:02:34,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:02:34,893 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:34,894 INFO L512 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] [2021-10-24 10:02:34,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-24 10:02:35,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:35,106 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:35,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:35,107 INFO L82 PathProgramCache]: Analyzing trace with hash 492093711, now seen corresponding path program 1 times [2021-10-24 10:02:35,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:35,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [564191516] [2021-10-24 10:02:35,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:35,108 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:35,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:35,109 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:35,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:02:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:35,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:02:35,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:35,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:35,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:35,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:35,451 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:35,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [564191516] [2021-10-24 10:02:35,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [564191516] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:35,452 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:35,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:02:35,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155928731] [2021-10-24 10:02:35,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:02:35,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:35,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:02:35,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:02:35,454 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:35,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:35,484 INFO L93 Difference]: Finished difference Result 64 states and 92 transitions. [2021-10-24 10:02:35,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:02:35,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 10:02:35,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:35,485 INFO L225 Difference]: With dead ends: 64 [2021-10-24 10:02:35,485 INFO L226 Difference]: Without dead ends: 35 [2021-10-24 10:02:35,486 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:02:35,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-24 10:02:35,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-24 10:02:35,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.411764705882353) internal successors, (48), 34 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:35,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2021-10-24 10:02:35,491 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2021-10-24 10:02:35,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:35,491 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2021-10-24 10:02:35,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:35,492 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2021-10-24 10:02:35,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 10:02:35,493 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:35,493 INFO L512 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] [2021-10-24 10:02:35,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:35,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:35,712 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:35,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:35,713 INFO L82 PathProgramCache]: Analyzing trace with hash -147058101, now seen corresponding path program 1 times [2021-10-24 10:02:35,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:35,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346274244] [2021-10-24 10:02:35,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:35,714 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:35,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:35,717 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:35,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:02:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:35,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:02:35,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:36,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:36,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:36,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:36,163 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:36,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346274244] [2021-10-24 10:02:36,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [346274244] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:36,163 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:36,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 10:02:36,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608027949] [2021-10-24 10:02:36,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:02:36,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:36,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:02:36,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:02:36,165 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:36,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:36,479 INFO L93 Difference]: Finished difference Result 340 states and 509 transitions. [2021-10-24 10:02:36,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-24 10:02:36,480 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-24 10:02:36,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:36,484 INFO L225 Difference]: With dead ends: 340 [2021-10-24 10:02:36,484 INFO L226 Difference]: Without dead ends: 311 [2021-10-24 10:02:36,485 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 141.5ms TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-24 10:02:36,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-10-24 10:02:36,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 84. [2021-10-24 10:02:36,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 83 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:36,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2021-10-24 10:02:36,506 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 25 [2021-10-24 10:02:36,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:36,506 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2021-10-24 10:02:36,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:36,507 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2021-10-24 10:02:36,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:02:36,508 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:36,508 INFO L512 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] [2021-10-24 10:02:36,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:36,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:36,721 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:36,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:36,721 INFO L82 PathProgramCache]: Analyzing trace with hash -2106367091, now seen corresponding path program 1 times [2021-10-24 10:02:36,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:36,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827780974] [2021-10-24 10:02:36,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:36,723 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:36,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:36,724 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:36,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:02:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:02:38,010 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 10:02:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:02:39,231 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-24 10:02:39,232 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 10:02:39,233 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:02:39,235 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:02:39,235 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:02:39,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:39,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:39,459 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:02:39,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:02:39 BoogieIcfgContainer [2021-10-24 10:02:39,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:02:39,572 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:02:39,572 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:02:39,573 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:02:39,573 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:02:33" (3/4) ... [2021-10-24 10:02:39,575 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-24 10:02:39,667 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:02:39,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:02:39,668 INFO L168 Benchmark]: Toolchain (without parser) took 9254.72 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 38.5 MB in the beginning and 35.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:02:39,669 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 60.8 MB. Free memory is still 41.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:02:39,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.23 ms. Allocated memory is still 60.8 MB. Free memory was 38.4 MB in the beginning and 28.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:02:39,670 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.65 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 28.9 MB in the beginning and 62.8 MB in the end (delta: -33.9 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:02:39,670 INFO L168 Benchmark]: Boogie Preprocessor took 105.29 ms. Allocated memory is still 81.8 MB. Free memory was 62.8 MB in the beginning and 60.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:02:39,670 INFO L168 Benchmark]: RCFGBuilder took 2233.18 ms. Allocated memory is still 81.8 MB. Free memory was 60.4 MB in the beginning and 55.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. [2021-10-24 10:02:39,671 INFO L168 Benchmark]: TraceAbstraction took 5960.46 ms. Allocated memory is still 81.8 MB. Free memory was 55.4 MB in the beginning and 46.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:02:39,671 INFO L168 Benchmark]: Witness Printer took 94.68 ms. Allocated memory is still 81.8 MB. Free memory was 46.5 MB in the beginning and 35.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:02:39,673 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 60.8 MB. Free memory is still 41.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 741.23 ms. Allocated memory is still 60.8 MB. Free memory was 38.4 MB in the beginning and 28.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.65 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 28.9 MB in the beginning and 62.8 MB in the end (delta: -33.9 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.29 ms. Allocated memory is still 81.8 MB. Free memory was 62.8 MB in the beginning and 60.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2233.18 ms. Allocated memory is still 81.8 MB. Free memory was 60.4 MB in the beginning and 55.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5960.46 ms. Allocated memory is still 81.8 MB. Free memory was 55.4 MB in the beginning and 46.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 16.1 GB. * Witness Printer took 94.68 ms. Allocated memory is still 81.8 MB. Free memory was 46.5 MB in the beginning and 35.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 653]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int cleanupTimeShifts = 4; [L194] int waterLevel = 1; [L195] int methaneLevelCritical = 0; [L452] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L662] int pumpRunning = 0; [L663] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L842] int splverifierCounter ; [L843] int tmp ; [L844] int tmp___0 ; [L845] int tmp___1 ; [L846] int tmp___2 ; [L849] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L851] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L853] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L859] tmp = __VERIFIER_nondet_int() [L861] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L212] COND TRUE waterLevel < 2 [L213] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L869] tmp___0 = __VERIFIER_nondet_int() [L871] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L879] tmp___2 = __VERIFIER_nondet_int() [L881] COND TRUE \read(tmp___2) [L836] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L670] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L677] COND TRUE \read(systemActive) [L699] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L702] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L909] int tmp ; [L910] int tmp___0 ; [L911] int tmp___1 ; [L233] int retValue_acc ; [L236] retValue_acc = methaneLevelCritical [L237] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L915] tmp = isMethaneLevelCritical() [L917] COND FALSE !(\read(tmp)) [L265] int retValue_acc ; [L268] retValue_acc = waterLevel [L269] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L921] tmp___0 = getWaterLevel() [L923] COND TRUE tmp___0 == 2 [L769] int retValue_acc ; [L772] retValue_acc = pumpRunning [L773] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L925] tmp___1 = isPumpRunning() [L927] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L653] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 653]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 653]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5788.4ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 17.8ms, AutomataDifference: 467.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 283 SDtfs, 495 SDslu, 650 SDs, 0 SdLazy, 127 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 149.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 160.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 61.2ms AutomataMinimizationTime, 4 MinimizatonAttempts, 227 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 113.2ms SsaConstructionTime, 1638.7ms SatisfiabilityAnalysisTime, 744.0ms InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 287 SizeOfPredicates, 4 NumberOfNonLiveVariables, 792 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-24 10:02:39,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6ff301-9f94-4b88-bd48-e68ba887c2d3/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...