./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8 --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 91f8c6903979fd5720147c225d8a0b2231171c76981a3eb8612b1d57661722a0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:59:30,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:59:30,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:59:31,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:59:31,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:59:31,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:59:31,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:59:31,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:59:31,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:59:31,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:59:31,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:59:31,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:59:31,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:59:31,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:59:31,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:59:31,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:59:31,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:59:31,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:59:31,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:59:31,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:59:31,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:59:31,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:59:31,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:59:31,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:59:31,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:59:31,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:59:31,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:59:31,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:59:31,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:59:31,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:59:31,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:59:31,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:59:31,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:59:31,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:59:31,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:59:31,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:59:31,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:59:31,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:59:31,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:59:31,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:59:31,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:59:31,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 00:59:31,117 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:59:31,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:59:31,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:59:31,118 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:59:31,118 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:59:31,118 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:59:31,118 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:59:31,118 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:59:31,119 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:59:31,119 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:59:31,119 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:59:31,119 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:59:31,119 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:59:31,119 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:59:31,120 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:59:31,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:59:31,121 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:59:31,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:59:31,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:59:31,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:59:31,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:59:31,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:59:31,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:59:31,122 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:59:31,122 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:59:31,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:59:31,123 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:59:31,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:59:31,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:59:31,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:59:31,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:59:31,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:59:31,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:59:31,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:59:31,124 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:59:31,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:59:31,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:59:31,125 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:59:31,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:59:31,129 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_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91f8c6903979fd5720147c225d8a0b2231171c76981a3eb8612b1d57661722a0 [2021-11-07 00:59:31,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:59:31,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:59:31,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:59:31,401 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:59:31,402 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:59:31,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2021-11-07 00:59:31,464 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/data/6155b65cc/40d01d8ca40640f0937d24f7561915b5/FLAGde5813daf [2021-11-07 00:59:31,989 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:59:32,005 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2021-11-07 00:59:32,021 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/data/6155b65cc/40d01d8ca40640f0937d24f7561915b5/FLAGde5813daf [2021-11-07 00:59:32,289 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/data/6155b65cc/40d01d8ca40640f0937d24f7561915b5 [2021-11-07 00:59:32,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:59:32,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:59:32,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:59:32,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:59:32,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:59:32,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:32" (1/1) ... [2021-11-07 00:59:32,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@487bf5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:32, skipping insertion in model container [2021-11-07 00:59:32,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:32" (1/1) ... [2021-11-07 00:59:32,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:59:32,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:59:32,641 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_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13476,13489] [2021-11-07 00:59:32,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:59:32,695 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) [2021-11-07 00:59:32,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@23530d8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:32, skipping insertion in model container [2021-11-07 00:59:32,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:59:32,696 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 00:59:32,699 INFO L168 Benchmark]: Toolchain (without parser) took 403.51 ms. Allocated memory was 100.7 MB in the beginning and 144.7 MB in the end (delta: 44.0 MB). Free memory was 69.0 MB in the beginning and 117.7 MB in the end (delta: -48.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 00:59:32,701 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 100.7 MB. Free memory is still 55.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:59:32,703 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.83 ms. Allocated memory was 100.7 MB in the beginning and 144.7 MB in the end (delta: 44.0 MB). Free memory was 68.8 MB in the beginning and 117.7 MB in the end (delta: -48.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 00:59:32,706 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 100.7 MB. Free memory is still 55.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 398.83 ms. Allocated memory was 100.7 MB in the beginning and 144.7 MB in the end (delta: 44.0 MB). Free memory was 68.8 MB in the beginning and 117.7 MB in the end (delta: -48.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8 --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 91f8c6903979fd5720147c225d8a0b2231171c76981a3eb8612b1d57661722a0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:59:34,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:59:34,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:59:34,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:59:34,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:59:34,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:59:34,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:59:34,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:59:34,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:59:34,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:59:34,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:59:34,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:59:34,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:59:34,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:59:34,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:59:34,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:59:34,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:59:34,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:59:34,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:59:34,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:59:34,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:59:34,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:59:34,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:59:34,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:59:35,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:59:35,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:59:35,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:59:35,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:59:35,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:59:35,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:59:35,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:59:35,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:59:35,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:59:35,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:59:35,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:59:35,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:59:35,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:59:35,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:59:35,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:59:35,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:59:35,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:59:35,022 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 00:59:35,069 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:59:35,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:59:35,071 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:59:35,071 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:59:35,071 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:59:35,072 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:59:35,072 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:59:35,072 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:59:35,072 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:59:35,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:59:35,075 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:59:35,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:59:35,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:59:35,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:59:35,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:59:35,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:59:35,076 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:59:35,076 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 00:59:35,077 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 00:59:35,077 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:59:35,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:59:35,077 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:59:35,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:59:35,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:59:35,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:59:35,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:59:35,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:59:35,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:59:35,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:59:35,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:59:35,079 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 00:59:35,080 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 00:59:35,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:59:35,080 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:59:35,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:59:35,081 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_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91f8c6903979fd5720147c225d8a0b2231171c76981a3eb8612b1d57661722a0 [2021-11-07 00:59:35,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:59:35,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:59:35,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:59:35,483 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:59:35,483 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:59:35,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2021-11-07 00:59:35,567 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/data/665b1dcbb/1c07fe0a8b9a49e5a0c4c64fe32c0ac9/FLAGbb075d621 [2021-11-07 00:59:36,169 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:59:36,170 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2021-11-07 00:59:36,184 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/data/665b1dcbb/1c07fe0a8b9a49e5a0c4c64fe32c0ac9/FLAGbb075d621 [2021-11-07 00:59:36,461 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/data/665b1dcbb/1c07fe0a8b9a49e5a0c4c64fe32c0ac9 [2021-11-07 00:59:36,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:59:36,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:59:36,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:59:36,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:59:36,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:59:36,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:36" (1/1) ... [2021-11-07 00:59:36,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5edcac40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:36, skipping insertion in model container [2021-11-07 00:59:36,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:36" (1/1) ... [2021-11-07 00:59:36,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:59:36,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:59:36,878 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_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13476,13489] [2021-11-07 00:59:36,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:59:36,925 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 00:59:36,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:59:37,000 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_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13476,13489] [2021-11-07 00:59:37,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:59:37,034 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:59:37,109 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_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13476,13489] [2021-11-07 00:59:37,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:59:37,145 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:59:37,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:37 WrapperNode [2021-11-07 00:59:37,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:59:37,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:59:37,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:59:37,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:59:37,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:37" (1/1) ... [2021-11-07 00:59:37,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:37" (1/1) ... [2021-11-07 00:59:37,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:59:37,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:59:37,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:59:37,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:59:37,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:37" (1/1) ... [2021-11-07 00:59:37,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:37" (1/1) ... [2021-11-07 00:59:37,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:37" (1/1) ... [2021-11-07 00:59:37,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:37" (1/1) ... [2021-11-07 00:59:37,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:37" (1/1) ... [2021-11-07 00:59:37,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:37" (1/1) ... [2021-11-07 00:59:37,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:37" (1/1) ... [2021-11-07 00:59:37,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:59:37,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:59:37,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:59:37,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:59:37,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:37" (1/1) ... [2021-11-07 00:59:37,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:59:37,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:59:37,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:59:37,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:59:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:59:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 00:59:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:59:37,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:59:39,551 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:59:39,552 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-11-07 00:59:39,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:59:39 BoogieIcfgContainer [2021-11-07 00:59:39,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:59:39,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:59:39,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:59:39,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:59:39,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:59:36" (1/3) ... [2021-11-07 00:59:39,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cc6d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:59:39, skipping insertion in model container [2021-11-07 00:59:39,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:37" (2/3) ... [2021-11-07 00:59:39,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cc6d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:59:39, skipping insertion in model container [2021-11-07 00:59:39,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:59:39" (3/3) ... [2021-11-07 00:59:39,572 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product06.cil.c [2021-11-07 00:59:39,577 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:59:39,578 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 00:59:39,629 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:59:39,636 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 [2021-11-07 00:59:39,636 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 00:59:39,652 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 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) [2021-11-07 00:59:39,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 00:59:39,658 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:59:39,658 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:59:39,659 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:59:39,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:59:39,676 INFO L85 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2021-11-07 00:59:39,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:59:39,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [887072987] [2021-11-07 00:59:39,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:59:39,694 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:59:39,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:59:39,697 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:59:39,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 00:59:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:59:39,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 00:59:39,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:59:40,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:59:40,032 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:59:40,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:59:40,100 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:59:40,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [887072987] [2021-11-07 00:59:40,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [887072987] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:59:40,101 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:59:40,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 00:59:40,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101477392] [2021-11-07 00:59:40,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:59:40,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:59:40,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:59:40,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:59:40,127 INFO L87 Difference]: Start difference. First operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-11-07 00:59:40,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:59:40,165 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2021-11-07 00:59:40,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:59:40,167 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-11-07 00:59:40,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:59:40,180 INFO L225 Difference]: With dead ends: 132 [2021-11-07 00:59:40,180 INFO L226 Difference]: Without dead ends: 65 [2021-11-07 00:59:40,184 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:59:40,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-11-07 00:59:40,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-11-07 00:59:40,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 64 states have internal predecessors, (90), 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) [2021-11-07 00:59:40,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2021-11-07 00:59:40,236 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2021-11-07 00:59:40,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:59:40,237 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-11-07 00:59:40,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-11-07 00:59:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2021-11-07 00:59:40,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 00:59:40,240 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:59:40,241 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:59:40,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 00:59:40,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:59:40,468 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:59:40,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:59:40,473 INFO L85 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2021-11-07 00:59:40,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:59:40,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [557750133] [2021-11-07 00:59:40,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:59:40,475 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:59:40,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:59:40,476 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:59:40,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 00:59:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:59:40,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:59:40,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:59:40,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:59:40,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:59:40,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:59:40,832 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:59:40,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [557750133] [2021-11-07 00:59:40,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [557750133] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:59:40,832 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:59:40,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:59:40,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943578151] [2021-11-07 00:59:40,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:59:40,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:59:40,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:59:40,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:59:40,835 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-11-07 00:59:40,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:59:40,849 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2021-11-07 00:59:40,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:59:40,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 17 [2021-11-07 00:59:40,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:59:40,851 INFO L225 Difference]: With dead ends: 65 [2021-11-07 00:59:40,851 INFO L226 Difference]: Without dead ends: 31 [2021-11-07 00:59:40,852 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:59:40,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-11-07 00:59:40,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-11-07 00:59:40,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 states have internal predecessors, (43), 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) [2021-11-07 00:59:40,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-11-07 00:59:40,857 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2021-11-07 00:59:40,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:59:40,858 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-11-07 00:59:40,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-11-07 00:59:40,858 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-11-07 00:59:40,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 00:59:40,859 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:59:40,859 INFO L513 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] [2021-11-07 00:59:40,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 00:59:41,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:59:41,073 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:59:41,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:59:41,073 INFO L85 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2021-11-07 00:59:41,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:59:41,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [514171266] [2021-11-07 00:59:41,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:59:41,075 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:59:41,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:59:41,076 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:59:41,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 00:59:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:59:41,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:59:41,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:59:41,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:59:41,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:59:41,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:59:41,508 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:59:41,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [514171266] [2021-11-07 00:59:41,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [514171266] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:59:41,509 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:59:41,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:59:41,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622930615] [2021-11-07 00:59:41,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:59:41,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:59:41,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:59:41,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:59:41,512 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-11-07 00:59:41,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:59:41,560 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2021-11-07 00:59:41,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:59:41,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 22 [2021-11-07 00:59:41,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:59:41,563 INFO L225 Difference]: With dead ends: 56 [2021-11-07 00:59:41,563 INFO L226 Difference]: Without dead ends: 31 [2021-11-07 00:59:41,564 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:59:41,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-11-07 00:59:41,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-11-07 00:59:41,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 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) [2021-11-07 00:59:41,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2021-11-07 00:59:41,573 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2021-11-07 00:59:41,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:59:41,573 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2021-11-07 00:59:41,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-11-07 00:59:41,575 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2021-11-07 00:59:41,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 00:59:41,577 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:59:41,577 INFO L513 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] [2021-11-07 00:59:41,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 00:59:41,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:59:41,792 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:59:41,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:59:41,793 INFO L85 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2021-11-07 00:59:41,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:59:41,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1813713135] [2021-11-07 00:59:41,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:59:41,794 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:59:41,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:59:41,798 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:59:41,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 00:59:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:59:42,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:59:42,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:59:42,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:59:42,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:59:42,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:59:42,217 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:59:42,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1813713135] [2021-11-07 00:59:42,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1813713135] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:59:42,218 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:59:42,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 00:59:42,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822510511] [2021-11-07 00:59:42,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 00:59:42,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:59:42,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 00:59:42,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:59:42,222 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-11-07 00:59:42,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:59:42,360 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2021-11-07 00:59:42,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 00:59:42,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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 23 [2021-11-07 00:59:42,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:59:42,366 INFO L225 Difference]: With dead ends: 132 [2021-11-07 00:59:42,367 INFO L226 Difference]: Without dead ends: 107 [2021-11-07 00:59:42,368 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 00:59:42,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-07 00:59:42,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2021-11-07 00:59:42,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 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) [2021-11-07 00:59:42,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2021-11-07 00:59:42,390 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2021-11-07 00:59:42,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:59:42,390 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2021-11-07 00:59:42,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-11-07 00:59:42,391 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2021-11-07 00:59:42,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 00:59:42,392 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:59:42,393 INFO L513 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] [2021-11-07 00:59:42,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 00:59:42,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:59:42,606 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:59:42,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:59:42,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1414455604, now seen corresponding path program 1 times [2021-11-07 00:59:42,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:59:42,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528010449] [2021-11-07 00:59:42,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:59:42,608 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:59:42,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:59:42,609 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:59:42,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 00:59:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:59:42,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:59:42,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:59:42,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:59:42,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:59:42,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:59:42,977 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:59:42,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528010449] [2021-11-07 00:59:42,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1528010449] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:59:42,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:59:42,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 00:59:42,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463154561] [2021-11-07 00:59:42,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 00:59:42,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:59:42,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 00:59:42,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:59:42,983 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-11-07 00:59:43,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:59:43,078 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2021-11-07 00:59:43,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 00:59:43,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 [2021-11-07 00:59:43,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:59:43,080 INFO L225 Difference]: With dead ends: 144 [2021-11-07 00:59:43,080 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 00:59:43,083 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 00:59:43,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 00:59:43,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 00:59:43,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-11-07 00:59:43,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 00:59:43,085 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-11-07 00:59:43,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:59:43,085 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 00:59:43,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-11-07 00:59:43,086 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 00:59:43,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 00:59:43,089 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:59:43,090 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:59:43,090 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:59:43,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 00:59:43,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:59:43,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 00:59:43,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:59:43,749 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2021-11-07 00:59:43,750 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 618) no Hoare annotation was computed. [2021-11-07 00:59:43,750 INFO L853 garLoopResultBuilder]: At program point L449(lines 444 452) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:43,750 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 00:59:43,751 INFO L853 garLoopResultBuilder]: At program point L829(lines 822 832) the Hoare annotation is: false [2021-11-07 00:59:43,751 INFO L853 garLoopResultBuilder]: At program point L829-1(lines 822 832) the Hoare annotation is: false [2021-11-07 00:59:43,751 INFO L853 garLoopResultBuilder]: At program point L829-2(lines 822 832) the Hoare annotation is: false [2021-11-07 00:59:43,751 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 703) no Hoare annotation was computed. [2021-11-07 00:59:43,751 INFO L853 garLoopResultBuilder]: At program point L697-1(lines 697 703) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:43,752 INFO L853 garLoopResultBuilder]: At program point L466-2(lines 466 480) the Hoare annotation is: false [2021-11-07 00:59:43,752 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 579) no Hoare annotation was computed. [2021-11-07 00:59:43,752 INFO L853 garLoopResultBuilder]: At program point L566-1(lines 1 885) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:43,752 INFO L857 garLoopResultBuilder]: For program point L566-2(lines 566 579) no Hoare annotation was computed. [2021-11-07 00:59:43,752 INFO L853 garLoopResultBuilder]: At program point L566-3(lines 1 885) the Hoare annotation is: false [2021-11-07 00:59:43,753 INFO L857 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-11-07 00:59:43,753 INFO L857 garLoopResultBuilder]: For program point L566-4(lines 566 579) no Hoare annotation was computed. [2021-11-07 00:59:43,753 INFO L853 garLoopResultBuilder]: At program point L566-5(lines 1 885) the Hoare annotation is: false [2021-11-07 00:59:43,753 INFO L860 garLoopResultBuilder]: At program point L550(lines 531 553) the Hoare annotation is: true [2021-11-07 00:59:43,753 INFO L853 garLoopResultBuilder]: At program point L517(lines 513 519) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:43,754 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 730) no Hoare annotation was computed. [2021-11-07 00:59:43,754 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 606) no Hoare annotation was computed. [2021-11-07 00:59:43,754 INFO L857 garLoopResultBuilder]: For program point L602-3(lines 602 606) no Hoare annotation was computed. [2021-11-07 00:59:43,754 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2021-11-07 00:59:43,754 INFO L857 garLoopResultBuilder]: For program point L470-1(lines 753 759) no Hoare annotation was computed. [2021-11-07 00:59:43,754 INFO L857 garLoopResultBuilder]: For program point L602-6(lines 602 606) no Hoare annotation was computed. [2021-11-07 00:59:43,754 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 00:59:43,755 INFO L853 garLoopResultBuilder]: At program point L735(lines 686 736) the Hoare annotation is: false [2021-11-07 00:59:43,755 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 576) no Hoare annotation was computed. [2021-11-07 00:59:43,755 INFO L857 garLoopResultBuilder]: For program point L570-2(lines 570 576) no Hoare annotation was computed. [2021-11-07 00:59:43,755 INFO L857 garLoopResultBuilder]: For program point L570-4(lines 570 576) no Hoare annotation was computed. [2021-11-07 00:59:43,755 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 802) no Hoare annotation was computed. [2021-11-07 00:59:43,756 INFO L857 garLoopResultBuilder]: For program point L785-1(lines 785 802) no Hoare annotation was computed. [2021-11-07 00:59:43,756 INFO L857 garLoopResultBuilder]: For program point L785-2(lines 785 802) no Hoare annotation was computed. [2021-11-07 00:59:43,756 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2021-11-07 00:59:43,756 INFO L853 garLoopResultBuilder]: At program point L753(lines 752 771) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:43,756 INFO L857 garLoopResultBuilder]: For program point L753-1(lines 753 759) no Hoare annotation was computed. [2021-11-07 00:59:43,757 INFO L853 garLoopResultBuilder]: At program point L753-2(lines 752 771) the Hoare annotation is: false [2021-11-07 00:59:43,757 INFO L853 garLoopResultBuilder]: At program point L753-3(lines 752 771) the Hoare annotation is: false [2021-11-07 00:59:43,757 INFO L857 garLoopResultBuilder]: For program point L588(line 588) no Hoare annotation was computed. [2021-11-07 00:59:43,757 INFO L857 garLoopResultBuilder]: For program point L588-1(line 588) no Hoare annotation was computed. [2021-11-07 00:59:43,757 INFO L857 garLoopResultBuilder]: For program point L588-2(line 588) no Hoare annotation was computed. [2021-11-07 00:59:43,757 INFO L857 garLoopResultBuilder]: For program point L688(lines 687 734) no Hoare annotation was computed. [2021-11-07 00:59:43,758 INFO L853 garLoopResultBuilder]: At program point L639(lines 634 642) the Hoare annotation is: false [2021-11-07 00:59:43,758 INFO L853 garLoopResultBuilder]: At program point L639-1(lines 634 642) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:43,758 INFO L853 garLoopResultBuilder]: At program point L639-2(lines 634 642) the Hoare annotation is: false [2021-11-07 00:59:43,758 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 00:59:43,758 INFO L853 garLoopResultBuilder]: At program point L639-3(lines 634 642) the Hoare annotation is: false [2021-11-07 00:59:43,759 INFO L853 garLoopResultBuilder]: At program point L639-4(lines 634 642) the Hoare annotation is: false [2021-11-07 00:59:43,759 INFO L853 garLoopResultBuilder]: At program point L639-5(lines 634 642) the Hoare annotation is: false [2021-11-07 00:59:43,759 INFO L853 garLoopResultBuilder]: At program point L441(lines 1 885) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:43,759 INFO L857 garLoopResultBuilder]: For program point L689(lines 689 693) no Hoare annotation was computed. [2021-11-07 00:59:43,759 INFO L853 garLoopResultBuilder]: At program point L838(lines 833 841) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:43,760 INFO L853 garLoopResultBuilder]: At program point L838-1(lines 833 841) the Hoare annotation is: false [2021-11-07 00:59:43,760 INFO L853 garLoopResultBuilder]: At program point L838-2(lines 833 841) the Hoare annotation is: false [2021-11-07 00:59:43,760 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 548) no Hoare annotation was computed. [2021-11-07 00:59:43,760 INFO L860 garLoopResultBuilder]: At program point L541-1(lines 541 548) the Hoare annotation is: true [2021-11-07 00:59:43,760 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 797) no Hoare annotation was computed. [2021-11-07 00:59:43,760 INFO L857 garLoopResultBuilder]: For program point L789-1(lines 789 797) no Hoare annotation was computed. [2021-11-07 00:59:43,761 INFO L857 garLoopResultBuilder]: For program point L789-2(lines 789 797) no Hoare annotation was computed. [2021-11-07 00:59:43,761 INFO L857 garLoopResultBuilder]: For program point L707(lines 707 713) no Hoare annotation was computed. [2021-11-07 00:59:43,761 INFO L853 garLoopResultBuilder]: At program point L707-1(lines 707 713) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:43,761 INFO L857 garLoopResultBuilder]: For program point L725(lines 725 729) no Hoare annotation was computed. [2021-11-07 00:59:43,761 INFO L853 garLoopResultBuilder]: At program point L725-2(lines 753 759) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:43,762 INFO L857 garLoopResultBuilder]: For program point L626(lines 626 630) no Hoare annotation was computed. [2021-11-07 00:59:43,762 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 00:59:43,762 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2021-11-07 00:59:43,762 INFO L853 garLoopResultBuilder]: At program point L760(lines 760 766) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:59:43,762 INFO L853 garLoopResultBuilder]: At program point L760-1(lines 760 766) the Hoare annotation is: false [2021-11-07 00:59:43,762 INFO L853 garLoopResultBuilder]: At program point L760-2(lines 760 766) the Hoare annotation is: false [2021-11-07 00:59:43,766 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 00:59:43,767 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 00:59:43,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:59:43 BoogieIcfgContainer [2021-11-07 00:59:43,784 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 00:59:43,784 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 00:59:43,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 00:59:43,785 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 00:59:43,785 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:59:39" (3/4) ... [2021-11-07 00:59:43,789 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 00:59:43,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 00:59:43,807 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 00:59:43,808 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 00:59:43,808 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 00:59:43,809 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 00:59:43,810 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 00:59:43,810 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 00:59:43,839 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 00:59:43,879 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 00:59:43,880 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 00:59:43,881 INFO L168 Benchmark]: Toolchain (without parser) took 7414.09 ms. Allocated memory was 67.1 MB in the beginning and 104.9 MB in the end (delta: 37.7 MB). Free memory was 45.2 MB in the beginning and 67.3 MB in the end (delta: -22.1 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-11-07 00:59:43,882 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 67.1 MB. Free memory is still 46.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:59:43,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.36 ms. Allocated memory is still 67.1 MB. Free memory was 45.0 MB in the beginning and 35.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 00:59:43,883 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.03 ms. Allocated memory is still 67.1 MB. Free memory was 35.6 MB in the beginning and 32.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:59:43,883 INFO L168 Benchmark]: Boogie Preprocessor took 37.53 ms. Allocated memory is still 67.1 MB. Free memory was 32.7 MB in the beginning and 30.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:59:43,884 INFO L168 Benchmark]: RCFGBuilder took 2309.02 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 30.4 MB in the beginning and 37.5 MB in the end (delta: -7.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-11-07 00:59:43,884 INFO L168 Benchmark]: TraceAbstraction took 4218.25 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 65.5 MB in the beginning and 72.8 MB in the end (delta: -7.3 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2021-11-07 00:59:43,884 INFO L168 Benchmark]: Witness Printer took 95.23 ms. Allocated memory is still 104.9 MB. Free memory was 72.8 MB in the beginning and 67.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:59:43,887 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 67.1 MB. Free memory is still 46.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 677.36 ms. Allocated memory is still 67.1 MB. Free memory was 45.0 MB in the beginning and 35.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.03 ms. Allocated memory is still 67.1 MB. Free memory was 35.6 MB in the beginning and 32.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.53 ms. Allocated memory is still 67.1 MB. Free memory was 32.7 MB in the beginning and 30.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2309.02 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 30.4 MB in the beginning and 37.5 MB in the end (delta: -7.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4218.25 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 65.5 MB in the beginning and 72.8 MB in the end (delta: -7.3 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. * Witness Printer took 95.23 ms. Allocated memory is still 104.9 MB. Free memory was 72.8 MB in the beginning and 67.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 588]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 588]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 588]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 286 SDtfs, 365 SDslu, 233 SDs, 0 SdLazy, 53 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1214 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 31 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 316 SizeOfPredicates, 7 NumberOfNonLiveVariables, 976 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-07 00:59:43,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76ffce7-aeda-408e-8ef0-fbae8d3fcb5a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE