./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG --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 0cfd5986b9c6081aba994f88e5d05d10fdc0f15ef14be4c1b5ef95a6415946c3 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG --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 0cfd5986b9c6081aba994f88e5d05d10fdc0f15ef14be4c1b5ef95a6415946c3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:48:21,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:48:21,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:48:21,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:48:21,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:48:21,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:48:21,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:48:21,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:48:21,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:48:21,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:48:21,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:48:21,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:48:21,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:48:21,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:48:21,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:48:21,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:48:21,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:48:21,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:48:21,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:48:21,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:48:21,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:48:21,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:48:21,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:48:21,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:48:21,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:48:21,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:48:21,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:48:21,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:48:21,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:48:22,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:48:22,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:48:22,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:48:22,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:48:22,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:48:22,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:48:22,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:48:22,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:48:22,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:48:22,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:48:22,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:48:22,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:48:22,017 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:48:22,077 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:48:22,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:48:22,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:48:22,080 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:48:22,081 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:48:22,081 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:48:22,081 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:48:22,082 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:48:22,082 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:48:22,082 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:48:22,084 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:48:22,084 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:48:22,085 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:48:22,085 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:48:22,086 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:48:22,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:48:22,087 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:48:22,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:48:22,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:48:22,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:48:22,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:48:22,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:48:22,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:48:22,090 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:48:22,090 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:48:22,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:48:22,091 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:48:22,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:48:22,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:48:22,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:48:22,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:48:22,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:48:22,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:48:22,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:48:22,096 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:48:22,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:48:22,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:48:22,097 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:48:22,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:48:22,098 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_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfd5986b9c6081aba994f88e5d05d10fdc0f15ef14be4c1b5ef95a6415946c3 [2021-10-29 05:48:22,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:48:22,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:48:22,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:48:22,557 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:48:22,558 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:48:22,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2021-10-29 05:48:22,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/data/56d59f9bd/7c403cd2a355485bb1529b8fd4c3037b/FLAGa39c32d3a [2021-10-29 05:48:23,279 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:48:23,280 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2021-10-29 05:48:23,307 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/data/56d59f9bd/7c403cd2a355485bb1529b8fd4c3037b/FLAGa39c32d3a [2021-10-29 05:48:23,507 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/data/56d59f9bd/7c403cd2a355485bb1529b8fd4c3037b [2021-10-29 05:48:23,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:48:23,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:48:23,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:48:23,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:48:23,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:48:23,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:48:23" (1/1) ... [2021-10-29 05:48:23,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f5c4169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:23, skipping insertion in model container [2021-10-29 05:48:23,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:48:23" (1/1) ... [2021-10-29 05:48:23,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:48:23,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:48:24,037 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_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c[17861,17874] [2021-10-29 05:48:24,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:48:24,050 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-29 05:48:24,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@655721ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:24, skipping insertion in model container [2021-10-29 05:48:24,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:48:24,052 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:48:24,054 INFO L168 Benchmark]: Toolchain (without parser) took 533.22 ms. Allocated memory is still 96.5 MB. Free memory was 59.3 MB in the beginning and 70.3 MB in the end (delta: -11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:48:24,055 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 96.5 MB. Free memory was 76.6 MB in the beginning and 76.5 MB in the end (delta: 75.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:48:24,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.69 ms. Allocated memory is still 96.5 MB. Free memory was 59.1 MB in the beginning and 70.3 MB in the end (delta: -11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:48:24,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 96.5 MB. Free memory was 76.6 MB in the beginning and 76.5 MB in the end (delta: 75.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 528.69 ms. Allocated memory is still 96.5 MB. Free memory was 59.1 MB in the beginning and 70.3 MB in the end (delta: -11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 520]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:48:26,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:48:26,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:48:26,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:48:26,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:48:26,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:48:26,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:48:26,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:48:26,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:48:26,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:48:26,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:48:26,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:48:26,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:48:26,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:48:26,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:48:26,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:48:26,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:48:26,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:48:26,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:48:26,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:48:26,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:48:26,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:48:26,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:48:26,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:48:26,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:48:26,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:48:26,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:48:26,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:48:26,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:48:26,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:48:26,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:48:26,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:48:26,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:48:26,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:48:26,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:48:26,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:48:26,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:48:26,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:48:26,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:48:26,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:48:26,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:48:26,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:48:27,039 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:48:27,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:48:27,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:48:27,043 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:48:27,043 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:48:27,043 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:48:27,044 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:48:27,044 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:48:27,045 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:48:27,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:48:27,050 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:48:27,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:48:27,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:48:27,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:48:27,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:48:27,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:48:27,052 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:48:27,052 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:48:27,053 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:48:27,053 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:48:27,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:48:27,053 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:48:27,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:48:27,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:48:27,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:48:27,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:48:27,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:48:27,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:48:27,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:48:27,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:48:27,056 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:48:27,057 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:48:27,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:48:27,057 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:48:27,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:48:27,058 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_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfd5986b9c6081aba994f88e5d05d10fdc0f15ef14be4c1b5ef95a6415946c3 [2021-10-29 05:48:27,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:48:27,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:48:27,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:48:27,541 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:48:27,544 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:48:27,545 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2021-10-29 05:48:27,630 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/data/5721bcc6d/5dc38d18c82c44bfa0a1dbd37b778cfd/FLAGeb625b40b [2021-10-29 05:48:28,402 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:48:28,403 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2021-10-29 05:48:28,435 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/data/5721bcc6d/5dc38d18c82c44bfa0a1dbd37b778cfd/FLAGeb625b40b [2021-10-29 05:48:28,638 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/data/5721bcc6d/5dc38d18c82c44bfa0a1dbd37b778cfd [2021-10-29 05:48:28,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:48:28,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:48:28,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:48:28,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:48:28,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:48:28,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:48:28" (1/1) ... [2021-10-29 05:48:28,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34fa6753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:28, skipping insertion in model container [2021-10-29 05:48:28,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:48:28" (1/1) ... [2021-10-29 05:48:28,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:48:28,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:48:29,176 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_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c[17861,17874] [2021-10-29 05:48:29,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:48:29,195 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:48:29,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:48:29,303 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_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c[17861,17874] [2021-10-29 05:48:29,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:48:29,310 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:48:29,425 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_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c[17861,17874] [2021-10-29 05:48:29,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:48:29,451 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:48:29,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:29 WrapperNode [2021-10-29 05:48:29,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:48:29,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:48:29,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:48:29,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:48:29,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:29" (1/1) ... [2021-10-29 05:48:29,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:29" (1/1) ... [2021-10-29 05:48:29,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:48:29,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:48:29,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:48:29,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:48:29,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:29" (1/1) ... [2021-10-29 05:48:29,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:29" (1/1) ... [2021-10-29 05:48:29,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:29" (1/1) ... [2021-10-29 05:48:29,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:29" (1/1) ... [2021-10-29 05:48:29,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:29" (1/1) ... [2021-10-29 05:48:29,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:29" (1/1) ... [2021-10-29 05:48:29,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:29" (1/1) ... [2021-10-29 05:48:29,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:48:29,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:48:29,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:48:29,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:48:29,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:29" (1/1) ... [2021-10-29 05:48:29,636 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:48:29,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:48:29,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:48:29,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:48:29,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:48:29,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:48:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:48:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:48:32,555 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:48:32,556 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-29 05:48:32,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:48:32 BoogieIcfgContainer [2021-10-29 05:48:32,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:48:32,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:48:32,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:48:32,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:48:32,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:48:28" (1/3) ... [2021-10-29 05:48:32,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9e8771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:48:32, skipping insertion in model container [2021-10-29 05:48:32,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:29" (2/3) ... [2021-10-29 05:48:32,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9e8771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:48:32, skipping insertion in model container [2021-10-29 05:48:32,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:48:32" (3/3) ... [2021-10-29 05:48:32,570 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product26.cil.c [2021-10-29 05:48:32,577 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:48:32,577 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:48:32,654 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:48:32,665 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:48:32,666 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:48:32,688 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:48:32,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 05:48:32,699 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:48:32,700 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:48:32,701 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:48:32,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:48:32,715 INFO L85 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2021-10-29 05:48:32,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:48:32,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1080591085] [2021-10-29 05:48:32,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:48:32,732 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:48:32,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:48:32,736 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:48:32,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:48:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:48:33,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:48:33,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:48:33,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:48:33,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:48:33,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:48:33,217 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:48:33,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1080591085] [2021-10-29 05:48:33,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1080591085] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:48:33,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:48:33,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:48:33,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102100094] [2021-10-29 05:48:33,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:48:33,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:48:33,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:48:33,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:48:33,258 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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) [2021-10-29 05:48:33,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:48:33,296 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-10-29 05:48:33,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:48:33,297 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 [2021-10-29 05:48:33,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:48:33,310 INFO L225 Difference]: With dead ends: 144 [2021-10-29 05:48:33,310 INFO L226 Difference]: Without dead ends: 71 [2021-10-29 05:48:33,314 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 [2021-10-29 05:48:33,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-29 05:48:33,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-29 05:48:33,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 68 states have (on average 1.4558823529411764) internal successors, (99), 70 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:48:33,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-29 05:48:33,362 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-10-29 05:48:33,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:48:33,363 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-29 05:48:33,363 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) [2021-10-29 05:48:33,363 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-29 05:48:33,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 05:48:33,365 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:48:33,365 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:48:33,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:48:33,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:48:33,581 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:48:33,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:48:33,583 INFO L85 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2021-10-29 05:48:33,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:48:33,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1143304115] [2021-10-29 05:48:33,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:48:33,585 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:48:33,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:48:33,586 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:48:33,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:48:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:48:33,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:48:33,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:48:33,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:48:33,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:48:34,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:48:34,005 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:48:34,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1143304115] [2021-10-29 05:48:34,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1143304115] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:48:34,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:48:34,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:48:34,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31305856] [2021-10-29 05:48:34,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:48:34,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:48:34,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:48:34,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:48:34,010 INFO L87 Difference]: Start difference. First operand 71 states and 99 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) [2021-10-29 05:48:34,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:48:34,026 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-10-29 05:48:34,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:48:34,027 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 [2021-10-29 05:48:34,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:48:34,029 INFO L225 Difference]: With dead ends: 71 [2021-10-29 05:48:34,029 INFO L226 Difference]: Without dead ends: 33 [2021-10-29 05:48:34,030 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 [2021-10-29 05:48:34,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-29 05:48:34,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-29 05:48:34,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:48:34,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-29 05:48:34,037 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-29 05:48:34,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:48:34,038 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-29 05:48:34,038 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) [2021-10-29 05:48:34,038 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-29 05:48:34,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 05:48:34,040 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:48:34,040 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] [2021-10-29 05:48:34,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:48:34,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:48:34,260 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:48:34,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:48:34,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2021-10-29 05:48:34,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:48:34,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393156364] [2021-10-29 05:48:34,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:48:34,263 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:48:34,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:48:34,264 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:48:34,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:48:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:48:34,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:48:34,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:48:34,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:48:34,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:48:34,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:48:34,707 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:48:34,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393156364] [2021-10-29 05:48:34,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1393156364] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:48:34,708 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:48:34,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:48:34,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368951684] [2021-10-29 05:48:34,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:48:34,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:48:34,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:48:34,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:48:34,713 INFO L87 Difference]: Start difference. First operand 33 states and 46 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) [2021-10-29 05:48:34,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:48:34,758 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-10-29 05:48:34,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:48:34,760 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 [2021-10-29 05:48:34,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:48:34,761 INFO L225 Difference]: With dead ends: 60 [2021-10-29 05:48:34,761 INFO L226 Difference]: Without dead ends: 33 [2021-10-29 05:48:34,762 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 [2021-10-29 05:48:34,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-29 05:48:34,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-29 05:48:34,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:48:34,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-29 05:48:34,770 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-10-29 05:48:34,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:48:34,770 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-29 05:48:34,771 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) [2021-10-29 05:48:34,771 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-29 05:48:34,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 05:48:34,772 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:48:34,772 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] [2021-10-29 05:48:34,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-10-29 05:48:34,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:48:34,989 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:48:34,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:48:34,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2021-10-29 05:48:34,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:48:34,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792266716] [2021-10-29 05:48:34,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:48:34,991 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:48:34,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:48:34,993 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:48:35,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:48:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:48:35,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:48:35,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:48:35,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:48:35,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:48:35,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:48:35,499 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:48:35,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1792266716] [2021-10-29 05:48:35,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1792266716] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:48:35,500 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:48:35,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:48:35,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079518646] [2021-10-29 05:48:35,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:48:35,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:48:35,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:48:35,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:48:35,506 INFO L87 Difference]: Start difference. First operand 33 states and 45 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) [2021-10-29 05:48:35,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:48:35,640 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-10-29 05:48:35,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 05:48:35,641 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 [2021-10-29 05:48:35,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:48:35,649 INFO L225 Difference]: With dead ends: 151 [2021-10-29 05:48:35,649 INFO L226 Difference]: Without dead ends: 124 [2021-10-29 05:48:35,650 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 [2021-10-29 05:48:35,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-29 05:48:35,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2021-10-29 05:48:35,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 55 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:48:35,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2021-10-29 05:48:35,679 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2021-10-29 05:48:35,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:48:35,679 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2021-10-29 05:48:35,680 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) [2021-10-29 05:48:35,680 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2021-10-29 05:48:35,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:48:35,682 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:48:35,683 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] [2021-10-29 05:48:35,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:48:35,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:48:35,898 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:48:35,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:48:35,899 INFO L85 PathProgramCache]: Analyzing trace with hash 710187059, now seen corresponding path program 1 times [2021-10-29 05:48:35,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:48:35,900 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1971719858] [2021-10-29 05:48:35,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:48:35,901 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:48:35,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:48:35,902 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:48:35,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:48:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:48:36,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:48:36,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:48:36,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:48:36,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:48:36,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:48:36,357 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:48:36,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1971719858] [2021-10-29 05:48:36,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1971719858] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:48:36,363 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:48:36,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:48:36,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731915426] [2021-10-29 05:48:36,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:48:36,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:48:36,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:48:36,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:48:36,368 INFO L87 Difference]: Start difference. First operand 56 states and 78 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) [2021-10-29 05:48:36,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:48:36,491 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2021-10-29 05:48:36,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:48:36,494 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 [2021-10-29 05:48:36,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:48:36,494 INFO L225 Difference]: With dead ends: 148 [2021-10-29 05:48:36,495 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:48:36,499 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 [2021-10-29 05:48:36,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:48:36,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:48:36,501 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) [2021-10-29 05:48:36,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:48:36,502 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-29 05:48:36,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:48:36,502 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:48:36,502 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) [2021-10-29 05:48:36,503 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:48:36,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:48:36,507 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:48:36,507 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:48:36,508 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:48:36,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:48:36,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:48:36,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:48:36,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:36,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:48:37,133 INFO L857 garLoopResultBuilder]: For program point L101-6(lines 101 105) no Hoare annotation was computed. [2021-10-29 05:48:37,133 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 929) no Hoare annotation was computed. [2021-10-29 05:48:37,134 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 884) no Hoare annotation was computed. [2021-10-29 05:48:37,134 INFO L853 garLoopResultBuilder]: At program point L878-1(lines 878 884) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:48:37,134 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:48:37,134 INFO L857 garLoopResultBuilder]: For program point L929(line 929) no Hoare annotation was computed. [2021-10-29 05:48:37,134 INFO L857 garLoopResultBuilder]: For program point L929-1(line 929) no Hoare annotation was computed. [2021-10-29 05:48:37,135 INFO L857 garLoopResultBuilder]: For program point L929-2(line 929) no Hoare annotation was computed. [2021-10-29 05:48:37,135 INFO L853 garLoopResultBuilder]: At program point L138(lines 133 141) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:48:37,135 INFO L853 garLoopResultBuilder]: At program point L138-1(lines 133 141) the Hoare annotation is: false [2021-10-29 05:48:37,135 INFO L853 garLoopResultBuilder]: At program point L138-2(lines 133 141) the Hoare annotation is: false [2021-10-29 05:48:37,135 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 911) no Hoare annotation was computed. [2021-10-29 05:48:37,135 INFO L857 garLoopResultBuilder]: For program point L353(lines 353 370) no Hoare annotation was computed. [2021-10-29 05:48:37,136 INFO L857 garLoopResultBuilder]: For program point L353-1(lines 353 370) no Hoare annotation was computed. [2021-10-29 05:48:37,136 INFO L857 garLoopResultBuilder]: For program point L353-2(lines 353 370) no Hoare annotation was computed. [2021-10-29 05:48:37,137 INFO L853 garLoopResultBuilder]: At program point L321(lines 320 339) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:48:37,137 INFO L857 garLoopResultBuilder]: For program point L321-1(lines 321 327) no Hoare annotation was computed. [2021-10-29 05:48:37,137 INFO L853 garLoopResultBuilder]: At program point L321-2(lines 320 339) the Hoare annotation is: false [2021-10-29 05:48:37,137 INFO L853 garLoopResultBuilder]: At program point L321-3(lines 320 339) the Hoare annotation is: false [2021-10-29 05:48:37,138 INFO L853 garLoopResultBuilder]: At program point L916(lines 867 917) the Hoare annotation is: false [2021-10-29 05:48:37,138 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:48:37,138 INFO L860 garLoopResultBuilder]: At program point L306(lines 287 309) the Hoare annotation is: true [2021-10-29 05:48:37,138 INFO L853 garLoopResultBuilder]: At program point L273(lines 269 275) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:48:37,139 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 932) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:48:37,139 INFO L853 garLoopResultBuilder]: At program point L224-2(lines 224 238) the Hoare annotation is: false [2021-10-29 05:48:37,139 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 129) no Hoare annotation was computed. [2021-10-29 05:48:37,140 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 929) no Hoare annotation was computed. [2021-10-29 05:48:37,140 INFO L857 garLoopResultBuilder]: For program point L869(lines 868 915) no Hoare annotation was computed. [2021-10-29 05:48:37,140 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 365) no Hoare annotation was computed. [2021-10-29 05:48:37,140 INFO L857 garLoopResultBuilder]: For program point L357-1(lines 357 365) no Hoare annotation was computed. [2021-10-29 05:48:37,140 INFO L857 garLoopResultBuilder]: For program point L357-2(lines 357 365) no Hoare annotation was computed. [2021-10-29 05:48:37,141 INFO L857 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2021-10-29 05:48:37,141 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 477) no Hoare annotation was computed. [2021-10-29 05:48:37,141 INFO L857 garLoopResultBuilder]: For program point L473-2(lines 473 477) no Hoare annotation was computed. [2021-10-29 05:48:37,141 INFO L857 garLoopResultBuilder]: For program point L473-3(lines 473 477) no Hoare annotation was computed. [2021-10-29 05:48:37,142 INFO L857 garLoopResultBuilder]: For program point L473-5(lines 473 477) no Hoare annotation was computed. [2021-10-29 05:48:37,142 INFO L857 garLoopResultBuilder]: For program point L473-6(lines 473 477) no Hoare annotation was computed. [2021-10-29 05:48:37,142 INFO L857 garLoopResultBuilder]: For program point L473-8(lines 473 477) no Hoare annotation was computed. [2021-10-29 05:48:37,142 INFO L853 garLoopResultBuilder]: At program point L424(lines 419 427) 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)) [2021-10-29 05:48:37,143 INFO L853 garLoopResultBuilder]: At program point L424-1(lines 419 427) the Hoare annotation is: false [2021-10-29 05:48:37,143 INFO L857 garLoopResultBuilder]: For program point L870(lines 870 874) no Hoare annotation was computed. [2021-10-29 05:48:37,143 INFO L853 garLoopResultBuilder]: At program point L424-2(lines 419 427) the Hoare annotation is: false [2021-10-29 05:48:37,143 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:48:37,144 INFO L857 garLoopResultBuilder]: For program point L194(lines 194 207) no Hoare annotation was computed. [2021-10-29 05:48:37,144 INFO L853 garLoopResultBuilder]: At program point L194-1(lines 1 932) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:48:37,144 INFO L857 garLoopResultBuilder]: For program point L194-2(lines 194 207) no Hoare annotation was computed. [2021-10-29 05:48:37,144 INFO L853 garLoopResultBuilder]: At program point L194-3(lines 1 932) the Hoare annotation is: false [2021-10-29 05:48:37,145 INFO L857 garLoopResultBuilder]: For program point L194-4(lines 194 207) no Hoare annotation was computed. [2021-10-29 05:48:37,145 INFO L853 garLoopResultBuilder]: At program point L194-5(lines 1 932) the Hoare annotation is: false [2021-10-29 05:48:37,145 INFO L857 garLoopResultBuilder]: For program point L888(lines 888 894) no Hoare annotation was computed. [2021-10-29 05:48:37,145 INFO L853 garLoopResultBuilder]: At program point L888-1(lines 888 894) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:48:37,146 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 232) no Hoare annotation was computed. [2021-10-29 05:48:37,146 INFO L857 garLoopResultBuilder]: For program point L228-1(lines 321 327) no Hoare annotation was computed. [2021-10-29 05:48:37,146 INFO L853 garLoopResultBuilder]: At program point L179(lines 174 182) the Hoare annotation is: false [2021-10-29 05:48:37,146 INFO L853 garLoopResultBuilder]: At program point L179-1(lines 174 182) the Hoare annotation is: false [2021-10-29 05:48:37,147 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 117) no Hoare annotation was computed. [2021-10-29 05:48:37,147 INFO L853 garLoopResultBuilder]: At program point L179-2(lines 174 182) the Hoare annotation is: false [2021-10-29 05:48:37,147 INFO L857 garLoopResultBuilder]: For program point L906(lines 906 910) no Hoare annotation was computed. [2021-10-29 05:48:37,147 INFO L853 garLoopResultBuilder]: At program point L906-2(lines 321 327) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:48:37,148 INFO L853 garLoopResultBuilder]: At program point L328(lines 328 334) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:48:37,148 INFO L853 garLoopResultBuilder]: At program point L328-1(lines 328 334) the Hoare annotation is: false [2021-10-29 05:48:37,148 INFO L853 garLoopResultBuilder]: At program point L328-2(lines 328 334) the Hoare annotation is: false [2021-10-29 05:48:37,148 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:48:37,149 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 929) no Hoare annotation was computed. [2021-10-29 05:48:37,149 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 304) no Hoare annotation was computed. [2021-10-29 05:48:37,149 INFO L860 garLoopResultBuilder]: At program point L297-1(lines 297 304) the Hoare annotation is: true [2021-10-29 05:48:37,149 INFO L857 garLoopResultBuilder]: For program point L198(lines 198 204) no Hoare annotation was computed. [2021-10-29 05:48:37,150 INFO L857 garLoopResultBuilder]: For program point L198-2(lines 198 204) no Hoare annotation was computed. [2021-10-29 05:48:37,150 INFO L857 garLoopResultBuilder]: For program point L198-4(lines 198 204) no Hoare annotation was computed. [2021-10-29 05:48:37,150 INFO L853 garLoopResultBuilder]: At program point L479(lines 464 482) the Hoare annotation is: false [2021-10-29 05:48:37,150 INFO L853 garLoopResultBuilder]: At program point L479-1(lines 464 482) the Hoare annotation is: false [2021-10-29 05:48:37,151 INFO L853 garLoopResultBuilder]: At program point L479-2(lines 464 482) the Hoare annotation is: false [2021-10-29 05:48:37,151 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:48:37,151 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2021-10-29 05:48:37,152 INFO L857 garLoopResultBuilder]: For program point L101-3(lines 101 105) no Hoare annotation was computed. [2021-10-29 05:48:37,156 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-29 05:48:37,158 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:48:37,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:48:37 BoogieIcfgContainer [2021-10-29 05:48:37,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:48:37,179 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:48:37,179 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:48:37,179 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:48:37,180 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:48:32" (3/4) ... [2021-10-29 05:48:37,184 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:48:37,203 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 05:48:37,204 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 05:48:37,205 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 05:48:37,206 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 05:48:37,207 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:48:37,207 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:48:37,208 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:48:37,242 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-29 05:48:37,283 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:48:37,283 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:48:37,285 INFO L168 Benchmark]: Toolchain (without parser) took 8641.20 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.0 MB in the beginning and 38.0 MB in the end (delta: -2.0 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:48:37,286 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 58.7 MB. Free memory is still 38.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:48:37,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.16 ms. Allocated memory is still 58.7 MB. Free memory was 35.8 MB in the beginning and 26.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:48:37,287 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.89 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 26.2 MB in the beginning and 51.7 MB in the end (delta: -25.5 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:48:37,288 INFO L168 Benchmark]: Boogie Preprocessor took 51.86 ms. Allocated memory is still 71.3 MB. Free memory was 51.7 MB in the beginning and 49.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:48:37,288 INFO L168 Benchmark]: RCFGBuilder took 2933.73 ms. Allocated memory is still 71.3 MB. Free memory was 49.6 MB in the beginning and 38.7 MB in the end (delta: 10.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:48:37,289 INFO L168 Benchmark]: TraceAbstraction took 4616.73 ms. Allocated memory is still 71.3 MB. Free memory was 38.3 MB in the beginning and 44.3 MB in the end (delta: -6.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:48:37,289 INFO L168 Benchmark]: Witness Printer took 104.74 ms. Allocated memory is still 71.3 MB. Free memory was 44.3 MB in the beginning and 38.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:48:37,292 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 58.7 MB. Free memory is still 38.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 808.16 ms. Allocated memory is still 58.7 MB. Free memory was 35.8 MB in the beginning and 26.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 117.89 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 26.2 MB in the beginning and 51.7 MB in the end (delta: -25.5 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.86 ms. Allocated memory is still 71.3 MB. Free memory was 51.7 MB in the beginning and 49.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2933.73 ms. Allocated memory is still 71.3 MB. Free memory was 49.6 MB in the beginning and 38.7 MB in the end (delta: 10.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4616.73 ms. Allocated memory is still 71.3 MB. Free memory was 38.3 MB in the beginning and 44.3 MB in the end (delta: -6.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * Witness Printer took 104.74 ms. Allocated memory is still 71.3 MB. Free memory was 44.3 MB in the beginning and 38.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 929]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 929]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 929]: 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, 75 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 311 SDtfs, 367 SDslu, 269 SDs, 0 SdLazy, 39 SolverSat, 11 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=75occurred 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, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1295 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.0s 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: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 05:48:37,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34c2e7-2910-49dc-ba70-769da3dd6cf4/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...