./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.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_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/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_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/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_5e441f09-cc63-4f05-b370-7188ef52e8b3/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 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 ............................................................................................................................................ 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_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/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_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/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_5e441f09-cc63-4f05-b370-7188ef52e8b3/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 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 05:16:06,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:16:06,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:16:06,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:16:06,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:16:06,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:16:06,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:16:06,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:16:06,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:16:06,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:16:06,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:16:06,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:16:06,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:16:06,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:16:06,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:16:06,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:16:06,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:16:06,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:16:06,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:16:06,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:16:06,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:16:06,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:16:06,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:16:06,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:16:06,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:16:06,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:16:06,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:16:06,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:16:06,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:16:06,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:16:06,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:16:06,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:16:06,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:16:06,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:16:06,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:16:06,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:16:06,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:16:06,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:16:06,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:16:06,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:16:06,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:16:06,906 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:16:06,932 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:16:06,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:16:06,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:16:06,933 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:16:06,934 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:16:06,934 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:16:06,934 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:16:06,934 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:16:06,935 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:16:06,935 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:16:06,935 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:16:06,935 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:16:06,936 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:16:06,936 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:16:06,936 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:16:06,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:16:06,937 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:16:06,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:16:06,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:16:06,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:16:06,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:16:06,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:16:06,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:16:06,939 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:16:06,939 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:16:06,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:16:06,939 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:16:06,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:16:06,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:16:06,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:16:06,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:16:06,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:16:06,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:16:06,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:16:06,941 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:16:06,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:16:06,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:16:06,942 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:16:06,942 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:16:06,943 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_5e441f09-cc63-4f05-b370-7188ef52e8b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 [2021-10-29 05:16:07,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:16:07,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:16:07,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:16:07,304 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:16:07,305 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:16:07,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2021-10-29 05:16:07,375 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/data/e85fdeb10/39f4502fa96c456887c85452426236d7/FLAG44847cf69 [2021-10-29 05:16:08,053 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:16:08,066 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2021-10-29 05:16:08,084 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/data/e85fdeb10/39f4502fa96c456887c85452426236d7/FLAG44847cf69 [2021-10-29 05:16:08,317 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/data/e85fdeb10/39f4502fa96c456887c85452426236d7 [2021-10-29 05:16:08,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:16:08,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:16:08,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:16:08,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:16:08,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:16:08,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:16:08" (1/1) ... [2021-10-29 05:16:08,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c377085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:16:08, skipping insertion in model container [2021-10-29 05:16:08,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:16:08" (1/1) ... [2021-10-29 05:16:08,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:16:08,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:16:08,760 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_5e441f09-cc63-4f05-b370-7188ef52e8b3/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c[6162,6175] [2021-10-29 05:16:08,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:16:08,897 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 05:16:08,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43eb72fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:16:08, skipping insertion in model container [2021-10-29 05:16:08,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:16:08,900 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:16:08,902 INFO L168 Benchmark]: Toolchain (without parser) took 579.30 ms. Allocated memory is still 119.5 MB. Free memory was 80.7 MB in the beginning and 89.3 MB in the end (delta: -8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:16:08,904 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 119.5 MB. Free memory is still 97.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:16:08,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.44 ms. Allocated memory is still 119.5 MB. Free memory was 80.4 MB in the beginning and 89.8 MB in the end (delta: -9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:16:08,908 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 119.5 MB. Free memory is still 97.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 575.44 ms. Allocated memory is still 119.5 MB. Free memory was 80.4 MB in the beginning and 89.8 MB in the end (delta: -9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 434]: 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 05:16:11,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:16:11,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:16:11,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:16:11,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:16:11,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:16:11,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:16:11,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:16:11,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:16:11,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:16:11,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:16:11,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:16:11,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:16:11,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:16:11,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:16:11,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:16:11,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:16:11,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:16:11,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:16:11,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:16:11,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:16:11,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:16:11,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:16:11,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:16:11,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:16:11,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:16:11,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:16:11,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:16:11,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:16:11,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:16:11,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:16:11,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:16:11,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:16:11,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:16:11,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:16:11,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:16:11,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:16:11,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:16:11,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:16:11,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:16:11,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:16:11,519 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:16:11,566 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:16:11,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:16:11,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:16:11,568 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:16:11,568 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:16:11,569 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:16:11,569 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:16:11,569 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:16:11,569 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:16:11,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:16:11,572 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:16:11,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:16:11,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:16:11,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:16:11,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:16:11,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:16:11,574 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:16:11,574 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:16:11,574 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:16:11,575 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:16:11,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:16:11,575 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:16:11,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:16:11,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:16:11,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:16:11,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:16:11,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:16:11,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:16:11,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:16:11,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:16:11,577 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:16:11,578 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:16:11,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:16:11,578 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:16:11,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:16:11,579 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_5e441f09-cc63-4f05-b370-7188ef52e8b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 [2021-10-29 05:16:11,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:16:11,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:16:11,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:16:12,001 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:16:12,001 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:16:12,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2021-10-29 05:16:12,091 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/data/b950ffcea/bc6e4bb8fdf043f0b6888864d7334aaa/FLAG1bb23cc16 [2021-10-29 05:16:12,792 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:16:12,795 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2021-10-29 05:16:12,813 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/data/b950ffcea/bc6e4bb8fdf043f0b6888864d7334aaa/FLAG1bb23cc16 [2021-10-29 05:16:13,067 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/data/b950ffcea/bc6e4bb8fdf043f0b6888864d7334aaa [2021-10-29 05:16:13,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:16:13,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:16:13,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:16:13,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:16:13,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:16:13,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:16:13" (1/1) ... [2021-10-29 05:16:13,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732bddb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:16:13, skipping insertion in model container [2021-10-29 05:16:13,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:16:13" (1/1) ... [2021-10-29 05:16:13,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:16:13,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:16:13,377 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_5e441f09-cc63-4f05-b370-7188ef52e8b3/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c[6162,6175] [2021-10-29 05:16:13,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:16:13,487 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:16:13,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:16:13,540 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_5e441f09-cc63-4f05-b370-7188ef52e8b3/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c[6162,6175] [2021-10-29 05:16:13,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:16:13,619 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:16:13,667 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_5e441f09-cc63-4f05-b370-7188ef52e8b3/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c[6162,6175] [2021-10-29 05:16:13,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:16:13,737 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:16:13,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:16:13 WrapperNode [2021-10-29 05:16:13,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:16:13,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:16:13,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:16:13,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:16:13,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:16:13" (1/1) ... [2021-10-29 05:16:13,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:16:13" (1/1) ... [2021-10-29 05:16:13,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:16:13,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:16:13,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:16:13,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:16:13,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:16:13" (1/1) ... [2021-10-29 05:16:13,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:16:13" (1/1) ... [2021-10-29 05:16:13,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:16:13" (1/1) ... [2021-10-29 05:16:13,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:16:13" (1/1) ... [2021-10-29 05:16:13,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:16:13" (1/1) ... [2021-10-29 05:16:13,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:16:13" (1/1) ... [2021-10-29 05:16:13,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:16:13" (1/1) ... [2021-10-29 05:16:13,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:16:13,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:16:13,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:16:13,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:16:13,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:16:13" (1/1) ... [2021-10-29 05:16:13,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:16:13,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:16:13,931 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:16:13,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:16:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:16:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:16:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:16:13,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:16:16,324 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:16:16,325 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-29 05:16:16,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:16:16 BoogieIcfgContainer [2021-10-29 05:16:16,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:16:16,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:16:16,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:16:16,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:16:16,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:16:13" (1/3) ... [2021-10-29 05:16:16,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539a267a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:16:16, skipping insertion in model container [2021-10-29 05:16:16,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:16:13" (2/3) ... [2021-10-29 05:16:16,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539a267a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:16:16, skipping insertion in model container [2021-10-29 05:16:16,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:16:16" (3/3) ... [2021-10-29 05:16:16,347 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product07.cil.c [2021-10-29 05:16:16,353 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:16:16,354 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:16:16,418 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:16:16,424 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 05:16:16,424 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:16:16,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5774647887323943) internal successors, (112), 74 states have internal predecessors, (112), 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 05:16:16,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 05:16:16,447 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:16:16,449 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:16:16,449 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 05:16:16,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:16:16,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1574942692, now seen corresponding path program 1 times [2021-10-29 05:16:16,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:16:16,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156740300] [2021-10-29 05:16:16,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:16:16,476 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:16:16,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:16:16,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:16:16,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:16:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:16:16,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:16:16,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:16:16,895 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 05:16:16,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:16:16,978 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 05:16:16,981 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:16:16,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156740300] [2021-10-29 05:16:16,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [156740300] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:16:16,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:16:16,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:16:16,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185002800] [2021-10-29 05:16:16,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:16:16,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:16:17,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:16:17,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:16:17,011 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5774647887323943) internal successors, (112), 74 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:16:17,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:16:17,058 INFO L93 Difference]: Finished difference Result 143 states and 216 transitions. [2021-10-29 05:16:17,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:16:17,059 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-29 05:16:17,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:16:17,071 INFO L225 Difference]: With dead ends: 143 [2021-10-29 05:16:17,071 INFO L226 Difference]: Without dead ends: 71 [2021-10-29 05:16:17,075 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:16:17,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-29 05:16:17,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-29 05:16:17,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 68 states have (on average 1.4705882352941178) internal successors, (100), 70 states have internal predecessors, (100), 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 05:16:17,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2021-10-29 05:16:17,144 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2021-10-29 05:16:17,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:16:17,144 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2021-10-29 05:16:17,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:16:17,145 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2021-10-29 05:16:17,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 05:16:17,147 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:16:17,147 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:16:17,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:16:17,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:16:17,364 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 05:16:17,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:16:17,365 INFO L85 PathProgramCache]: Analyzing trace with hash -562353309, now seen corresponding path program 1 times [2021-10-29 05:16:17,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:16:17,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [668990457] [2021-10-29 05:16:17,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:16:17,366 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:16:17,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:16:17,370 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:16:17,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:16:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:16:17,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:16:17,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:16:17,690 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 05:16:17,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:16:17,759 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 05:16:17,760 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:16:17,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [668990457] [2021-10-29 05:16:17,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [668990457] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:16:17,761 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:16:17,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:16:17,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308361737] [2021-10-29 05:16:17,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:16:17,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:16:17,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:16:17,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:16:17,768 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:16:17,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:16:17,804 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2021-10-29 05:16:17,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:16:17,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-29 05:16:17,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:16:17,806 INFO L225 Difference]: With dead ends: 71 [2021-10-29 05:16:17,807 INFO L226 Difference]: Without dead ends: 35 [2021-10-29 05:16:17,808 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:16:17,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-29 05:16:17,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-29 05:16:17,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:16:17,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-29 05:16:17,822 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-29 05:16:17,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:16:17,822 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-29 05:16:17,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:16:17,823 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-29 05:16:17,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:16:17,826 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:16:17,830 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 05:16:17,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:16:18,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:16:18,043 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 05:16:18,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:16:18,044 INFO L85 PathProgramCache]: Analyzing trace with hash 369120319, now seen corresponding path program 1 times [2021-10-29 05:16:18,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:16:18,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [838746831] [2021-10-29 05:16:18,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:16:18,045 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:16:18,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:16:18,053 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:16:18,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:16:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:16:18,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:16:18,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:16:18,363 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 05:16:18,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:16:18,469 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 05:16:18,470 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:16:18,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [838746831] [2021-10-29 05:16:18,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [838746831] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:16:18,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:16:18,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:16:18,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779465975] [2021-10-29 05:16:18,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:16:18,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:16:18,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:16:18,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:16:18,474 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 05:16:18,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:16:18,497 INFO L93 Difference]: Finished difference Result 115 states and 169 transitions. [2021-10-29 05:16:18,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:16:18,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 05:16:18,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:16:18,500 INFO L225 Difference]: With dead ends: 115 [2021-10-29 05:16:18,500 INFO L226 Difference]: Without dead ends: 87 [2021-10-29 05:16:18,500 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:16:18,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-29 05:16:18,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 55. [2021-10-29 05:16:18,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4814814814814814) internal successors, (80), 54 states have internal predecessors, (80), 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 05:16:18,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 80 transitions. [2021-10-29 05:16:18,512 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 80 transitions. Word has length 24 [2021-10-29 05:16:18,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:16:18,513 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 80 transitions. [2021-10-29 05:16:18,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 05:16:18,513 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2021-10-29 05:16:18,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 05:16:18,514 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:16:18,515 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, 1] [2021-10-29 05:16:18,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:16:18,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:16:18,729 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 05:16:18,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:16:18,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1510483975, now seen corresponding path program 1 times [2021-10-29 05:16:18,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:16:18,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787959283] [2021-10-29 05:16:18,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:16:18,732 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:16:18,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:16:18,733 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:16:18,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:16:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:16:18,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:16:18,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:16:19,040 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 05:16:19,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:16:19,138 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 05:16:19,138 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:16:19,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787959283] [2021-10-29 05:16:19,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1787959283] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:16:19,139 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:16:19,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:16:19,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628667330] [2021-10-29 05:16:19,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:16:19,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:16:19,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:16:19,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:16:19,141 INFO L87 Difference]: Start difference. First operand 55 states and 80 transitions. Second operand has 5 states, 5 states have (on average 5.0) 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 05:16:19,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:16:19,278 INFO L93 Difference]: Finished difference Result 242 states and 372 transitions. [2021-10-29 05:16:19,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 05:16:19,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) 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 25 [2021-10-29 05:16:19,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:16:19,282 INFO L225 Difference]: With dead ends: 242 [2021-10-29 05:16:19,282 INFO L226 Difference]: Without dead ends: 194 [2021-10-29 05:16:19,283 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:16:19,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-10-29 05:16:19,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 95. [2021-10-29 05:16:19,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.4680851063829787) internal successors, (138), 94 states have internal predecessors, (138), 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 05:16:19,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 138 transitions. [2021-10-29 05:16:19,302 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 138 transitions. Word has length 25 [2021-10-29 05:16:19,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:16:19,302 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 138 transitions. [2021-10-29 05:16:19,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) 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 05:16:19,303 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2021-10-29 05:16:19,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 05:16:19,304 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:16:19,304 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, 1, 1] [2021-10-29 05:16:19,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:16:19,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:16:19,517 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 05:16:19,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:16:19,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1404713871, now seen corresponding path program 1 times [2021-10-29 05:16:19,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:16:19,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1143257945] [2021-10-29 05:16:19,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:16:19,519 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:16:19,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:16:19,520 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:16:19,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:16:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:16:19,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:16:19,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:16:19,833 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 05:16:19,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:16:19,894 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 05:16:19,895 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:16:19,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1143257945] [2021-10-29 05:16:19,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1143257945] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:16:19,900 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:16:19,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:16:19,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81071330] [2021-10-29 05:16:19,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:16:19,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:16:19,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:16:19,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:16:19,903 INFO L87 Difference]: Start difference. First operand 95 states and 138 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 05:16:20,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:16:20,032 INFO L93 Difference]: Finished difference Result 285 states and 424 transitions. [2021-10-29 05:16:20,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:16:20,033 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 26 [2021-10-29 05:16:20,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:16:20,034 INFO L225 Difference]: With dead ends: 285 [2021-10-29 05:16:20,034 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:16:20,038 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:16:20,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:16:20,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:16:20,039 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 05:16:20,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:16:20,040 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-29 05:16:20,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:16:20,040 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:16:20,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 05:16:20,041 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:16:20,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:16:20,044 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:16:20,044 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:16:20,045 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:16:20,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:16:20,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:16:20,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:16:20,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:16:20,646 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 401) no Hoare annotation was computed. [2021-10-29 05:16:20,646 INFO L853 garLoopResultBuilder]: At program point L350(lines 301 351) the Hoare annotation is: false [2021-10-29 05:16:20,646 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:16:20,647 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-10-29 05:16:20,647 INFO L853 garLoopResultBuilder]: At program point L235(lines 230 238) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:16:20,647 INFO L853 garLoopResultBuilder]: At program point L235-1(lines 230 238) the Hoare annotation is: false [2021-10-29 05:16:20,647 INFO L853 garLoopResultBuilder]: At program point L235-2(lines 230 238) the Hoare annotation is: false [2021-10-29 05:16:20,647 INFO L853 garLoopResultBuilder]: At program point L384(lines 1 907) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:16:20,647 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 194) no Hoare annotation was computed. [2021-10-29 05:16:20,647 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 186 194) no Hoare annotation was computed. [2021-10-29 05:16:20,647 INFO L857 garLoopResultBuilder]: For program point L186-2(lines 186 194) no Hoare annotation was computed. [2021-10-29 05:16:20,648 INFO L857 garLoopResultBuilder]: For program point L401(line 401) no Hoare annotation was computed. [2021-10-29 05:16:20,648 INFO L857 garLoopResultBuilder]: For program point L401-1(line 401) no Hoare annotation was computed. [2021-10-29 05:16:20,648 INFO L857 garLoopResultBuilder]: For program point L401-2(line 401) no Hoare annotation was computed. [2021-10-29 05:16:20,648 INFO L853 garLoopResultBuilder]: At program point L831(lines 827 833) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:16:20,648 INFO L857 garLoopResultBuilder]: For program point L303(lines 302 349) no Hoare annotation was computed. [2021-10-29 05:16:20,648 INFO L860 garLoopResultBuilder]: At program point L865(lines 846 868) the Hoare annotation is: true [2021-10-29 05:16:20,648 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 308) no Hoare annotation was computed. [2021-10-29 05:16:20,648 INFO L853 garLoopResultBuilder]: At program point L783-2(lines 783 797) the Hoare annotation is: false [2021-10-29 05:16:20,649 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 344) no Hoare annotation was computed. [2021-10-29 05:16:20,649 INFO L853 garLoopResultBuilder]: At program point L338-1(lines 150 156) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:16:20,649 INFO L857 garLoopResultBuilder]: For program point L784(line 784) no Hoare annotation was computed. [2021-10-29 05:16:20,649 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 78) no Hoare annotation was computed. [2021-10-29 05:16:20,649 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 328) no Hoare annotation was computed. [2021-10-29 05:16:20,649 INFO L853 garLoopResultBuilder]: At program point L322-1(lines 322 328) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:16:20,649 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:16:20,649 INFO L853 garLoopResultBuilder]: At program point L157(lines 157 163) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:16:20,650 INFO L853 garLoopResultBuilder]: At program point L157-1(lines 157 163) the Hoare annotation is: false [2021-10-29 05:16:20,650 INFO L853 garLoopResultBuilder]: At program point L157-2(lines 157 163) the Hoare annotation is: false [2021-10-29 05:16:20,650 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 401) no Hoare annotation was computed. [2021-10-29 05:16:20,650 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 791) no Hoare annotation was computed. [2021-10-29 05:16:20,650 INFO L857 garLoopResultBuilder]: For program point L787-1(lines 150 156) no Hoare annotation was computed. [2021-10-29 05:16:20,650 INFO L853 garLoopResultBuilder]: At program point L226(lines 219 229) the Hoare annotation is: false [2021-10-29 05:16:20,650 INFO L853 garLoopResultBuilder]: At program point L226-1(lines 219 229) the Hoare annotation is: false [2021-10-29 05:16:20,650 INFO L853 garLoopResultBuilder]: At program point L226-2(lines 219 229) the Hoare annotation is: false [2021-10-29 05:16:20,651 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:16:20,651 INFO L857 garLoopResultBuilder]: For program point L887(lines 887 904) no Hoare annotation was computed. [2021-10-29 05:16:20,652 INFO L853 garLoopResultBuilder]: At program point L887-1(lines 1 907) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:16:20,652 INFO L857 garLoopResultBuilder]: For program point L887-2(lines 887 904) no Hoare annotation was computed. [2021-10-29 05:16:20,652 INFO L853 garLoopResultBuilder]: At program point L887-3(lines 1 907) the Hoare annotation is: false [2021-10-29 05:16:20,652 INFO L857 garLoopResultBuilder]: For program point L887-4(lines 887 904) no Hoare annotation was computed. [2021-10-29 05:16:20,653 INFO L853 garLoopResultBuilder]: At program point L887-5(lines 1 907) the Hoare annotation is: false [2021-10-29 05:16:20,653 INFO L853 garLoopResultBuilder]: At program point L392(lines 387 395) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:16:20,653 INFO L857 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2021-10-29 05:16:20,653 INFO L857 garLoopResultBuilder]: For program point L62-3(lines 62 66) no Hoare annotation was computed. [2021-10-29 05:16:20,653 INFO L857 garLoopResultBuilder]: For program point L62-6(lines 62 66) no Hoare annotation was computed. [2021-10-29 05:16:20,653 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 863) no Hoare annotation was computed. [2021-10-29 05:16:20,654 INFO L860 garLoopResultBuilder]: At program point L856-1(lines 856 863) the Hoare annotation is: true [2021-10-29 05:16:20,654 INFO L857 garLoopResultBuilder]: For program point L312(lines 312 318) no Hoare annotation was computed. [2021-10-29 05:16:20,654 INFO L853 garLoopResultBuilder]: At program point L312-1(lines 312 318) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:16:20,654 INFO L857 garLoopResultBuilder]: For program point L279(lines 279 285) no Hoare annotation was computed. [2021-10-29 05:16:20,655 INFO L853 garLoopResultBuilder]: At program point L279-1(lines 279 285) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:16:20,655 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:16:20,655 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 901) no Hoare annotation was computed. [2021-10-29 05:16:20,655 INFO L857 garLoopResultBuilder]: For program point L891-2(lines 891 901) no Hoare annotation was computed. [2021-10-29 05:16:20,655 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 401) no Hoare annotation was computed. [2021-10-29 05:16:20,655 INFO L857 garLoopResultBuilder]: For program point L891-4(lines 891 901) no Hoare annotation was computed. [2021-10-29 05:16:20,656 INFO L853 garLoopResultBuilder]: At program point L99(lines 94 102) the Hoare annotation is: false [2021-10-29 05:16:20,656 INFO L853 garLoopResultBuilder]: At program point L99-1(lines 94 102) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:16:20,656 INFO L853 garLoopResultBuilder]: At program point L99-2(lines 94 102) the Hoare annotation is: false [2021-10-29 05:16:20,656 INFO L853 garLoopResultBuilder]: At program point L99-3(lines 94 102) the Hoare annotation is: false [2021-10-29 05:16:20,656 INFO L853 garLoopResultBuilder]: At program point L99-4(lines 94 102) the Hoare annotation is: false [2021-10-29 05:16:20,657 INFO L853 garLoopResultBuilder]: At program point L99-5(lines 94 102) the Hoare annotation is: false [2021-10-29 05:16:20,657 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 898) no Hoare annotation was computed. [2021-10-29 05:16:20,657 INFO L857 garLoopResultBuilder]: For program point L892-2(lines 892 898) no Hoare annotation was computed. [2021-10-29 05:16:20,657 INFO L857 garLoopResultBuilder]: For program point L892-4(lines 892 898) no Hoare annotation was computed. [2021-10-29 05:16:20,657 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 199) no Hoare annotation was computed. [2021-10-29 05:16:20,657 INFO L857 garLoopResultBuilder]: For program point L182-1(lines 182 199) no Hoare annotation was computed. [2021-10-29 05:16:20,658 INFO L857 garLoopResultBuilder]: For program point L182-2(lines 182 199) no Hoare annotation was computed. [2021-10-29 05:16:20,658 INFO L853 garLoopResultBuilder]: At program point L876(lines 871 878) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:16:20,658 INFO L853 garLoopResultBuilder]: At program point L150(lines 149 168) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:16:20,658 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 150 156) no Hoare annotation was computed. [2021-10-29 05:16:20,658 INFO L853 garLoopResultBuilder]: At program point L150-2(lines 149 168) the Hoare annotation is: false [2021-10-29 05:16:20,659 INFO L853 garLoopResultBuilder]: At program point L150-3(lines 149 168) the Hoare annotation is: false [2021-10-29 05:16:20,659 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 345) no Hoare annotation was computed. [2021-10-29 05:16:20,662 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-29 05:16:20,664 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:16:20,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:16:20 BoogieIcfgContainer [2021-10-29 05:16:20,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:16:20,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:16:20,681 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:16:20,681 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:16:20,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:16:16" (3/4) ... [2021-10-29 05:16:20,685 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:16:20,701 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 05:16:20,701 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 05:16:20,702 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 05:16:20,703 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 05:16:20,703 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:16:20,704 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:16:20,705 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:16:20,735 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-29 05:16:20,782 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:16:20,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:16:20,784 INFO L168 Benchmark]: Toolchain (without parser) took 7712.03 ms. Allocated memory was 60.8 MB in the beginning and 94.4 MB in the end (delta: 33.6 MB). Free memory was 38.4 MB in the beginning and 71.4 MB in the end (delta: -33.1 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:16:20,784 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 60.8 MB. Free memory is still 41.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:16:20,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.09 ms. Allocated memory is still 60.8 MB. Free memory was 38.2 MB in the beginning and 30.5 MB in the end (delta: 7.7 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:16:20,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.56 ms. Allocated memory is still 60.8 MB. Free memory was 30.5 MB in the beginning and 27.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:16:20,786 INFO L168 Benchmark]: Boogie Preprocessor took 58.68 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 27.6 MB in the beginning and 59.7 MB in the end (delta: -32.1 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:16:20,786 INFO L168 Benchmark]: RCFGBuilder took 2459.60 ms. Allocated memory is still 77.6 MB. Free memory was 59.7 MB in the beginning and 31.9 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:16:20,787 INFO L168 Benchmark]: TraceAbstraction took 4339.52 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 58.1 MB in the beginning and 39.9 MB in the end (delta: 18.2 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:16:20,787 INFO L168 Benchmark]: Witness Printer took 101.70 ms. Allocated memory is still 94.4 MB. Free memory was 39.9 MB in the beginning and 71.4 MB in the end (delta: -31.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:16:20,789 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 60.8 MB. Free memory is still 41.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 665.09 ms. Allocated memory is still 60.8 MB. Free memory was 38.2 MB in the beginning and 30.5 MB in the end (delta: 7.7 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.56 ms. Allocated memory is still 60.8 MB. Free memory was 30.5 MB in the beginning and 27.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.68 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 27.6 MB in the beginning and 59.7 MB in the end (delta: -32.1 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2459.60 ms. Allocated memory is still 77.6 MB. Free memory was 59.7 MB in the beginning and 31.9 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4339.52 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 58.1 MB in the beginning and 39.9 MB in the end (delta: 18.2 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. * Witness Printer took 101.70 ms. Allocated memory is still 94.4 MB. Free memory was 39.9 MB in the beginning and 71.4 MB in the end (delta: -31.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 401]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 401]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 401]: 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: 4.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 325 SDtfs, 379 SDslu, 394 SDs, 0 SdLazy, 68 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 131 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 3826 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 410 SizeOfPredicates, 7 NumberOfNonLiveVariables, 988 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: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 05:16:20,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e441f09-cc63-4f05-b370-7188ef52e8b3/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...