./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:54:20,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:54:20,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:54:20,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:54:20,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:54:20,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:54:20,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:54:20,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:54:20,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:54:20,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:54:20,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:54:20,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:54:20,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:54:20,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:54:20,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:54:20,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:54:20,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:54:20,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:54:20,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:54:20,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:54:20,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:54:20,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:54:20,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:54:20,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:54:20,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:54:20,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:54:20,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:54:20,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:54:20,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:54:20,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:54:20,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:54:20,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:54:20,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:54:20,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:54:20,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:54:20,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:54:20,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:54:20,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:54:20,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:54:20,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:54:20,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:54:20,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:54:21,016 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:54:21,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:54:21,018 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:54:21,018 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:54:21,019 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:54:21,019 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:54:21,019 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:54:21,019 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:54:21,019 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:54:21,020 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:54:21,021 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:54:21,021 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:54:21,021 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:54:21,021 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:54:21,022 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:54:21,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:54:21,023 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:54:21,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:54:21,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:54:21,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:54:21,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:54:21,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:54:21,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:54:21,024 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:54:21,025 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:54:21,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:54:21,025 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:54:21,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:54:21,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:54:21,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:54:21,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:54:21,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:54:21,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:54:21,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:54:21,028 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:54:21,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:54:21,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:54:21,029 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:54:21,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:54:21,029 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_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 [2021-11-07 01:54:21,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:54:21,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:54:21,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:54:21,359 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:54:21,359 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:54:21,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2021-11-07 01:54:21,434 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/data/917b8de0d/507eea3cc6dc4b8f8460f6184e4f26bc/FLAG5227baf75 [2021-11-07 01:54:22,072 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:54:22,073 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2021-11-07 01:54:22,087 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/data/917b8de0d/507eea3cc6dc4b8f8460f6184e4f26bc/FLAG5227baf75 [2021-11-07 01:54:22,344 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/data/917b8de0d/507eea3cc6dc4b8f8460f6184e4f26bc [2021-11-07 01:54:22,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:54:22,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:54:22,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:54:22,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:54:22,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:54:22,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:54:22" (1/1) ... [2021-11-07 01:54:22,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d8b38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:22, skipping insertion in model container [2021-11-07 01:54:22,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:54:22" (1/1) ... [2021-11-07 01:54:22,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:54:22,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:54:22,700 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_833975ee-18fe-4c03-af0e-27e6e059e26a/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c[7173,7186] [2021-11-07 01:54:22,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:54:22,773 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:54:22,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2afc4884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:22, skipping insertion in model container [2021-11-07 01:54:22,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:54:22,774 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:54:22,776 INFO L168 Benchmark]: Toolchain (without parser) took 428.36 ms. Allocated memory is still 123.7 MB. Free memory was 81.5 MB in the beginning and 95.1 MB in the end (delta: -13.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:54:22,777 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 123.7 MB. Free memory is still 99.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:54:22,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 425.78 ms. Allocated memory is still 123.7 MB. Free memory was 81.3 MB in the beginning and 95.1 MB in the end (delta: -13.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:54:22,785 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 123.7 MB. Free memory is still 99.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 425.78 ms. Allocated memory is still 123.7 MB. Free memory was 81.3 MB in the beginning and 95.1 MB in the end (delta: -13.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 524]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:54:25,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:54:25,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:54:25,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:54:25,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:54:25,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:54:25,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:54:25,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:54:25,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:54:25,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:54:25,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:54:25,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:54:25,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:54:25,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:54:25,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:54:25,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:54:25,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:54:25,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:54:25,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:54:25,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:54:25,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:54:25,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:54:25,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:54:25,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:54:25,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:54:25,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:54:25,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:54:25,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:54:25,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:54:25,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:54:25,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:54:25,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:54:25,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:54:25,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:54:25,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:54:25,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:54:25,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:54:25,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:54:25,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:54:25,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:54:25,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:54:25,102 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:54:25,127 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:54:25,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:54:25,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:54:25,129 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:54:25,129 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:54:25,129 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:54:25,130 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:54:25,130 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:54:25,130 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:54:25,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:54:25,131 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:54:25,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:54:25,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:54:25,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:54:25,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:54:25,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:54:25,133 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:54:25,133 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:54:25,133 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:54:25,134 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:54:25,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:54:25,134 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:54:25,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:54:25,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:54:25,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:54:25,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:54:25,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:54:25,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:54:25,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:54:25,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:54:25,137 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:54:25,137 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:54:25,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:54:25,138 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:54:25,138 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:54:25,138 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_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 [2021-11-07 01:54:25,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:54:25,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:54:25,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:54:25,544 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:54:25,546 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:54:25,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2021-11-07 01:54:25,632 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/data/7ed9f26f4/4fe8600908cf414d8bcdb46a71bd3008/FLAG53da87723 [2021-11-07 01:54:26,297 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:54:26,297 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2021-11-07 01:54:26,314 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/data/7ed9f26f4/4fe8600908cf414d8bcdb46a71bd3008/FLAG53da87723 [2021-11-07 01:54:26,558 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/data/7ed9f26f4/4fe8600908cf414d8bcdb46a71bd3008 [2021-11-07 01:54:26,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:54:26,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:54:26,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:54:26,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:54:26,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:54:26,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:54:26" (1/1) ... [2021-11-07 01:54:26,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e36c63a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:26, skipping insertion in model container [2021-11-07 01:54:26,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:54:26" (1/1) ... [2021-11-07 01:54:26,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:54:26,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:54:26,917 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_833975ee-18fe-4c03-af0e-27e6e059e26a/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c[7173,7186] [2021-11-07 01:54:26,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:54:26,985 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:54:26,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:54:27,030 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_833975ee-18fe-4c03-af0e-27e6e059e26a/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c[7173,7186] [2021-11-07 01:54:27,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:54:27,094 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:54:27,145 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_833975ee-18fe-4c03-af0e-27e6e059e26a/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c[7173,7186] [2021-11-07 01:54:27,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:54:27,191 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:54:27,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:27 WrapperNode [2021-11-07 01:54:27,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:54:27,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:54:27,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:54:27,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:54:27,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:27" (1/1) ... [2021-11-07 01:54:27,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:27" (1/1) ... [2021-11-07 01:54:27,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:54:27,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:54:27,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:54:27,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:54:27,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:27" (1/1) ... [2021-11-07 01:54:27,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:27" (1/1) ... [2021-11-07 01:54:27,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:27" (1/1) ... [2021-11-07 01:54:27,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:27" (1/1) ... [2021-11-07 01:54:27,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:27" (1/1) ... [2021-11-07 01:54:27,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:27" (1/1) ... [2021-11-07 01:54:27,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:27" (1/1) ... [2021-11-07 01:54:27,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:54:27,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:54:27,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:54:27,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:54:27,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:27" (1/1) ... [2021-11-07 01:54:27,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:54:27,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:54:27,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:54:27,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:54:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:54:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:54:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:54:27,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:54:29,455 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:54:29,455 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-11-07 01:54:29,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:54:29 BoogieIcfgContainer [2021-11-07 01:54:29,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:54:29,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:54:29,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:54:29,463 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:54:29,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:54:26" (1/3) ... [2021-11-07 01:54:29,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9116ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:54:29, skipping insertion in model container [2021-11-07 01:54:29,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:27" (2/3) ... [2021-11-07 01:54:29,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9116ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:54:29, skipping insertion in model container [2021-11-07 01:54:29,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:54:29" (3/3) ... [2021-11-07 01:54:29,467 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2021-11-07 01:54:29,473 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:54:29,473 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:54:29,534 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:54:29,541 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:54:29,541 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:54:29,558 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:54:29,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:54:29,564 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:54:29,565 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:54:29,565 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:54:29,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:54:29,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2021-11-07 01:54:29,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:54:29,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1584491839] [2021-11-07 01:54:29,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:54:29,592 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:54:29,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:54:29,596 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:54:29,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:54:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:54:29,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:54:29,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:54:29,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:54:29,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:54:29,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:54:29,982 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:54:29,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1584491839] [2021-11-07 01:54:29,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1584491839] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:54:29,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:54:29,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:54:29,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604020525] [2021-11-07 01:54:29,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:54:29,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:54:30,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:54:30,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:54:30,008 INFO L87 Difference]: Start difference. First operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:54:30,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:54:30,038 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-11-07 01:54:30,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:54:30,040 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-07 01:54:30,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:54:30,050 INFO L225 Difference]: With dead ends: 108 [2021-11-07 01:54:30,055 INFO L226 Difference]: Without dead ends: 53 [2021-11-07 01:54:30,059 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:54:30,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-07 01:54:30,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-11-07 01:54:30,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 50 states have (on average 1.44) internal successors, (72), 52 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:54:30,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-11-07 01:54:30,109 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-11-07 01:54:30,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:54:30,110 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-11-07 01:54:30,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:54:30,111 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-11-07 01:54:30,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:54:30,112 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:54:30,113 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:54:30,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:54:30,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:54:30,325 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:54:30,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:54:30,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2021-11-07 01:54:30,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:54:30,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1346444226] [2021-11-07 01:54:30,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:54:30,328 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:54:30,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:54:30,329 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:54:30,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:54:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:54:30,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:54:30,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:54:30,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:54:30,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:54:30,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:54:30,617 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:54:30,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1346444226] [2021-11-07 01:54:30,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1346444226] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:54:30,618 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:54:30,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:54:30,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213804924] [2021-11-07 01:54:30,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:54:30,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:54:30,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:54:30,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:54:30,622 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:54:30,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:54:30,633 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-11-07 01:54:30,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:54:30,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-07 01:54:30,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:54:30,635 INFO L225 Difference]: With dead ends: 53 [2021-11-07 01:54:30,635 INFO L226 Difference]: Without dead ends: 27 [2021-11-07 01:54:30,636 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:54:30,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-07 01:54:30,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-11-07 01:54:30,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:54:30,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-11-07 01:54:30,641 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-11-07 01:54:30,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:54:30,641 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-11-07 01:54:30,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:54:30,642 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-07 01:54:30,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:54:30,643 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:54:30,643 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:54:30,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:54:30,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:54:30,855 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:54:30,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:54:30,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2021-11-07 01:54:30,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:54:30,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1211242551] [2021-11-07 01:54:30,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:54:30,857 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:54:30,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:54:30,859 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:54:30,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:54:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:54:31,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:54:31,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:54:31,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:54:31,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:54:31,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:54:31,257 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:54:31,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1211242551] [2021-11-07 01:54:31,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1211242551] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:54:31,257 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:54:31,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:54:31,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534573164] [2021-11-07 01:54:31,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:54:31,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:54:31,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:54:31,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:54:31,260 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand has 5 states, 5 states have (on average 4.4) 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) [2021-11-07 01:54:31,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:54:31,354 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2021-11-07 01:54:31,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:54:31,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) 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 22 [2021-11-07 01:54:31,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:54:31,356 INFO L225 Difference]: With dead ends: 109 [2021-11-07 01:54:31,357 INFO L226 Difference]: Without dead ends: 88 [2021-11-07 01:54:31,357 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:54:31,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-11-07 01:54:31,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2021-11-07 01:54:31,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.441860465116279) internal successors, (62), 43 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:54:31,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2021-11-07 01:54:31,371 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2021-11-07 01:54:31,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:54:31,372 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2021-11-07 01:54:31,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) 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) [2021-11-07 01:54:31,372 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2021-11-07 01:54:31,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 01:54:31,373 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:54:31,373 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:54:31,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:54:31,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:54:31,590 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:54:31,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:54:31,591 INFO L85 PathProgramCache]: Analyzing trace with hash 703007878, now seen corresponding path program 1 times [2021-11-07 01:54:31,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:54:31,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [706180413] [2021-11-07 01:54:31,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:54:31,592 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:54:31,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:54:31,596 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:54:31,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:54:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:54:31,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:54:31,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:54:31,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:54:31,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:54:31,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:54:31,981 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:54:31,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [706180413] [2021-11-07 01:54:31,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [706180413] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:54:31,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:54:31,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:54:31,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956811629] [2021-11-07 01:54:31,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:54:31,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:54:31,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:54:31,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:54:31,984 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:54:32,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:54:32,062 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2021-11-07 01:54:32,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:54:32,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-07 01:54:32,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:54:32,067 INFO L225 Difference]: With dead ends: 130 [2021-11-07 01:54:32,067 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:54:32,069 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:54:32,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:54:32,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:54:32,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:54:32,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:54:32,070 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-11-07 01:54:32,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:54:32,070 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:54:32,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:54:32,070 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:54:32,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:54:32,073 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:54:32,073 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:54:32,073 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:54:32,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:54:32,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:54:32,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:54:32,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:32,509 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 491) no Hoare annotation was computed. [2021-11-07 01:54:32,509 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:54:32,510 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 330) no Hoare annotation was computed. [2021-11-07 01:54:32,510 INFO L853 garLoopResultBuilder]: At program point L169(lines 168 187) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:54:32,510 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 169 175) no Hoare annotation was computed. [2021-11-07 01:54:32,510 INFO L853 garLoopResultBuilder]: At program point L169-2(lines 168 187) the Hoare annotation is: false [2021-11-07 01:54:32,511 INFO L853 garLoopResultBuilder]: At program point L169-3(lines 168 187) the Hoare annotation is: false [2021-11-07 01:54:32,511 INFO L853 garLoopResultBuilder]: At program point L450(lines 445 453) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:54:32,511 INFO L853 garLoopResultBuilder]: At program point L450-1(lines 445 453) the Hoare annotation is: false [2021-11-07 01:54:32,511 INFO L853 garLoopResultBuilder]: At program point L450-2(lines 445 453) the Hoare annotation is: false [2021-11-07 01:54:32,511 INFO L853 garLoopResultBuilder]: At program point L401(lines 396 404) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:54:32,511 INFO L853 garLoopResultBuilder]: At program point L335(lines 286 336) the Hoare annotation is: false [2021-11-07 01:54:32,512 INFO L857 garLoopResultBuilder]: For program point L353(lines 353 366) no Hoare annotation was computed. [2021-11-07 01:54:32,512 INFO L853 garLoopResultBuilder]: At program point L353-1(lines 1 860) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:54:32,512 INFO L857 garLoopResultBuilder]: For program point L353-2(lines 353 366) no Hoare annotation was computed. [2021-11-07 01:54:32,512 INFO L853 garLoopResultBuilder]: At program point L353-3(lines 1 860) the Hoare annotation is: false [2021-11-07 01:54:32,512 INFO L857 garLoopResultBuilder]: For program point L353-4(lines 353 366) no Hoare annotation was computed. [2021-11-07 01:54:32,512 INFO L853 garLoopResultBuilder]: At program point L353-5(lines 1 860) the Hoare annotation is: false [2021-11-07 01:54:32,513 INFO L857 garLoopResultBuilder]: For program point L288(lines 287 334) no Hoare annotation was computed. [2021-11-07 01:54:32,513 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 441) no Hoare annotation was computed. [2021-11-07 01:54:32,513 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-11-07 01:54:32,513 INFO L860 garLoopResultBuilder]: At program point L140-1(lines 140 147) the Hoare annotation is: true [2021-11-07 01:54:32,513 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 293) no Hoare annotation was computed. [2021-11-07 01:54:32,513 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:54:32,514 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 491) no Hoare annotation was computed. [2021-11-07 01:54:32,514 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 313) no Hoare annotation was computed. [2021-11-07 01:54:32,514 INFO L853 garLoopResultBuilder]: At program point L307-1(lines 307 313) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:54:32,514 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 363) no Hoare annotation was computed. [2021-11-07 01:54:32,514 INFO L857 garLoopResultBuilder]: For program point L357-2(lines 357 363) no Hoare annotation was computed. [2021-11-07 01:54:32,514 INFO L857 garLoopResultBuilder]: For program point L357-4(lines 357 363) no Hoare annotation was computed. [2021-11-07 01:54:32,515 INFO L853 garLoopResultBuilder]: At program point L176(lines 176 182) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:54:32,515 INFO L853 garLoopResultBuilder]: At program point L176-1(lines 176 182) the Hoare annotation is: false [2021-11-07 01:54:32,515 INFO L853 garLoopResultBuilder]: At program point L176-2(lines 176 182) the Hoare annotation is: false [2021-11-07 01:54:32,515 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:54:32,516 INFO L853 garLoopResultBuilder]: At program point L325-2(lines 169 175) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:54:32,516 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:54:32,516 INFO L857 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-11-07 01:54:32,516 INFO L857 garLoopResultBuilder]: For program point L491-1(line 491) no Hoare annotation was computed. [2021-11-07 01:54:32,516 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 429) no Hoare annotation was computed. [2021-11-07 01:54:32,516 INFO L857 garLoopResultBuilder]: For program point L491-2(line 491) no Hoare annotation was computed. [2021-11-07 01:54:32,517 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-11-07 01:54:32,517 INFO L853 garLoopResultBuilder]: At program point L393(lines 1 860) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:54:32,517 INFO L853 garLoopResultBuilder]: At program point L228(lines 223 231) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:54:32,517 INFO L853 garLoopResultBuilder]: At program point L228-1(lines 223 231) the Hoare annotation is: false [2021-11-07 01:54:32,517 INFO L853 garLoopResultBuilder]: At program point L228-2(lines 223 231) the Hoare annotation is: false [2021-11-07 01:54:32,518 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-11-07 01:54:32,518 INFO L853 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:54:32,518 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:54:32,519 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 491) no Hoare annotation was computed. [2021-11-07 01:54:32,519 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 303) no Hoare annotation was computed. [2021-11-07 01:54:32,519 INFO L853 garLoopResultBuilder]: At program point L297-1(lines 297 303) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:54:32,519 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-11-07 01:54:32,519 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 169 175) no Hoare annotation was computed. [2021-11-07 01:54:32,519 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 417) no Hoare annotation was computed. [2021-11-07 01:54:32,520 INFO L857 garLoopResultBuilder]: For program point L413-3(lines 413 417) no Hoare annotation was computed. [2021-11-07 01:54:32,520 INFO L857 garLoopResultBuilder]: For program point L413-6(lines 413 417) no Hoare annotation was computed. [2021-11-07 01:54:32,520 INFO L860 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-11-07 01:54:32,523 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-07 01:54:32,524 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:54:32,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:54:32 BoogieIcfgContainer [2021-11-07 01:54:32,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:54:32,544 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:54:32,544 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:54:32,545 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:54:32,546 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:54:29" (3/4) ... [2021-11-07 01:54:32,549 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:54:32,565 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:54:32,566 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:54:32,567 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:54:32,567 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:54:32,567 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:54:32,568 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:54:32,568 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:54:32,602 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-11-07 01:54:32,666 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:54:32,666 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:54:32,668 INFO L168 Benchmark]: Toolchain (without parser) took 6104.15 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 38.1 MB in the beginning and 71.9 MB in the end (delta: -33.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:54:32,668 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 73.4 MB. Free memory was 55.5 MB in the beginning and 55.4 MB in the end (delta: 63.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:54:32,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 604.38 ms. Allocated memory is still 73.4 MB. Free memory was 58.9 MB in the beginning and 43.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:54:32,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.16 ms. Allocated memory is still 73.4 MB. Free memory was 43.2 MB in the beginning and 40.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:54:32,669 INFO L168 Benchmark]: Boogie Preprocessor took 35.28 ms. Allocated memory is still 73.4 MB. Free memory was 40.5 MB in the beginning and 38.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:54:32,670 INFO L168 Benchmark]: RCFGBuilder took 2133.74 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 38.6 MB in the beginning and 60.4 MB in the end (delta: -21.9 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:54:32,670 INFO L168 Benchmark]: TraceAbstraction took 3083.69 ms. Allocated memory is still 92.3 MB. Free memory was 59.9 MB in the beginning and 33.1 MB in the end (delta: 26.9 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:54:32,671 INFO L168 Benchmark]: Witness Printer took 122.39 ms. Allocated memory is still 92.3 MB. Free memory was 33.1 MB in the beginning and 71.9 MB in the end (delta: -38.8 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:54:32,673 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 73.4 MB. Free memory was 55.5 MB in the beginning and 55.4 MB in the end (delta: 63.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 604.38 ms. Allocated memory is still 73.4 MB. Free memory was 58.9 MB in the beginning and 43.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.16 ms. Allocated memory is still 73.4 MB. Free memory was 43.2 MB in the beginning and 40.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.28 ms. Allocated memory is still 73.4 MB. Free memory was 40.5 MB in the beginning and 38.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2133.74 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 38.6 MB in the beginning and 60.4 MB in the end (delta: -21.9 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3083.69 ms. Allocated memory is still 92.3 MB. Free memory was 59.9 MB in the beginning and 33.1 MB in the end (delta: 26.9 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. * Witness Printer took 122.39 ms. Allocated memory is still 92.3 MB. Free memory was 33.1 MB in the beginning and 71.9 MB in the end (delta: -38.8 MB). Peak memory consumption was 4.4 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: 491]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 491]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 491]: 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, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 228 SDslu, 224 SDs, 0 SdLazy, 33 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 66 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 1010 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 252 SizeOfPredicates, 7 NumberOfNonLiveVariables, 777 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-11-07 01:54:32,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_833975ee-18fe-4c03-af0e-27e6e059e26a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE