./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 91f8c6903979fd5720147c225d8a0b2231171c76981a3eb8612b1d57661722a0 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 91f8c6903979fd5720147c225d8a0b2231171c76981a3eb8612b1d57661722a0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 09:57:03,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:57:03,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:57:03,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:57:03,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:57:03,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:57:03,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:57:03,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:57:03,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:57:03,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:57:03,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:57:03,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:57:03,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:57:03,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:57:03,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:57:03,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:57:03,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:57:03,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:57:03,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:57:03,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:57:03,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:57:03,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:57:03,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:57:03,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:57:03,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:57:03,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:57:03,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:57:03,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:57:03,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:57:03,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:57:03,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:57:03,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:57:03,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:57:03,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:57:03,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:57:03,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:57:03,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:57:03,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:57:03,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:57:03,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:57:03,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:57:03,996 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 09:57:04,023 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:57:04,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:57:04,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:57:04,024 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:57:04,024 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:57:04,024 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:57:04,025 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 09:57:04,025 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:57:04,025 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:57:04,025 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 09:57:04,025 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 09:57:04,025 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:57:04,026 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 09:57:04,026 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 09:57:04,026 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 09:57:04,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:57:04,027 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:57:04,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 09:57:04,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:57:04,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:57:04,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:57:04,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:57:04,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:57:04,028 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:57:04,028 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:57:04,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:57:04,029 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:57:04,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:57:04,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:57:04,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:57:04,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:57:04,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:57:04,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:57:04,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:57:04,030 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 09:57:04,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 09:57:04,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:57:04,031 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:57:04,031 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:57:04,031 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_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91f8c6903979fd5720147c225d8a0b2231171c76981a3eb8612b1d57661722a0 [2021-10-24 09:57:04,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:57:04,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:57:04,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:57:04,303 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:57:04,304 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:57:04,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2021-10-24 09:57:04,383 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/data/594f6a98c/f214f21d947c41eb867bec18694af4fa/FLAG3d25dace3 [2021-10-24 09:57:05,060 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:57:05,062 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2021-10-24 09:57:05,072 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/data/594f6a98c/f214f21d947c41eb867bec18694af4fa/FLAG3d25dace3 [2021-10-24 09:57:05,083 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/data/594f6a98c/f214f21d947c41eb867bec18694af4fa [2021-10-24 09:57:05,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:57:05,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:57:05,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:57:05,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:57:05,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:57:05,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:57:05" (1/1) ... [2021-10-24 09:57:05,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e671f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:05, skipping insertion in model container [2021-10-24 09:57:05,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:57:05" (1/1) ... [2021-10-24 09:57:05,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:57:05,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:57:05,421 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_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13476,13489] [2021-10-24 09:57:05,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:57:05,502 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-24 09:57:05,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74ff0d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:05, skipping insertion in model container [2021-10-24 09:57:05,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:57:05,503 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 09:57:05,505 INFO L168 Benchmark]: Toolchain (without parser) took 417.26 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 67.9 MB in the beginning and 97.8 MB in the end (delta: -29.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 09:57:05,506 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 98.6 MB. Free memory is still 57.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:57:05,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.69 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 67.6 MB in the beginning and 97.8 MB in the end (delta: -30.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 09:57:05,517 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 98.6 MB. Free memory is still 57.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 414.69 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 67.6 MB in the beginning and 97.8 MB in the end (delta: -30.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 09:57:07,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:57:07,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:57:07,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:57:07,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:57:07,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:57:07,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:57:07,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:57:07,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:57:07,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:57:07,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:57:07,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:57:07,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:57:07,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:57:07,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:57:07,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:57:07,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:57:07,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:57:07,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:57:07,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:57:07,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:57:07,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:57:07,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:57:07,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:57:07,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:57:07,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:57:07,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:57:07,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:57:07,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:57:07,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:57:07,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:57:07,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:57:07,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:57:07,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:57:07,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:57:07,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:57:07,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:57:07,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:57:07,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:57:07,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:57:07,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:57:07,938 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 09:57:07,969 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:57:07,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:57:07,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:57:07,971 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:57:07,971 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:57:07,971 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:57:07,971 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:57:07,972 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:57:07,972 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:57:07,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:57:07,973 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:57:07,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:57:07,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:57:07,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:57:07,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:57:07,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:57:07,975 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:57:07,975 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 09:57:07,975 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 09:57:07,975 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:57:07,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:57:07,979 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:57:07,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:57:07,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:57:07,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 09:57:07,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:57:07,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:57:07,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:57:07,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:57:07,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:57:07,984 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 09:57:07,984 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 09:57:07,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:57:07,985 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:57:07,985 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:57:07,985 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_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91f8c6903979fd5720147c225d8a0b2231171c76981a3eb8612b1d57661722a0 [2021-10-24 09:57:08,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:57:08,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:57:08,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:57:08,465 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:57:08,468 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:57:08,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2021-10-24 09:57:08,549 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/data/aa2e1555c/6744e837b8254753a319ce62715b13ed/FLAG1926eb880 [2021-10-24 09:57:09,199 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:57:09,200 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2021-10-24 09:57:09,212 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/data/aa2e1555c/6744e837b8254753a319ce62715b13ed/FLAG1926eb880 [2021-10-24 09:57:09,465 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/data/aa2e1555c/6744e837b8254753a319ce62715b13ed [2021-10-24 09:57:09,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:57:09,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:57:09,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:57:09,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:57:09,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:57:09,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:57:09" (1/1) ... [2021-10-24 09:57:09,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510bc65a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:09, skipping insertion in model container [2021-10-24 09:57:09,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:57:09" (1/1) ... [2021-10-24 09:57:09,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:57:09,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:57:09,832 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_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13476,13489] [2021-10-24 09:57:09,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:57:09,885 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 09:57:09,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:57:09,937 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_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13476,13489] [2021-10-24 09:57:09,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:57:09,980 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 09:57:10,034 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_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13476,13489] [2021-10-24 09:57:10,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:57:10,100 INFO L208 MainTranslator]: Completed translation [2021-10-24 09:57:10,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:10 WrapperNode [2021-10-24 09:57:10,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:57:10,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 09:57:10,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 09:57:10,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 09:57:10,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:10" (1/1) ... [2021-10-24 09:57:10,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:10" (1/1) ... [2021-10-24 09:57:10,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 09:57:10,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 09:57:10,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 09:57:10,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 09:57:10,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:10" (1/1) ... [2021-10-24 09:57:10,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:10" (1/1) ... [2021-10-24 09:57:10,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:10" (1/1) ... [2021-10-24 09:57:10,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:10" (1/1) ... [2021-10-24 09:57:10,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:10" (1/1) ... [2021-10-24 09:57:10,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:10" (1/1) ... [2021-10-24 09:57:10,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:10" (1/1) ... [2021-10-24 09:57:10,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 09:57:10,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 09:57:10,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 09:57:10,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 09:57:10,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:10" (1/1) ... [2021-10-24 09:57:10,241 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:57:10,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 09:57:10,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 09:57:10,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 09:57:10,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 09:57:10,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 09:57:10,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 09:57:10,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 09:57:12,516 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 09:57:12,517 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-24 09:57:12,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:57:12 BoogieIcfgContainer [2021-10-24 09:57:12,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 09:57:12,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 09:57:12,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 09:57:12,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 09:57:12,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:57:09" (1/3) ... [2021-10-24 09:57:12,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8d8fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:57:12, skipping insertion in model container [2021-10-24 09:57:12,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:10" (2/3) ... [2021-10-24 09:57:12,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8d8fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:57:12, skipping insertion in model container [2021-10-24 09:57:12,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:57:12" (3/3) ... [2021-10-24 09:57:12,528 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product06.cil.c [2021-10-24 09:57:12,533 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 09:57:12,534 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 09:57:12,585 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 09:57:12,591 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 09:57:12,592 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 09:57:12,607 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:12,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 09:57:12,613 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:57:12,614 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:57:12,615 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:57:12,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:57:12,621 INFO L82 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2021-10-24 09:57:12,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:57:12,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1298987740] [2021-10-24 09:57:12,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:12,638 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:57:12,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:57:12,642 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:57:12,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 09:57:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:12,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 09:57:12,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:57:13,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:13,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:57:13,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:13,052 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:57:13,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1298987740] [2021-10-24 09:57:13,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1298987740] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:57:13,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:57:13,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 09:57:13,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042176617] [2021-10-24 09:57:13,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 09:57:13,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:57:13,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 09:57:13,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 09:57:13,093 INFO L87 Difference]: Start difference. First operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:13,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:57:13,156 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2021-10-24 09:57:13,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 09:57:13,158 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-24 09:57:13,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:57:13,167 INFO L225 Difference]: With dead ends: 132 [2021-10-24 09:57:13,179 INFO L226 Difference]: Without dead ends: 65 [2021-10-24 09:57:13,182 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 09:57:13,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-24 09:57:13,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-24 09:57:13,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 64 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:13,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2021-10-24 09:57:13,253 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2021-10-24 09:57:13,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:57:13,253 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-10-24 09:57:13,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:13,254 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2021-10-24 09:57:13,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 09:57:13,255 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:57:13,255 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:57:13,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-24 09:57:13,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:57:13,456 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:57:13,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:57:13,457 INFO L82 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2021-10-24 09:57:13,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:57:13,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [97538139] [2021-10-24 09:57:13,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:13,459 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:57:13,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:57:13,460 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:57:13,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 09:57:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:13,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:57:13,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:57:13,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:13,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:57:13,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:13,890 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:57:13,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [97538139] [2021-10-24 09:57:13,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [97538139] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:57:13,891 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:57:13,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 09:57:13,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547255514] [2021-10-24 09:57:13,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:57:13,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:57:13,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:57:13,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:57:13,902 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:13,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:57:13,929 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2021-10-24 09:57:13,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:57:13,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-24 09:57:13,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:57:13,934 INFO L225 Difference]: With dead ends: 65 [2021-10-24 09:57:13,934 INFO L226 Difference]: Without dead ends: 31 [2021-10-24 09:57:13,935 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:57:13,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-24 09:57:13,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-24 09:57:13,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:13,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-24 09:57:13,955 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2021-10-24 09:57:13,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:57:13,955 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-24 09:57:13,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:13,957 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-10-24 09:57:13,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 09:57:13,959 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:57:13,960 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:57:13,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 09:57:14,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:57:14,165 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:57:14,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:57:14,166 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2021-10-24 09:57:14,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:57:14,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [345109691] [2021-10-24 09:57:14,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:14,168 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:57:14,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:57:14,173 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:57:14,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 09:57:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:14,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:57:14,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:57:14,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:14,476 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:57:14,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:14,541 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:57:14,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [345109691] [2021-10-24 09:57:14,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [345109691] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:57:14,541 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:57:14,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 09:57:14,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574705931] [2021-10-24 09:57:14,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:57:14,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:57:14,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:57:14,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:57:14,547 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:14,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:57:14,589 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2021-10-24 09:57:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:57:14,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-24 09:57:14,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:57:14,592 INFO L225 Difference]: With dead ends: 56 [2021-10-24 09:57:14,592 INFO L226 Difference]: Without dead ends: 31 [2021-10-24 09:57:14,593 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:57:14,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-24 09:57:14,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-24 09:57:14,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:14,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2021-10-24 09:57:14,605 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2021-10-24 09:57:14,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:57:14,605 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2021-10-24 09:57:14,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:14,606 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2021-10-24 09:57:14,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-24 09:57:14,608 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:57:14,608 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:57:14,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 09:57:14,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:57:14,823 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:57:14,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:57:14,823 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2021-10-24 09:57:14,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:57:14,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062382137] [2021-10-24 09:57:14,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:14,836 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:57:14,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:57:14,846 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:57:14,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 09:57:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:15,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 09:57:15,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:57:15,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:15,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:57:15,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:15,248 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:57:15,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1062382137] [2021-10-24 09:57:15,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1062382137] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:57:15,248 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:57:15,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 09:57:15,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896745443] [2021-10-24 09:57:15,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 09:57:15,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:57:15,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 09:57:15,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 09:57:15,250 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:15,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:57:15,369 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2021-10-24 09:57:15,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 09:57:15,370 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-24 09:57:15,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:57:15,371 INFO L225 Difference]: With dead ends: 132 [2021-10-24 09:57:15,371 INFO L226 Difference]: Without dead ends: 107 [2021-10-24 09:57:15,372 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 42.8ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 09:57:15,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-24 09:57:15,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2021-10-24 09:57:15,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:15,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2021-10-24 09:57:15,383 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2021-10-24 09:57:15,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:57:15,383 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2021-10-24 09:57:15,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:15,384 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2021-10-24 09:57:15,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 09:57:15,385 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:57:15,385 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:57:15,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-24 09:57:15,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:57:15,597 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:57:15,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:57:15,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1414455604, now seen corresponding path program 1 times [2021-10-24 09:57:15,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:57:15,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [501880322] [2021-10-24 09:57:15,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:15,599 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:57:15,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:57:15,600 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:57:15,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 09:57:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:15,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 09:57:15,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:57:15,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:15,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:57:15,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:15,936 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:57:15,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [501880322] [2021-10-24 09:57:15,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [501880322] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:57:15,936 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:57:15,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 09:57:15,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723015285] [2021-10-24 09:57:15,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 09:57:15,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:57:15,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 09:57:15,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 09:57:15,939 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:16,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:57:16,029 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2021-10-24 09:57:16,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 09:57:16,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 09:57:16,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:57:16,030 INFO L225 Difference]: With dead ends: 144 [2021-10-24 09:57:16,031 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 09:57:16,032 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 09:57:16,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 09:57:16,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 09:57:16,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:16,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 09:57:16,033 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-24 09:57:16,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:57:16,033 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 09:57:16,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:16,034 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 09:57:16,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 09:57:16,037 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:57:16,037 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:57:16,038 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:57:16,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 09:57:16,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:57:16,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 09:57:16,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:16,641 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2021-10-24 09:57:16,641 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 618) no Hoare annotation was computed. [2021-10-24 09:57:16,642 INFO L853 garLoopResultBuilder]: At program point L449(lines 444 452) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:57:16,642 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 09:57:16,642 INFO L853 garLoopResultBuilder]: At program point L829(lines 822 832) the Hoare annotation is: false [2021-10-24 09:57:16,642 INFO L853 garLoopResultBuilder]: At program point L829-1(lines 822 832) the Hoare annotation is: false [2021-10-24 09:57:16,642 INFO L853 garLoopResultBuilder]: At program point L829-2(lines 822 832) the Hoare annotation is: false [2021-10-24 09:57:16,642 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 703) no Hoare annotation was computed. [2021-10-24 09:57:16,642 INFO L853 garLoopResultBuilder]: At program point L697-1(lines 697 703) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:57:16,643 INFO L853 garLoopResultBuilder]: At program point L466-2(lines 466 480) the Hoare annotation is: false [2021-10-24 09:57:16,643 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 579) no Hoare annotation was computed. [2021-10-24 09:57:16,643 INFO L853 garLoopResultBuilder]: At program point L566-1(lines 1 885) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:57:16,643 INFO L857 garLoopResultBuilder]: For program point L566-2(lines 566 579) no Hoare annotation was computed. [2021-10-24 09:57:16,643 INFO L853 garLoopResultBuilder]: At program point L566-3(lines 1 885) the Hoare annotation is: false [2021-10-24 09:57:16,643 INFO L857 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-10-24 09:57:16,643 INFO L857 garLoopResultBuilder]: For program point L566-4(lines 566 579) no Hoare annotation was computed. [2021-10-24 09:57:16,644 INFO L853 garLoopResultBuilder]: At program point L566-5(lines 1 885) the Hoare annotation is: false [2021-10-24 09:57:16,644 INFO L860 garLoopResultBuilder]: At program point L550(lines 531 553) the Hoare annotation is: true [2021-10-24 09:57:16,644 INFO L853 garLoopResultBuilder]: At program point L517(lines 513 519) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:57:16,644 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 730) no Hoare annotation was computed. [2021-10-24 09:57:16,644 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 606) no Hoare annotation was computed. [2021-10-24 09:57:16,644 INFO L857 garLoopResultBuilder]: For program point L602-3(lines 602 606) no Hoare annotation was computed. [2021-10-24 09:57:16,644 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2021-10-24 09:57:16,644 INFO L857 garLoopResultBuilder]: For program point L470-1(lines 753 759) no Hoare annotation was computed. [2021-10-24 09:57:16,645 INFO L857 garLoopResultBuilder]: For program point L602-6(lines 602 606) no Hoare annotation was computed. [2021-10-24 09:57:16,645 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 09:57:16,645 INFO L853 garLoopResultBuilder]: At program point L735(lines 686 736) the Hoare annotation is: false [2021-10-24 09:57:16,645 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 576) no Hoare annotation was computed. [2021-10-24 09:57:16,645 INFO L857 garLoopResultBuilder]: For program point L570-2(lines 570 576) no Hoare annotation was computed. [2021-10-24 09:57:16,645 INFO L857 garLoopResultBuilder]: For program point L570-4(lines 570 576) no Hoare annotation was computed. [2021-10-24 09:57:16,645 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 802) no Hoare annotation was computed. [2021-10-24 09:57:16,645 INFO L857 garLoopResultBuilder]: For program point L785-1(lines 785 802) no Hoare annotation was computed. [2021-10-24 09:57:16,646 INFO L857 garLoopResultBuilder]: For program point L785-2(lines 785 802) no Hoare annotation was computed. [2021-10-24 09:57:16,646 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2021-10-24 09:57:16,646 INFO L853 garLoopResultBuilder]: At program point L753(lines 752 771) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:57:16,646 INFO L857 garLoopResultBuilder]: For program point L753-1(lines 753 759) no Hoare annotation was computed. [2021-10-24 09:57:16,646 INFO L853 garLoopResultBuilder]: At program point L753-2(lines 752 771) the Hoare annotation is: false [2021-10-24 09:57:16,646 INFO L853 garLoopResultBuilder]: At program point L753-3(lines 752 771) the Hoare annotation is: false [2021-10-24 09:57:16,647 INFO L857 garLoopResultBuilder]: For program point L588(line 588) no Hoare annotation was computed. [2021-10-24 09:57:16,647 INFO L857 garLoopResultBuilder]: For program point L588-1(line 588) no Hoare annotation was computed. [2021-10-24 09:57:16,647 INFO L857 garLoopResultBuilder]: For program point L588-2(line 588) no Hoare annotation was computed. [2021-10-24 09:57:16,647 INFO L857 garLoopResultBuilder]: For program point L688(lines 687 734) no Hoare annotation was computed. [2021-10-24 09:57:16,647 INFO L853 garLoopResultBuilder]: At program point L639(lines 634 642) the Hoare annotation is: false [2021-10-24 09:57:16,647 INFO L853 garLoopResultBuilder]: At program point L639-1(lines 634 642) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:57:16,647 INFO L853 garLoopResultBuilder]: At program point L639-2(lines 634 642) the Hoare annotation is: false [2021-10-24 09:57:16,648 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 09:57:16,648 INFO L853 garLoopResultBuilder]: At program point L639-3(lines 634 642) the Hoare annotation is: false [2021-10-24 09:57:16,650 INFO L853 garLoopResultBuilder]: At program point L639-4(lines 634 642) the Hoare annotation is: false [2021-10-24 09:57:16,651 INFO L853 garLoopResultBuilder]: At program point L639-5(lines 634 642) the Hoare annotation is: false [2021-10-24 09:57:16,651 INFO L853 garLoopResultBuilder]: At program point L441(lines 1 885) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:57:16,651 INFO L857 garLoopResultBuilder]: For program point L689(lines 689 693) no Hoare annotation was computed. [2021-10-24 09:57:16,654 INFO L853 garLoopResultBuilder]: At program point L838(lines 833 841) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:57:16,656 INFO L853 garLoopResultBuilder]: At program point L838-1(lines 833 841) the Hoare annotation is: false [2021-10-24 09:57:16,657 INFO L853 garLoopResultBuilder]: At program point L838-2(lines 833 841) the Hoare annotation is: false [2021-10-24 09:57:16,658 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 548) no Hoare annotation was computed. [2021-10-24 09:57:16,659 INFO L860 garLoopResultBuilder]: At program point L541-1(lines 541 548) the Hoare annotation is: true [2021-10-24 09:57:16,659 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 797) no Hoare annotation was computed. [2021-10-24 09:57:16,659 INFO L857 garLoopResultBuilder]: For program point L789-1(lines 789 797) no Hoare annotation was computed. [2021-10-24 09:57:16,659 INFO L857 garLoopResultBuilder]: For program point L789-2(lines 789 797) no Hoare annotation was computed. [2021-10-24 09:57:16,660 INFO L857 garLoopResultBuilder]: For program point L707(lines 707 713) no Hoare annotation was computed. [2021-10-24 09:57:16,660 INFO L853 garLoopResultBuilder]: At program point L707-1(lines 707 713) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:57:16,661 INFO L857 garLoopResultBuilder]: For program point L725(lines 725 729) no Hoare annotation was computed. [2021-10-24 09:57:16,661 INFO L853 garLoopResultBuilder]: At program point L725-2(lines 753 759) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:57:16,661 INFO L857 garLoopResultBuilder]: For program point L626(lines 626 630) no Hoare annotation was computed. [2021-10-24 09:57:16,661 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 09:57:16,661 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2021-10-24 09:57:16,662 INFO L853 garLoopResultBuilder]: At program point L760(lines 760 766) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:57:16,662 INFO L853 garLoopResultBuilder]: At program point L760-1(lines 760 766) the Hoare annotation is: false [2021-10-24 09:57:16,662 INFO L853 garLoopResultBuilder]: At program point L760-2(lines 760 766) the Hoare annotation is: false [2021-10-24 09:57:16,667 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 09:57:16,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:57:16 BoogieIcfgContainer [2021-10-24 09:57:16,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 09:57:16,695 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 09:57:16,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 09:57:16,699 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 09:57:16,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:57:12" (3/4) ... [2021-10-24 09:57:16,702 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 09:57:16,725 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 09:57:16,726 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 09:57:16,727 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 09:57:16,728 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 09:57:16,728 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 09:57:16,729 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 09:57:16,729 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 09:57:16,771 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-24 09:57:16,816 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 09:57:16,816 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 09:57:16,818 INFO L168 Benchmark]: Toolchain (without parser) took 7348.61 ms. Allocated memory was 69.2 MB in the beginning and 119.5 MB in the end (delta: 50.3 MB). Free memory was 50.8 MB in the beginning and 59.1 MB in the end (delta: -8.3 MB). Peak memory consumption was 41.4 MB. Max. memory is 16.1 GB. [2021-10-24 09:57:16,818 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 69.2 MB. Free memory was 51.1 MB in the beginning and 51.0 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:57:16,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.26 ms. Allocated memory is still 69.2 MB. Free memory was 50.5 MB in the beginning and 39.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 09:57:16,819 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.31 ms. Allocated memory is still 69.2 MB. Free memory was 39.1 MB in the beginning and 36.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:57:16,820 INFO L168 Benchmark]: Boogie Preprocessor took 38.26 ms. Allocated memory is still 69.2 MB. Free memory was 36.0 MB in the beginning and 33.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:57:16,820 INFO L168 Benchmark]: RCFGBuilder took 2286.06 ms. Allocated memory was 69.2 MB in the beginning and 98.6 MB in the end (delta: 29.4 MB). Free memory was 33.9 MB in the beginning and 61.8 MB in the end (delta: -27.9 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2021-10-24 09:57:16,820 INFO L168 Benchmark]: TraceAbstraction took 4172.86 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 61.7 MB in the beginning and 65.4 MB in the end (delta: -3.7 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2021-10-24 09:57:16,821 INFO L168 Benchmark]: Witness Printer took 121.29 ms. Allocated memory is still 119.5 MB. Free memory was 65.4 MB in the beginning and 59.1 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 09:57:16,823 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 69.2 MB. Free memory was 51.1 MB in the beginning and 51.0 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 632.26 ms. Allocated memory is still 69.2 MB. Free memory was 50.5 MB in the beginning and 39.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.31 ms. Allocated memory is still 69.2 MB. Free memory was 39.1 MB in the beginning and 36.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.26 ms. Allocated memory is still 69.2 MB. Free memory was 36.0 MB in the beginning and 33.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2286.06 ms. Allocated memory was 69.2 MB in the beginning and 98.6 MB in the end (delta: 29.4 MB). Free memory was 33.9 MB in the beginning and 61.8 MB in the end (delta: -27.9 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4172.86 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 61.7 MB in the beginning and 65.4 MB in the end (delta: -3.7 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * Witness Printer took 121.29 ms. Allocated memory is still 119.5 MB. Free memory was 65.4 MB in the beginning and 59.1 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 588]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 588]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 588]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4084.3ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 15.0ms, AutomataDifference: 424.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 395.0ms, InitialAbstractionConstructionTime: 11.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 286 SDtfs, 365 SDslu, 233 SDs, 0 SdLazy, 53 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 131.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 94.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 82.2ms AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1214 FormulaSimplificationTreeSizeReduction, 218.7ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 166.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 128.6ms SsaConstructionTime, 608.5ms SatisfiabilityAnalysisTime, 890.2ms InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 316 SizeOfPredicates, 7 NumberOfNonLiveVariables, 976 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-24 09:57:16,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1506b2e-f1d7-4b19-8fc9-56e4804c4e87/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...