./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8 --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 3df8d35662b819e3a4d212ebbe7a52d191ed1c2f ............................................................................................................................................ 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_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8 --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 3df8d35662b819e3a4d212ebbe7a52d191ed1c2f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:42:55,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:42:55,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:42:55,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:42:55,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:42:55,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:42:55,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:42:55,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:42:55,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:42:55,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:42:55,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:42:55,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:42:55,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:42:55,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:42:55,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:42:55,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:42:56,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:42:56,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:42:56,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:42:56,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:42:56,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:42:56,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:42:56,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:42:56,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:42:56,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:42:56,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:42:56,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:42:56,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:42:56,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:42:56,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:42:56,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:42:56,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:42:56,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:42:56,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:42:56,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:42:56,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:42:56,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:42:56,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:42:56,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:42:56,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:42:56,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:42:56,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:42:56,059 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:42:56,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:42:56,061 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:42:56,061 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:42:56,061 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:42:56,062 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:42:56,062 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:42:56,062 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:42:56,063 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:42:56,063 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:42:56,063 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:42:56,064 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:42:56,064 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:42:56,064 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:42:56,065 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:42:56,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:42:56,066 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:42:56,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:42:56,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:42:56,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:42:56,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:42:56,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:42:56,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:42:56,068 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:42:56,068 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:42:56,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:42:56,068 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:42:56,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:42:56,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:42:56,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:42:56,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:42:56,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:42:56,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:42:56,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:42:56,071 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:42:56,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:42:56,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:42:56,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:42:56,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:42:56,072 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_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3df8d35662b819e3a4d212ebbe7a52d191ed1c2f [2021-10-13 07:42:56,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:42:56,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:42:56,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:42:56,398 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:42:56,398 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:42:56,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2021-10-13 07:42:56,480 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/data/286595661/75c8bdd48f494966a205ea42c619859d/FLAGbb1d7286a [2021-10-13 07:42:57,037 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:42:57,043 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2021-10-13 07:42:57,056 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/data/286595661/75c8bdd48f494966a205ea42c619859d/FLAGbb1d7286a [2021-10-13 07:42:57,356 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/data/286595661/75c8bdd48f494966a205ea42c619859d [2021-10-13 07:42:57,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:42:57,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:42:57,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:42:57,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:42:57,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:42:57,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:42:57" (1/1) ... [2021-10-13 07:42:57,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232d9148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:57, skipping insertion in model container [2021-10-13 07:42:57,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:42:57" (1/1) ... [2021-10-13 07:42:57,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:42:57,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:42:57,722 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_386bc093-63b1-492a-a676-85e647de21ef/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[14789,14802] [2021-10-13 07:42:57,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:42:57,777 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) [2021-10-13 07:42:57,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@120fe2c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:57, skipping insertion in model container [2021-10-13 07:42:57,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:42:57,779 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:42:57,781 INFO L168 Benchmark]: Toolchain (without parser) took 419.42 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 54.4 MB in the beginning and 81.5 MB in the end (delta: -27.1 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:42:57,782 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 90.2 MB. Free memory was 59.5 MB in the beginning and 59.4 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:42:57,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.69 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 54.2 MB in the beginning and 81.5 MB in the end (delta: -27.3 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-13 07:42:57,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 90.2 MB. Free memory was 59.5 MB in the beginning and 59.4 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 416.69 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 54.2 MB in the beginning and 81.5 MB in the end (delta: -27.3 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 345]: 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-4e77c04 [2021-10-13 07:42:59,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:42:59,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:43:00,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:43:00,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:43:00,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:43:00,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:43:00,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:43:00,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:43:00,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:43:00,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:43:00,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:43:00,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:43:00,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:43:00,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:43:00,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:43:00,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:43:00,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:43:00,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:43:00,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:43:00,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:43:00,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:43:00,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:43:00,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:43:00,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:43:00,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:43:00,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:43:00,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:43:00,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:43:00,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:43:00,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:43:00,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:43:00,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:43:00,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:43:00,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:43:00,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:43:00,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:43:00,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:43:00,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:43:00,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:43:00,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:43:00,104 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:43:00,150 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:43:00,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:43:00,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:43:00,152 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:43:00,153 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:43:00,153 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:43:00,153 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:43:00,153 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:43:00,153 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:43:00,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:43:00,156 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:43:00,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:43:00,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:43:00,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:43:00,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:43:00,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:43:00,158 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:43:00,158 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:43:00,158 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:43:00,158 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:43:00,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:43:00,159 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:43:00,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:43:00,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:43:00,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:43:00,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:43:00,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:43:00,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:43:00,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:43:00,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:43:00,161 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:43:00,161 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:43:00,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:43:00,162 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:43:00,162 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:43:00,162 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_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3df8d35662b819e3a4d212ebbe7a52d191ed1c2f [2021-10-13 07:43:00,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:43:00,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:43:00,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:43:00,563 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:43:00,564 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:43:00,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2021-10-13 07:43:00,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/data/b0b2bebba/8d85dd39f0164c08971b6ddd4a55ca46/FLAG4b11800b9 [2021-10-13 07:43:01,290 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:43:01,293 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2021-10-13 07:43:01,309 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/data/b0b2bebba/8d85dd39f0164c08971b6ddd4a55ca46/FLAG4b11800b9 [2021-10-13 07:43:01,567 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/data/b0b2bebba/8d85dd39f0164c08971b6ddd4a55ca46 [2021-10-13 07:43:01,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:43:01,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:43:01,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:43:01,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:43:01,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:43:01,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:43:01" (1/1) ... [2021-10-13 07:43:01,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3354c8eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:01, skipping insertion in model container [2021-10-13 07:43:01,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:43:01" (1/1) ... [2021-10-13 07:43:01,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:43:01,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:43:01,955 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_386bc093-63b1-492a-a676-85e647de21ef/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[14789,14802] [2021-10-13 07:43:01,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:43:01,998 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:43:02,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:43:02,094 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_386bc093-63b1-492a-a676-85e647de21ef/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[14789,14802] [2021-10-13 07:43:02,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:43:02,128 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:43:02,210 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_386bc093-63b1-492a-a676-85e647de21ef/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[14789,14802] [2021-10-13 07:43:02,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:43:02,241 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:43:02,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:02 WrapperNode [2021-10-13 07:43:02,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:43:02,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:43:02,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:43:02,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:43:02,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:02" (1/1) ... [2021-10-13 07:43:02,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:02" (1/1) ... [2021-10-13 07:43:02,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:43:02,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:43:02,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:43:02,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:43:02,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:02" (1/1) ... [2021-10-13 07:43:02,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:02" (1/1) ... [2021-10-13 07:43:02,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:02" (1/1) ... [2021-10-13 07:43:02,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:02" (1/1) ... [2021-10-13 07:43:02,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:02" (1/1) ... [2021-10-13 07:43:02,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:02" (1/1) ... [2021-10-13 07:43:02,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:02" (1/1) ... [2021-10-13 07:43:02,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:43:02,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:43:02,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:43:02,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:43:02,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:02" (1/1) ... [2021-10-13 07:43:02,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:43:02,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:43:02,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:43:02,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:43:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:43:02,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:43:02,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:43:02,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:43:04,728 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:43:04,730 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-10-13 07:43:04,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:43:04 BoogieIcfgContainer [2021-10-13 07:43:04,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:43:04,735 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:43:04,735 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:43:04,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:43:04,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:43:01" (1/3) ... [2021-10-13 07:43:04,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b3e8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:43:04, skipping insertion in model container [2021-10-13 07:43:04,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:02" (2/3) ... [2021-10-13 07:43:04,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b3e8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:43:04, skipping insertion in model container [2021-10-13 07:43:04,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:43:04" (3/3) ... [2021-10-13 07:43:04,742 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product20.cil.c [2021-10-13 07:43:04,748 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:43:04,748 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 07:43:04,798 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:43:04,805 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, mConcurrency=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 [2021-10-13 07:43:04,805 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 07:43:04,822 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 77 states have (on average 1.5714285714285714) internal successors, (121), 80 states have internal predecessors, (121), 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) [2021-10-13 07:43:04,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 07:43:04,828 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:43:04,829 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:43:04,829 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:43:04,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:43:04,835 INFO L82 PathProgramCache]: Analyzing trace with hash 2048364516, now seen corresponding path program 1 times [2021-10-13 07:43:04,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:43:04,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1029238635] [2021-10-13 07:43:04,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:43:04,851 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:43:04,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:43:04,854 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:43:04,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:43:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:43:05,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:43:05,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:43:05,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:05,197 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:43:05,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:05,266 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:43:05,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1029238635] [2021-10-13 07:43:05,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1029238635] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:43:05,285 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:43:05,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:43:05,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130194591] [2021-10-13 07:43:05,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:43:05,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:43:05,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:43:05,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:43:05,314 INFO L87 Difference]: Start difference. First operand has 81 states, 77 states have (on average 1.5714285714285714) internal successors, (121), 80 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:05,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:43:05,353 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2021-10-13 07:43:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:43:05,355 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-13 07:43:05,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:43:05,366 INFO L225 Difference]: With dead ends: 155 [2021-10-13 07:43:05,367 INFO L226 Difference]: Without dead ends: 77 [2021-10-13 07:43:05,371 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:43:05,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-13 07:43:05,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-10-13 07:43:05,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 74 states have (on average 1.472972972972973) internal successors, (109), 76 states have internal predecessors, (109), 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) [2021-10-13 07:43:05,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2021-10-13 07:43:05,423 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2021-10-13 07:43:05,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:43:05,423 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2021-10-13 07:43:05,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:05,424 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2021-10-13 07:43:05,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 07:43:05,426 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:43:05,426 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:43:05,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:43:05,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:43:05,639 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:43:05,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:43:05,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1829528547, now seen corresponding path program 1 times [2021-10-13 07:43:05,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:43:05,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776866470] [2021-10-13 07:43:05,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:43:05,646 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:43:05,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:43:05,647 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:43:05,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:43:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:43:05,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:43:05,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:43:05,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:05,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:43:06,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:06,013 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:43:06,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776866470] [2021-10-13 07:43:06,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1776866470] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:43:06,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:43:06,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:43:06,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575652065] [2021-10-13 07:43:06,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:43:06,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:43:06,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:43:06,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:43:06,020 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:06,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:43:06,049 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2021-10-13 07:43:06,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:43:06,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-13 07:43:06,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:43:06,051 INFO L225 Difference]: With dead ends: 77 [2021-10-13 07:43:06,052 INFO L226 Difference]: Without dead ends: 37 [2021-10-13 07:43:06,053 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:43:06,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-13 07:43:06,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-10-13 07:43:06,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 36 states have internal predecessors, (52), 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) [2021-10-13 07:43:06,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2021-10-13 07:43:06,065 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2021-10-13 07:43:06,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:43:06,066 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2021-10-13 07:43:06,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:06,066 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2021-10-13 07:43:06,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 07:43:06,068 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:43:06,073 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] [2021-10-13 07:43:06,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:43:06,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:43:06,276 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:43:06,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:43:06,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1633990848, now seen corresponding path program 1 times [2021-10-13 07:43:06,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:43:06,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1298654304] [2021-10-13 07:43:06,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:43:06,278 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:43:06,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:43:06,279 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:43:06,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:43:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:43:06,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:43:06,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:43:06,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:06,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:43:06,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:06,626 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:43:06,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1298654304] [2021-10-13 07:43:06,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1298654304] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:43:06,627 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:43:06,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:43:06,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702421996] [2021-10-13 07:43:06,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:43:06,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:43:06,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:43:06,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:43:06,630 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-10-13 07:43:06,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:43:06,699 INFO L93 Difference]: Finished difference Result 121 states and 178 transitions. [2021-10-13 07:43:06,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:43:06,700 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 [2021-10-13 07:43:06,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:43:06,704 INFO L225 Difference]: With dead ends: 121 [2021-10-13 07:43:06,705 INFO L226 Difference]: Without dead ends: 91 [2021-10-13 07:43:06,706 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:43:06,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-10-13 07:43:06,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 57. [2021-10-13 07:43:06,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4821428571428572) internal successors, (83), 56 states have internal predecessors, (83), 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) [2021-10-13 07:43:06,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 83 transitions. [2021-10-13 07:43:06,727 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 83 transitions. Word has length 24 [2021-10-13 07:43:06,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:43:06,728 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 83 transitions. [2021-10-13 07:43:06,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-10-13 07:43:06,729 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2021-10-13 07:43:06,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 07:43:06,732 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:43:06,732 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, 1] [2021-10-13 07:43:06,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:43:06,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:43:06,956 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:43:06,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:43:06,957 INFO L82 PathProgramCache]: Analyzing trace with hash 584858649, now seen corresponding path program 1 times [2021-10-13 07:43:06,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:43:06,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [294170433] [2021-10-13 07:43:06,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:43:06,958 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:43:06,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:43:06,959 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:43:06,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:43:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:43:07,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:43:07,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:43:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:07,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:43:07,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:07,380 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:43:07,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [294170433] [2021-10-13 07:43:07,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [294170433] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:43:07,382 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:43:07,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 07:43:07,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020326182] [2021-10-13 07:43:07,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:43:07,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:43:07,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:43:07,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:43:07,384 INFO L87 Difference]: Start difference. First operand 57 states and 83 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:07,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:43:07,515 INFO L93 Difference]: Finished difference Result 261 states and 400 transitions. [2021-10-13 07:43:07,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 07:43:07,516 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 07:43:07,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:43:07,520 INFO L225 Difference]: With dead ends: 261 [2021-10-13 07:43:07,520 INFO L226 Difference]: Without dead ends: 211 [2021-10-13 07:43:07,521 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 61.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:43:07,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-10-13 07:43:07,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 99. [2021-10-13 07:43:07,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.469387755102041) internal successors, (144), 98 states have internal predecessors, (144), 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) [2021-10-13 07:43:07,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 144 transitions. [2021-10-13 07:43:07,558 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 144 transitions. Word has length 25 [2021-10-13 07:43:07,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:43:07,559 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 144 transitions. [2021-10-13 07:43:07,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:07,559 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 144 transitions. [2021-10-13 07:43:07,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 07:43:07,565 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:43:07,565 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, 1, 1] [2021-10-13 07:43:07,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:43:07,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:43:07,777 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:43:07,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:43:07,778 INFO L82 PathProgramCache]: Analyzing trace with hash 690628753, now seen corresponding path program 1 times [2021-10-13 07:43:07,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:43:07,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [835974031] [2021-10-13 07:43:07,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:43:07,779 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:43:07,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:43:07,780 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:43:07,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:43:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:43:07,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:43:07,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:43:08,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:08,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:43:08,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:08,169 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:43:08,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [835974031] [2021-10-13 07:43:08,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [835974031] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:43:08,172 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:43:08,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:43:08,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348059822] [2021-10-13 07:43:08,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:43:08,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:43:08,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:43:08,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:43:08,178 INFO L87 Difference]: Start difference. First operand 99 states and 144 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:08,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:43:08,285 INFO L93 Difference]: Finished difference Result 289 states and 430 transitions. [2021-10-13 07:43:08,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:43:08,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 07:43:08,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:43:08,286 INFO L225 Difference]: With dead ends: 289 [2021-10-13 07:43:08,286 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:43:08,291 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:43:08,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:43:08,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:43:08,292 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) [2021-10-13 07:43:08,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:43:08,293 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-13 07:43:08,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:43:08,293 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:43:08,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:08,293 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:43:08,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:43:08,297 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:43:08,297 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:43:08,297 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:43:08,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:43:08,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:43:08,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:43:08,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,724 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:43:08,848 INFO L857 garLoopResultBuilder]: For program point L134-6(lines 134 138) no Hoare annotation was computed. [2021-10-13 07:43:08,848 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2021-10-13 07:43:08,848 INFO L853 garLoopResultBuilder]: At program point L779(lines 779 785) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:43:08,848 INFO L853 garLoopResultBuilder]: At program point L779-1(lines 779 785) the Hoare annotation is: false [2021-10-13 07:43:08,848 INFO L853 garLoopResultBuilder]: At program point L779-2(lines 779 785) the Hoare annotation is: false [2021-10-13 07:43:08,849 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:43:08,849 INFO L853 garLoopResultBuilder]: At program point L912(lines 897 915) the Hoare annotation is: false [2021-10-13 07:43:08,849 INFO L853 garLoopResultBuilder]: At program point L912-1(lines 897 915) the Hoare annotation is: false [2021-10-13 07:43:08,849 INFO L853 garLoopResultBuilder]: At program point L912-2(lines 897 915) the Hoare annotation is: false [2021-10-13 07:43:08,849 INFO L857 garLoopResultBuilder]: For program point L714(lines 714 720) no Hoare annotation was computed. [2021-10-13 07:43:08,849 INFO L853 garLoopResultBuilder]: At program point L714-1(lines 714 720) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:43:08,849 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 310) no Hoare annotation was computed. [2021-10-13 07:43:08,849 INFO L860 garLoopResultBuilder]: At program point L303-1(lines 303 310) the Hoare annotation is: true [2021-10-13 07:43:08,850 INFO L853 garLoopResultBuilder]: At program point L171(lines 166 174) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:43:08,850 INFO L853 garLoopResultBuilder]: At program point L171-1(lines 166 174) the Hoare annotation is: false [2021-10-13 07:43:08,850 INFO L853 garLoopResultBuilder]: At program point L171-2(lines 166 174) the Hoare annotation is: false [2021-10-13 07:43:08,850 INFO L857 garLoopResultBuilder]: For program point L734(lines 734 749) no Hoare annotation was computed. [2021-10-13 07:43:08,850 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:43:08,850 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 162) no Hoare annotation was computed. [2021-10-13 07:43:08,850 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2021-10-13 07:43:08,850 INFO L857 garLoopResultBuilder]: For program point L687(line 687) no Hoare annotation was computed. [2021-10-13 07:43:08,851 INFO L857 garLoopResultBuilder]: For program point L687-1(line 687) no Hoare annotation was computed. [2021-10-13 07:43:08,851 INFO L853 garLoopResultBuilder]: At program point L109(lines 1 938) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:43:08,851 INFO L857 garLoopResultBuilder]: For program point L687-2(line 687) no Hoare annotation was computed. [2021-10-13 07:43:08,851 INFO L853 garLoopResultBuilder]: At program point L754(lines 703 755) the Hoare annotation is: false [2021-10-13 07:43:08,851 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 821) no Hoare annotation was computed. [2021-10-13 07:43:08,851 INFO L857 garLoopResultBuilder]: For program point L804-1(lines 804 821) no Hoare annotation was computed. [2021-10-13 07:43:08,851 INFO L857 garLoopResultBuilder]: For program point L804-2(lines 804 821) no Hoare annotation was computed. [2021-10-13 07:43:08,851 INFO L857 garLoopResultBuilder]: For program point L705(lines 704 753) no Hoare annotation was computed. [2021-10-13 07:43:08,851 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:43:08,852 INFO L857 garLoopResultBuilder]: For program point L920(lines 920 926) no Hoare annotation was computed. [2021-10-13 07:43:08,852 INFO L853 garLoopResultBuilder]: At program point L920-1(lines 920 926) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:43:08,852 INFO L853 garLoopResultBuilder]: At program point L772(lines 771 790) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:43:08,852 INFO L857 garLoopResultBuilder]: For program point L772-1(lines 772 778) no Hoare annotation was computed. [2021-10-13 07:43:08,852 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 710) no Hoare annotation was computed. [2021-10-13 07:43:08,852 INFO L853 garLoopResultBuilder]: At program point L772-2(lines 771 790) the Hoare annotation is: false [2021-10-13 07:43:08,852 INFO L853 garLoopResultBuilder]: At program point L772-3(lines 771 790) the Hoare annotation is: false [2021-10-13 07:43:08,852 INFO L857 garLoopResultBuilder]: For program point L62(lines 62 79) no Hoare annotation was computed. [2021-10-13 07:43:08,853 INFO L853 garLoopResultBuilder]: At program point L62-1(lines 1 938) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:43:08,853 INFO L857 garLoopResultBuilder]: For program point L62-2(lines 62 79) no Hoare annotation was computed. [2021-10-13 07:43:08,853 INFO L853 garLoopResultBuilder]: At program point L62-3(lines 1 938) the Hoare annotation is: false [2021-10-13 07:43:08,853 INFO L857 garLoopResultBuilder]: For program point L62-4(lines 62 79) no Hoare annotation was computed. [2021-10-13 07:43:08,853 INFO L853 garLoopResultBuilder]: At program point L62-5(lines 1 938) the Hoare annotation is: false [2021-10-13 07:43:08,853 INFO L853 garLoopResultBuilder]: At program point L278(lines 274 280) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:43:08,853 INFO L857 garLoopResultBuilder]: For program point L724(lines 724 730) no Hoare annotation was computed. [2021-10-13 07:43:08,853 INFO L853 garLoopResultBuilder]: At program point L212(lines 207 215) the Hoare annotation is: false [2021-10-13 07:43:08,854 INFO L853 garLoopResultBuilder]: At program point L724-1(lines 724 730) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:43:08,854 INFO L853 garLoopResultBuilder]: At program point L212-1(lines 207 215) the Hoare annotation is: false [2021-10-13 07:43:08,854 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 150) no Hoare annotation was computed. [2021-10-13 07:43:08,855 INFO L853 garLoopResultBuilder]: At program point L212-2(lines 207 215) the Hoare annotation is: false [2021-10-13 07:43:08,855 INFO L857 garLoopResultBuilder]: For program point L906(lines 906 910) no Hoare annotation was computed. [2021-10-13 07:43:08,855 INFO L857 garLoopResultBuilder]: For program point L906-2(lines 906 910) no Hoare annotation was computed. [2021-10-13 07:43:08,856 INFO L857 garLoopResultBuilder]: For program point L906-3(lines 906 910) no Hoare annotation was computed. [2021-10-13 07:43:08,856 INFO L857 garLoopResultBuilder]: For program point L906-5(lines 906 910) no Hoare annotation was computed. [2021-10-13 07:43:08,856 INFO L857 garLoopResultBuilder]: For program point L906-6(lines 906 910) no Hoare annotation was computed. [2021-10-13 07:43:08,856 INFO L853 garLoopResultBuilder]: At program point L229-2(lines 229 243) the Hoare annotation is: false [2021-10-13 07:43:08,856 INFO L857 garLoopResultBuilder]: For program point L906-8(lines 906 910) no Hoare annotation was computed. [2021-10-13 07:43:08,856 INFO L853 garLoopResultBuilder]: At program point L857(lines 852 860) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:43:08,857 INFO L853 garLoopResultBuilder]: At program point L857-1(lines 852 860) the Hoare annotation is: false [2021-10-13 07:43:08,857 INFO L860 garLoopResultBuilder]: At program point L312(lines 293 315) the Hoare annotation is: true [2021-10-13 07:43:08,857 INFO L853 garLoopResultBuilder]: At program point L857-2(lines 852 860) the Hoare annotation is: false [2021-10-13 07:43:08,857 INFO L857 garLoopResultBuilder]: For program point L808(lines 808 816) no Hoare annotation was computed. [2021-10-13 07:43:08,857 INFO L857 garLoopResultBuilder]: For program point L808-1(lines 808 816) no Hoare annotation was computed. [2021-10-13 07:43:08,858 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 748) no Hoare annotation was computed. [2021-10-13 07:43:08,858 INFO L857 garLoopResultBuilder]: For program point L230(line 230) no Hoare annotation was computed. [2021-10-13 07:43:08,858 INFO L857 garLoopResultBuilder]: For program point L808-2(lines 808 816) no Hoare annotation was computed. [2021-10-13 07:43:08,858 INFO L853 garLoopResultBuilder]: At program point L742-1(lines 772 778) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:43:08,858 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:43:08,859 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2021-10-13 07:43:08,860 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 76) no Hoare annotation was computed. [2021-10-13 07:43:08,860 INFO L857 garLoopResultBuilder]: For program point L66-2(lines 66 76) no Hoare annotation was computed. [2021-10-13 07:43:08,860 INFO L857 garLoopResultBuilder]: For program point L66-4(lines 66 76) no Hoare annotation was computed. [2021-10-13 07:43:08,860 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-10-13 07:43:08,860 INFO L857 garLoopResultBuilder]: For program point L67-2(lines 67 73) no Hoare annotation was computed. [2021-10-13 07:43:08,861 INFO L857 garLoopResultBuilder]: For program point L67-4(lines 67 73) no Hoare annotation was computed. [2021-10-13 07:43:08,861 INFO L853 garLoopResultBuilder]: At program point L117(lines 112 120) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:43:08,861 INFO L853 garLoopResultBuilder]: At program point L51(lines 46 53) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:43:08,861 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 237) no Hoare annotation was computed. [2021-10-13 07:43:08,861 INFO L857 garLoopResultBuilder]: For program point L233-1(lines 772 778) no Hoare annotation was computed. [2021-10-13 07:43:08,861 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 138) no Hoare annotation was computed. [2021-10-13 07:43:08,862 INFO L857 garLoopResultBuilder]: For program point L134-3(lines 134 138) no Hoare annotation was computed. [2021-10-13 07:43:08,866 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:43:08,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:43:08 BoogieIcfgContainer [2021-10-13 07:43:08,880 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:43:08,881 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:43:08,881 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:43:08,881 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:43:08,882 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:43:04" (3/4) ... [2021-10-13 07:43:08,885 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:43:08,899 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 07:43:08,900 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 07:43:08,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:43:08,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:43:08,902 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:43:08,903 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:43:08,903 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:43:08,931 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-13 07:43:08,968 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:43:08,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:43:08,969 INFO L168 Benchmark]: Toolchain (without parser) took 7397.49 ms. Allocated memory was 65.0 MB in the beginning and 111.1 MB in the end (delta: 46.1 MB). Free memory was 43.3 MB in the beginning and 61.7 MB in the end (delta: -18.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:43:08,970 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 65.0 MB. Free memory is still 45.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:43:08,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.41 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 43.1 MB in the beginning and 52.4 MB in the end (delta: -9.3 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:43:08,970 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.08 ms. Allocated memory is still 83.9 MB. Free memory was 52.4 MB in the beginning and 49.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:43:08,971 INFO L168 Benchmark]: Boogie Preprocessor took 39.79 ms. Allocated memory is still 83.9 MB. Free memory was 49.4 MB in the beginning and 47.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:43:08,971 INFO L168 Benchmark]: RCFGBuilder took 2384.27 ms. Allocated memory is still 83.9 MB. Free memory was 47.3 MB in the beginning and 54.4 MB in the end (delta: -7.1 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:43:08,972 INFO L168 Benchmark]: TraceAbstraction took 4145.77 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 53.9 MB in the beginning and 67.9 MB in the end (delta: -14.1 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:43:08,972 INFO L168 Benchmark]: Witness Printer took 86.89 ms. Allocated memory is still 111.1 MB. Free memory was 67.9 MB in the beginning and 61.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:43:08,974 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 65.0 MB. Free memory is still 45.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 670.41 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 43.1 MB in the beginning and 52.4 MB in the end (delta: -9.3 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.08 ms. Allocated memory is still 83.9 MB. Free memory was 52.4 MB in the beginning and 49.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.79 ms. Allocated memory is still 83.9 MB. Free memory was 49.4 MB in the beginning and 47.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2384.27 ms. Allocated memory is still 83.9 MB. Free memory was 47.3 MB in the beginning and 54.4 MB in the end (delta: -7.1 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4145.77 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 53.9 MB in the beginning and 67.9 MB in the end (delta: -14.1 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. * Witness Printer took 86.89 ms. Allocated memory is still 111.1 MB. Free memory was 67.9 MB in the beginning and 61.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms 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: 687]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 687]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 687]: 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, 81 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4068.6ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 21.9ms, AutomataDifference: 442.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 336.9ms, InitialAbstractionConstructionTime: 13.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 350 SDtfs, 389 SDslu, 439 SDs, 0 SdLazy, 52 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 110.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 124.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 108.1ms AutomataMinimizationTime, 5 MinimizatonAttempts, 146 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 3757 FormulaSimplificationTreeSizeReduction, 244.5ms HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 83.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 123.7ms SsaConstructionTime, 593.1ms SatisfiabilityAnalysisTime, 916.8ms InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 340 SizeOfPredicates, 7 NumberOfNonLiveVariables, 991 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: 46]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-10-13 07:43:09,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386bc093-63b1-492a-a676-85e647de21ef/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...