./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5abd504bc7fd9e1d9830fe8cb395b594cef8d9561a1cc007a8c59d03b6adcc21 ............................................................................................................................................ 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_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5abd504bc7fd9e1d9830fe8cb395b594cef8d9561a1cc007a8c59d03b6adcc21 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:54:19,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:54:19,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:54:19,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:54:19,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:54:19,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:54:19,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:54:19,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:54:19,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:54:19,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:54:19,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:54:19,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:54:19,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:54:19,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:54:19,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:54:19,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:54:19,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:54:19,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:54:19,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:54:19,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:54:19,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:54:19,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:54:19,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:54:19,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:54:19,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:54:20,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:54:20,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:54:20,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:54:20,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:54:20,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:54:20,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:54:20,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:54:20,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:54:20,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:54:20,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:54:20,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:54:20,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:54:20,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:54:20,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:54:20,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:54:20,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:54:20,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:54:20,063 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:54:20,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:54:20,065 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:54:20,066 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:54:20,066 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:54:20,066 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:54:20,066 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:54:20,067 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:54:20,067 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:54:20,067 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:54:20,074 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:54:20,075 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:54:20,075 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:54:20,075 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:54:20,076 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:54:20,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:54:20,077 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:54:20,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:54:20,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:54:20,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:54:20,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:54:20,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:54:20,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:54:20,078 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:54:20,079 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:54:20,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:54:20,079 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:54:20,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:54:20,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:54:20,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:54:20,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:54:20,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:54:20,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:54:20,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:54:20,083 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:54:20,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:54:20,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:54:20,083 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:54:20,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:54:20,084 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_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5abd504bc7fd9e1d9830fe8cb395b594cef8d9561a1cc007a8c59d03b6adcc21 [2021-10-24 10:54:20,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:54:20,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:54:20,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:54:20,435 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:54:20,435 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:54:20,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2021-10-24 10:54:20,518 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/data/984a6a297/25168c9326e3455ea7997eab61acc4aa/FLAG588e67313 [2021-10-24 10:54:21,174 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:54:21,174 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2021-10-24 10:54:21,197 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/data/984a6a297/25168c9326e3455ea7997eab61acc4aa/FLAG588e67313 [2021-10-24 10:54:21,440 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/data/984a6a297/25168c9326e3455ea7997eab61acc4aa [2021-10-24 10:54:21,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:54:21,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:54:21,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:54:21,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:54:21,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:54:21,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:54:21" (1/1) ... [2021-10-24 10:54:21,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e22b338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:21, skipping insertion in model container [2021-10-24 10:54:21,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:54:21" (1/1) ... [2021-10-24 10:54:21,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:54:21,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:54:21,747 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_9215c130-84c3-4c86-bf64-7514c619cf0d/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c[3924,3937] [2021-10-24 10:54:21,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:54:21,852 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-24 10:54:21,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d3eb9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:21, skipping insertion in model container [2021-10-24 10:54:21,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:54:21,854 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:54:21,856 INFO L168 Benchmark]: Toolchain (without parser) took 411.63 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 54.8 MB in the beginning and 97.1 MB in the end (delta: -42.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:54:21,857 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 92.3 MB. Free memory is still 72.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:54:21,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.61 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 54.6 MB in the beginning and 97.1 MB in the end (delta: -42.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:54:21,860 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 92.3 MB. Free memory is still 72.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 399.61 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 54.6 MB in the beginning and 97.1 MB in the end (delta: -42.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 585]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:54:24,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:54:24,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:54:24,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:54:24,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:54:24,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:54:24,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:54:24,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:54:24,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:54:24,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:54:24,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:54:24,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:54:24,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:54:24,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:54:24,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:54:24,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:54:24,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:54:24,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:54:24,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:54:24,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:54:24,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:54:24,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:54:24,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:54:24,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:54:24,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:54:24,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:54:24,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:54:24,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:54:24,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:54:24,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:54:24,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:54:24,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:54:24,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:54:24,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:54:24,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:54:24,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:54:24,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:54:24,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:54:24,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:54:24,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:54:24,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:54:24,205 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:54:24,251 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:54:24,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:54:24,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:54:24,253 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:54:24,254 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:54:24,254 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:54:24,254 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:54:24,254 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:54:24,255 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:54:24,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:54:24,257 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:54:24,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:54:24,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:54:24,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:54:24,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:54:24,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:54:24,259 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:54:24,259 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:54:24,259 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:54:24,259 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:54:24,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:54:24,260 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:54:24,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:54:24,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:54:24,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:54:24,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:54:24,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:54:24,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:54:24,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:54:24,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:54:24,262 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:54:24,262 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:54:24,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:54:24,263 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:54:24,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:54:24,263 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_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5abd504bc7fd9e1d9830fe8cb395b594cef8d9561a1cc007a8c59d03b6adcc21 [2021-10-24 10:54:24,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:54:24,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:54:24,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:54:24,710 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:54:24,711 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:54:24,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2021-10-24 10:54:24,793 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/data/c7bf9c367/04f5238f279d411cbe011434624485cf/FLAG6046ede8d [2021-10-24 10:54:25,444 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:54:25,445 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2021-10-24 10:54:25,458 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/data/c7bf9c367/04f5238f279d411cbe011434624485cf/FLAG6046ede8d [2021-10-24 10:54:25,753 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/data/c7bf9c367/04f5238f279d411cbe011434624485cf [2021-10-24 10:54:25,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:54:25,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:54:25,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:54:25,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:54:25,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:54:25,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:54:25" (1/1) ... [2021-10-24 10:54:25,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ea1c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:25, skipping insertion in model container [2021-10-24 10:54:25,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:54:25" (1/1) ... [2021-10-24 10:54:25,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:54:25,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:54:26,003 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_9215c130-84c3-4c86-bf64-7514c619cf0d/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c[3924,3937] [2021-10-24 10:54:26,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:54:26,225 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:54:26,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:54:26,273 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_9215c130-84c3-4c86-bf64-7514c619cf0d/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c[3924,3937] [2021-10-24 10:54:26,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:54:26,325 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:54:26,366 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_9215c130-84c3-4c86-bf64-7514c619cf0d/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c[3924,3937] [2021-10-24 10:54:26,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:54:26,449 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:54:26,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:26 WrapperNode [2021-10-24 10:54:26,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:54:26,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:54:26,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:54:26,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:54:26,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:26" (1/1) ... [2021-10-24 10:54:26,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:26" (1/1) ... [2021-10-24 10:54:26,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:54:26,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:54:26,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:54:26,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:54:26,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:26" (1/1) ... [2021-10-24 10:54:26,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:26" (1/1) ... [2021-10-24 10:54:26,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:26" (1/1) ... [2021-10-24 10:54:26,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:26" (1/1) ... [2021-10-24 10:54:26,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:26" (1/1) ... [2021-10-24 10:54:26,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:26" (1/1) ... [2021-10-24 10:54:26,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:26" (1/1) ... [2021-10-24 10:54:26,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:54:26,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:54:26,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:54:26,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:54:26,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:26" (1/1) ... [2021-10-24 10:54:26,624 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:54:26,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:54:26,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:54:26,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:54:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:54:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:54:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:54:26,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:54:29,110 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:54:29,110 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2021-10-24 10:54:29,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:54:29 BoogieIcfgContainer [2021-10-24 10:54:29,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:54:29,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:54:29,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:54:29,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:54:29,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:54:25" (1/3) ... [2021-10-24 10:54:29,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4249959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:54:29, skipping insertion in model container [2021-10-24 10:54:29,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:26" (2/3) ... [2021-10-24 10:54:29,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4249959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:54:29, skipping insertion in model container [2021-10-24 10:54:29,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:54:29" (3/3) ... [2021-10-24 10:54:29,122 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product25.cil.c [2021-10-24 10:54:29,128 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:54:29,128 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:54:29,179 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:54:29,186 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:54:29,186 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:54:29,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:29,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 10:54:29,215 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:54:29,216 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:54:29,216 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:54:29,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:54:29,229 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2021-10-24 10:54:29,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:54:29,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [100599301] [2021-10-24 10:54:29,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:54:29,247 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:54:29,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:54:29,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:54:29,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:54:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:54:29,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:54:29,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:54:29,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:29,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:54:29,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:29,595 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:54:29,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [100599301] [2021-10-24 10:54:29,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [100599301] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:54:29,596 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:54:29,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:54:29,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420524708] [2021-10-24 10:54:29,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:54:29,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:54:29,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:54:29,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:54:29,620 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:29,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:54:29,645 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-10-24 10:54:29,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:54:29,647 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-24 10:54:29,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:54:29,657 INFO L225 Difference]: With dead ends: 144 [2021-10-24 10:54:29,657 INFO L226 Difference]: Without dead ends: 71 [2021-10-24 10:54:29,660 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:54:29,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-24 10:54:29,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-24 10:54:29,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 68 states have (on average 1.4558823529411764) internal successors, (99), 70 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:29,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-24 10:54:29,701 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-10-24 10:54:29,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:54:29,701 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-24 10:54:29,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:29,702 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-24 10:54:29,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 10:54:29,703 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:54:29,703 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:54:29,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:54:29,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:54:29,921 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:54:29,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:54:29,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2021-10-24 10:54:29,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:54:29,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785539561] [2021-10-24 10:54:29,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:54:29,924 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:54:29,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:54:29,927 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:54:29,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:54:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:54:30,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:54:30,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:54:30,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:30,207 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:54:30,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:30,271 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:54:30,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1785539561] [2021-10-24 10:54:30,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1785539561] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:54:30,273 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:54:30,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:54:30,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685981463] [2021-10-24 10:54:30,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:54:30,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:54:30,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:54:30,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:54:30,282 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:30,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:54:30,312 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-10-24 10:54:30,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:54:30,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-24 10:54:30,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:54:30,315 INFO L225 Difference]: With dead ends: 71 [2021-10-24 10:54:30,315 INFO L226 Difference]: Without dead ends: 33 [2021-10-24 10:54:30,316 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:54:30,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-24 10:54:30,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-24 10:54:30,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:30,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-24 10:54:30,331 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-24 10:54:30,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:54:30,331 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-24 10:54:30,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:30,333 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-24 10:54:30,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 10:54:30,333 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:54:30,338 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:54:30,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:54:30,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:54:30,549 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:54:30,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:54:30,550 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2021-10-24 10:54:30,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:54:30,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1228181268] [2021-10-24 10:54:30,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:54:30,551 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:54:30,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:54:30,556 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:54:30,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:54:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:54:30,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:54:30,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:54:30,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:30,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:54:31,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:31,005 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:54:31,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1228181268] [2021-10-24 10:54:31,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1228181268] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:54:31,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:54:31,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:54:31,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110074998] [2021-10-24 10:54:31,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:54:31,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:54:31,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:54:31,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:54:31,008 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:31,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:54:31,016 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-10-24 10:54:31,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:54:31,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-24 10:54:31,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:54:31,017 INFO L225 Difference]: With dead ends: 60 [2021-10-24 10:54:31,018 INFO L226 Difference]: Without dead ends: 33 [2021-10-24 10:54:31,018 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:54:31,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-24 10:54:31,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-24 10:54:31,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:31,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-24 10:54:31,023 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-10-24 10:54:31,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:54:31,024 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-24 10:54:31,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:31,024 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-24 10:54:31,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-24 10:54:31,025 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:54:31,025 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:54:31,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:54:31,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:54:31,238 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:54:31,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:54:31,239 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2021-10-24 10:54:31,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:54:31,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1284597544] [2021-10-24 10:54:31,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:54:31,240 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:54:31,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:54:31,241 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:54:31,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:54:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:54:31,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:54:31,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:54:31,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:31,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:54:31,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:31,704 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:54:31,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1284597544] [2021-10-24 10:54:31,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1284597544] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:54:31,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:54:31,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 10:54:31,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176807910] [2021-10-24 10:54:31,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:54:31,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:54:31,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:54:31,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:54:31,709 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:31,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:54:31,827 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-10-24 10:54:31,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 10:54:31,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-24 10:54:31,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:54:31,834 INFO L225 Difference]: With dead ends: 151 [2021-10-24 10:54:31,834 INFO L226 Difference]: Without dead ends: 124 [2021-10-24 10:54:31,835 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 54.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:54:31,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-24 10:54:31,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2021-10-24 10:54:31,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 55 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:31,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2021-10-24 10:54:31,857 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2021-10-24 10:54:31,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:54:31,857 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2021-10-24 10:54:31,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:31,857 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2021-10-24 10:54:31,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:54:31,858 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:54:31,859 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:54:31,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:54:32,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:54:32,073 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:54:32,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:54:32,074 INFO L82 PathProgramCache]: Analyzing trace with hash -142255950, now seen corresponding path program 1 times [2021-10-24 10:54:32,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:54:32,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1197627042] [2021-10-24 10:54:32,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:54:32,075 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:54:32,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:54:32,076 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:54:32,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:54:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:54:32,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:54:32,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:54:32,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:32,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:54:32,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:32,466 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:54:32,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1197627042] [2021-10-24 10:54:32,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1197627042] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:54:32,467 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:54:32,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:54:32,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882463843] [2021-10-24 10:54:32,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:54:32,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:54:32,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:54:32,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:54:32,469 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:32,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:54:32,570 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2021-10-24 10:54:32,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:54:32,571 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 10:54:32,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:54:32,572 INFO L225 Difference]: With dead ends: 148 [2021-10-24 10:54:32,572 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:54:32,575 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:54:32,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:54:32,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:54:32,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:32,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:54:32,577 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-24 10:54:32,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:54:32,577 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:54:32,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:32,577 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:54:32,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:54:32,581 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:54:32,581 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:54:32,582 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:54:32,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:54:32,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:54:32,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:54:32,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:32,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:33,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:33,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:33,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:33,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:33,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:33,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:33,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:33,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:33,197 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 216) no Hoare annotation was computed. [2021-10-24 10:54:33,197 INFO L857 garLoopResultBuilder]: For program point L416(lines 416 422) no Hoare annotation was computed. [2021-10-24 10:54:33,197 INFO L853 garLoopResultBuilder]: At program point L416-1(lines 416 422) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:54:33,197 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:54:33,197 INFO L857 garLoopResultBuilder]: For program point L268(lines 268 276) no Hoare annotation was computed. [2021-10-24 10:54:33,197 INFO L857 garLoopResultBuilder]: For program point L268-1(lines 268 276) no Hoare annotation was computed. [2021-10-24 10:54:33,198 INFO L857 garLoopResultBuilder]: For program point L268-2(lines 268 276) no Hoare annotation was computed. [2021-10-24 10:54:33,198 INFO L857 garLoopResultBuilder]: For program point L384(lines 384 388) no Hoare annotation was computed. [2021-10-24 10:54:33,198 INFO L857 garLoopResultBuilder]: For program point L384-2(lines 384 388) no Hoare annotation was computed. [2021-10-24 10:54:33,198 INFO L857 garLoopResultBuilder]: For program point L384-3(lines 384 388) no Hoare annotation was computed. [2021-10-24 10:54:33,198 INFO L857 garLoopResultBuilder]: For program point L384-5(lines 384 388) no Hoare annotation was computed. [2021-10-24 10:54:33,198 INFO L857 garLoopResultBuilder]: For program point L384-6(lines 384 388) no Hoare annotation was computed. [2021-10-24 10:54:33,198 INFO L857 garLoopResultBuilder]: For program point L384-8(lines 384 388) no Hoare annotation was computed. [2021-10-24 10:54:33,198 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-10-24 10:54:33,198 INFO L853 garLoopResultBuilder]: At program point L335(lines 330 338) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:54:33,199 INFO L853 garLoopResultBuilder]: At program point L335-1(lines 330 338) the Hoare annotation is: false [2021-10-24 10:54:33,199 INFO L853 garLoopResultBuilder]: At program point L335-2(lines 330 338) the Hoare annotation is: false [2021-10-24 10:54:33,199 INFO L853 garLoopResultBuilder]: At program point L171(lines 1 921) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:54:33,199 INFO L853 garLoopResultBuilder]: At program point L452(lines 405 453) the Hoare annotation is: false [2021-10-24 10:54:33,199 INFO L857 garLoopResultBuilder]: For program point L436(lines 436 447) no Hoare annotation was computed. [2021-10-24 10:54:33,199 INFO L860 garLoopResultBuilder]: At program point L552(lines 533 555) the Hoare annotation is: true [2021-10-24 10:54:33,199 INFO L853 garLoopResultBuilder]: At program point L239(lines 239 245) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:54:33,199 INFO L853 garLoopResultBuilder]: At program point L239-1(lines 239 245) the Hoare annotation is: false [2021-10-24 10:54:33,200 INFO L853 garLoopResultBuilder]: At program point L239-2(lines 239 245) the Hoare annotation is: false [2021-10-24 10:54:33,200 INFO L853 garLoopResultBuilder]: At program point L520(lines 516 522) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:54:33,200 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:54:33,200 INFO L853 garLoopResultBuilder]: At program point L141(lines 136 144) the Hoare annotation is: false [2021-10-24 10:54:33,200 INFO L853 garLoopResultBuilder]: At program point L141-1(lines 136 144) the Hoare annotation is: false [2021-10-24 10:54:33,200 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-10-24 10:54:33,200 INFO L853 garLoopResultBuilder]: At program point L141-2(lines 136 144) the Hoare annotation is: false [2021-10-24 10:54:33,201 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 216) no Hoare annotation was computed. [2021-10-24 10:54:33,201 INFO L853 garLoopResultBuilder]: At program point L472-2(lines 472 486) the Hoare annotation is: false [2021-10-24 10:54:33,201 INFO L853 garLoopResultBuilder]: At program point L390(lines 375 393) the Hoare annotation is: false [2021-10-24 10:54:33,201 INFO L853 garLoopResultBuilder]: At program point L390-1(lines 375 393) the Hoare annotation is: false [2021-10-24 10:54:33,201 INFO L853 garLoopResultBuilder]: At program point L390-2(lines 375 393) the Hoare annotation is: false [2021-10-24 10:54:33,201 INFO L857 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-10-24 10:54:33,201 INFO L857 garLoopResultBuilder]: For program point L407(lines 406 451) no Hoare annotation was computed. [2021-10-24 10:54:33,201 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:54:33,202 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 412) no Hoare annotation was computed. [2021-10-24 10:54:33,202 INFO L857 garLoopResultBuilder]: For program point L194(lines 194 207) no Hoare annotation was computed. [2021-10-24 10:54:33,202 INFO L853 garLoopResultBuilder]: At program point L194-1(lines 1 921) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:54:33,202 INFO L857 garLoopResultBuilder]: For program point L194-2(lines 194 207) no Hoare annotation was computed. [2021-10-24 10:54:33,202 INFO L853 garLoopResultBuilder]: At program point L194-3(lines 1 921) the Hoare annotation is: false [2021-10-24 10:54:33,202 INFO L857 garLoopResultBuilder]: For program point L194-4(lines 194 207) no Hoare annotation was computed. [2021-10-24 10:54:33,202 INFO L853 garLoopResultBuilder]: At program point L194-5(lines 1 921) the Hoare annotation is: false [2021-10-24 10:54:33,202 INFO L857 garLoopResultBuilder]: For program point L442(lines 442 446) no Hoare annotation was computed. [2021-10-24 10:54:33,203 INFO L857 garLoopResultBuilder]: For program point L442-2(lines 232 238) no Hoare annotation was computed. [2021-10-24 10:54:33,203 INFO L857 garLoopResultBuilder]: For program point L426(lines 426 432) no Hoare annotation was computed. [2021-10-24 10:54:33,203 INFO L853 garLoopResultBuilder]: At program point L426-1(lines 426 432) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:54:33,203 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:54:33,203 INFO L857 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:54:33,203 INFO L857 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2021-10-24 10:54:33,203 INFO L857 garLoopResultBuilder]: For program point L476-1(lines 232 238) no Hoare annotation was computed. [2021-10-24 10:54:33,203 INFO L857 garLoopResultBuilder]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:54:33,204 INFO L853 garLoopResultBuilder]: At program point L179(lines 174 182) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:54:33,204 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 550) no Hoare annotation was computed. [2021-10-24 10:54:33,204 INFO L860 garLoopResultBuilder]: At program point L543-1(lines 543 550) the Hoare annotation is: true [2021-10-24 10:54:33,204 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:54:33,204 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 216) no Hoare annotation was computed. [2021-10-24 10:54:33,204 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 281) no Hoare annotation was computed. [2021-10-24 10:54:33,204 INFO L857 garLoopResultBuilder]: For program point L264-1(lines 264 281) no Hoare annotation was computed. [2021-10-24 10:54:33,209 INFO L857 garLoopResultBuilder]: For program point L198(lines 198 204) no Hoare annotation was computed. [2021-10-24 10:54:33,210 INFO L857 garLoopResultBuilder]: For program point L264-2(lines 264 281) no Hoare annotation was computed. [2021-10-24 10:54:33,210 INFO L857 garLoopResultBuilder]: For program point L198-2(lines 198 204) no Hoare annotation was computed. [2021-10-24 10:54:33,210 INFO L857 garLoopResultBuilder]: For program point L198-4(lines 198 204) no Hoare annotation was computed. [2021-10-24 10:54:33,210 INFO L853 garLoopResultBuilder]: At program point L232(lines 231 250) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:54:33,211 INFO L857 garLoopResultBuilder]: For program point L232-1(lines 232 238) no Hoare annotation was computed. [2021-10-24 10:54:33,211 INFO L853 garLoopResultBuilder]: At program point L232-2(lines 231 250) the Hoare annotation is: false [2021-10-24 10:54:33,211 INFO L853 garLoopResultBuilder]: At program point L232-3(lines 231 250) the Hoare annotation is: false [2021-10-24 10:54:33,211 INFO L853 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:54:33,211 INFO L853 garLoopResultBuilder]: At program point L100-1(lines 95 103) the Hoare annotation is: false [2021-10-24 10:54:33,213 INFO L853 garLoopResultBuilder]: At program point L100-2(lines 95 103) the Hoare annotation is: false [2021-10-24 10:54:33,214 INFO L857 garLoopResultBuilder]: For program point L216(line 216) no Hoare annotation was computed. [2021-10-24 10:54:33,214 INFO L857 garLoopResultBuilder]: For program point L216-1(line 216) no Hoare annotation was computed. [2021-10-24 10:54:33,215 INFO L857 garLoopResultBuilder]: For program point L216-2(line 216) no Hoare annotation was computed. [2021-10-24 10:54:33,220 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:54:33,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:54:33 BoogieIcfgContainer [2021-10-24 10:54:33,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:54:33,248 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:54:33,249 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:54:33,249 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:54:33,249 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:54:29" (3/4) ... [2021-10-24 10:54:33,252 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:54:33,275 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:54:33,276 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:54:33,277 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:54:33,278 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:54:33,278 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:54:33,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:54:33,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:54:33,325 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:54:33,385 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:54:33,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:54:33,387 INFO L168 Benchmark]: Toolchain (without parser) took 7628.71 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 39.9 MB in the beginning and 42.3 MB in the end (delta: -2.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:54:33,388 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 60.8 MB. Free memory is still 42.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:54:33,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.05 ms. Allocated memory is still 60.8 MB. Free memory was 39.6 MB in the beginning and 30.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:54:33,389 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.14 ms. Allocated memory is still 60.8 MB. Free memory was 30.4 MB in the beginning and 27.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:54:33,389 INFO L168 Benchmark]: Boogie Preprocessor took 68.76 ms. Allocated memory is still 60.8 MB. Free memory was 27.3 MB in the beginning and 25.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:54:33,390 INFO L168 Benchmark]: RCFGBuilder took 2501.00 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 25.2 MB in the beginning and 40.4 MB in the end (delta: -15.2 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:54:33,390 INFO L168 Benchmark]: TraceAbstraction took 4133.72 ms. Allocated memory is still 79.7 MB. Free memory was 39.7 MB in the beginning and 48.5 MB in the end (delta: -8.9 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:54:33,391 INFO L168 Benchmark]: Witness Printer took 136.90 ms. Allocated memory is still 79.7 MB. Free memory was 48.5 MB in the beginning and 42.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:54:33,393 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 60.8 MB. Free memory is still 42.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 692.05 ms. Allocated memory is still 60.8 MB. Free memory was 39.6 MB in the beginning and 30.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.14 ms. Allocated memory is still 60.8 MB. Free memory was 30.4 MB in the beginning and 27.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.76 ms. Allocated memory is still 60.8 MB. Free memory was 27.3 MB in the beginning and 25.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2501.00 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 25.2 MB in the beginning and 40.4 MB in the end (delta: -15.2 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4133.72 ms. Allocated memory is still 79.7 MB. Free memory was 39.7 MB in the beginning and 48.5 MB in the end (delta: -8.9 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Witness Printer took 136.90 ms. Allocated memory is still 79.7 MB. Free memory was 48.5 MB in the beginning and 42.3 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: 216]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 216]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 216]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4043.4ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 21.2ms, AutomataDifference: 343.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 401.4ms, InitialAbstractionConstructionTime: 11.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 311 SDtfs, 352 SDslu, 264 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 76.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 111.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 67.0ms AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 123 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1049 FormulaSimplificationTreeSizeReduction, 278.8ms HoareSimplificationTime, 30 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 113.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 129.9ms SsaConstructionTime, 593.7ms SatisfiabilityAnalysisTime, 944.7ms InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 381 SizeOfPredicates, 7 NumberOfNonLiveVariables, 973 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: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:54:33,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9215c130-84c3-4c86-bf64-7514c619cf0d/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...