./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash abdaf7d039f72f53757ac3024ed39e407d16dbdb ............................................................................................................................................ 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_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash abdaf7d039f72f53757ac3024ed39e407d16dbdb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:28:22,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:28:22,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:28:22,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:28:22,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:28:22,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:28:22,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:28:22,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:28:22,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:28:22,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:28:22,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:28:22,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:28:22,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:28:22,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:28:22,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:28:22,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:28:22,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:28:22,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:28:22,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:28:22,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:28:22,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:28:22,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:28:22,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:28:22,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:28:22,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:28:23,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:28:23,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:28:23,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:28:23,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:28:23,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:28:23,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:28:23,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:28:23,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:28:23,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:28:23,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:28:23,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:28:23,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:28:23,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:28:23,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:28:23,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:28:23,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:28:23,016 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:28:23,079 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:28:23,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:28:23,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:28:23,080 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:28:23,081 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:28:23,081 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:28:23,081 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:28:23,081 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:28:23,082 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:28:23,082 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:28:23,082 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:28:23,082 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:28:23,083 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:28:23,083 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:28:23,083 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:28:23,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:28:23,084 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:28:23,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:28:23,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:28:23,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:28:23,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:28:23,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:28:23,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:28:23,085 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:28:23,086 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:28:23,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:28:23,086 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:28:23,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:28:23,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:28:23,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:28:23,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:28:23,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:28:23,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:28:23,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:28:23,099 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:28:23,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:28:23,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:28:23,100 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:28:23,100 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:28:23,100 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_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abdaf7d039f72f53757ac3024ed39e407d16dbdb [2021-10-13 07:28:23,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:28:23,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:28:23,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:28:23,408 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:28:23,409 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:28:23,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2021-10-13 07:28:23,482 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/data/4845adede/9a8a4cb9260e454c81c152eef17e7fcc/FLAG8c49aa9ea [2021-10-13 07:28:24,066 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:28:24,067 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2021-10-13 07:28:24,096 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/data/4845adede/9a8a4cb9260e454c81c152eef17e7fcc/FLAG8c49aa9ea [2021-10-13 07:28:24,378 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/data/4845adede/9a8a4cb9260e454c81c152eef17e7fcc [2021-10-13 07:28:24,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:28:24,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:28:24,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:28:24,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:28:24,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:28:24,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:28:24" (1/1) ... [2021-10-13 07:28:24,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc8fe52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:24, skipping insertion in model container [2021-10-13 07:28:24,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:28:24" (1/1) ... [2021-10-13 07:28:24,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:28:24,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:28:24,742 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_43a9d1be-4d31-4946-91e1-99c98bd1baaa/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c[12699,12712] [2021-10-13 07:28:24,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:28:24,787 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 07:28:24,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@52fce7c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:24, skipping insertion in model container [2021-10-13 07:28:24,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:28:24,788 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:28:24,790 INFO L168 Benchmark]: Toolchain (without parser) took 398.71 ms. Allocated memory is still 92.3 MB. Free memory was 68.0 MB in the beginning and 63.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:24,791 INFO L168 Benchmark]: CDTParser took 0.96 ms. Allocated memory is still 92.3 MB. Free memory is still 63.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:28:24,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.23 ms. Allocated memory is still 92.3 MB. Free memory was 67.7 MB in the beginning and 63.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:24,794 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96 ms. Allocated memory is still 92.3 MB. Free memory is still 63.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 396.23 ms. Allocated memory is still 92.3 MB. Free memory was 67.7 MB in the beginning and 63.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 99]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:28:27,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:28:27,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:28:27,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:28:27,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:28:27,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:28:27,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:28:27,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:28:27,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:28:27,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:28:27,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:28:27,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:28:27,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:28:27,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:28:27,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:28:27,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:28:27,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:28:27,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:28:27,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:28:27,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:28:27,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:28:27,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:28:27,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:28:27,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:28:27,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:28:27,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:28:27,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:28:27,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:28:27,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:28:27,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:28:27,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:28:27,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:28:27,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:28:27,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:28:27,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:28:27,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:28:27,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:28:27,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:28:27,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:28:27,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:28:27,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:28:27,329 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:28:27,381 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:28:27,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:28:27,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:28:27,384 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:28:27,384 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:28:27,385 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:28:27,385 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:28:27,385 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:28:27,386 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:28:27,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:28:27,389 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:28:27,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:28:27,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:28:27,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:28:27,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:28:27,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:28:27,391 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:28:27,391 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:28:27,391 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:28:27,391 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:28:27,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:28:27,392 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:28:27,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:28:27,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:28:27,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:28:27,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:28:27,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:28:27,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:28:27,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:28:27,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:28:27,395 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:28:27,395 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:28:27,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:28:27,396 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:28:27,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:28:27,396 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_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abdaf7d039f72f53757ac3024ed39e407d16dbdb [2021-10-13 07:28:27,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:28:27,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:28:27,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:28:27,830 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:28:27,831 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:28:27,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2021-10-13 07:28:27,922 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/data/98501577f/53ed3677b3de4c5bb81b1076ad3f0f6a/FLAG9371a7e9b [2021-10-13 07:28:28,497 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:28:28,498 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2021-10-13 07:28:28,516 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/data/98501577f/53ed3677b3de4c5bb81b1076ad3f0f6a/FLAG9371a7e9b [2021-10-13 07:28:28,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/data/98501577f/53ed3677b3de4c5bb81b1076ad3f0f6a [2021-10-13 07:28:28,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:28:28,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:28:28,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:28:28,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:28:28,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:28:28,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:28:28" (1/1) ... [2021-10-13 07:28:28,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@360586e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:28, skipping insertion in model container [2021-10-13 07:28:28,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:28:28" (1/1) ... [2021-10-13 07:28:28,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:28:28,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:28:29,134 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_43a9d1be-4d31-4946-91e1-99c98bd1baaa/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c[12699,12712] [2021-10-13 07:28:29,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:28:29,200 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:28:29,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:28:29,284 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_43a9d1be-4d31-4946-91e1-99c98bd1baaa/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c[12699,12712] [2021-10-13 07:28:29,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:28:29,312 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:28:29,402 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_43a9d1be-4d31-4946-91e1-99c98bd1baaa/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c[12699,12712] [2021-10-13 07:28:29,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:28:29,463 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:28:29,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:29 WrapperNode [2021-10-13 07:28:29,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:28:29,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:28:29,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:28:29,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:28:29,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:29" (1/1) ... [2021-10-13 07:28:29,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:29" (1/1) ... [2021-10-13 07:28:29,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:28:29,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:28:29,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:28:29,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:28:29,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:29" (1/1) ... [2021-10-13 07:28:29,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:29" (1/1) ... [2021-10-13 07:28:29,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:29" (1/1) ... [2021-10-13 07:28:29,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:29" (1/1) ... [2021-10-13 07:28:29,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:29" (1/1) ... [2021-10-13 07:28:29,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:29" (1/1) ... [2021-10-13 07:28:29,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:29" (1/1) ... [2021-10-13 07:28:29,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:28:29,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:28:29,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:28:29,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:28:29,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:29" (1/1) ... [2021-10-13 07:28:29,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:28:29,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:28:29,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:28:29,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:28:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:28:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:28:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:28:29,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:28:32,229 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:28:32,230 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2021-10-13 07:28:32,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:28:32 BoogieIcfgContainer [2021-10-13 07:28:32,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:28:32,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:28:32,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:28:32,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:28:32,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:28:28" (1/3) ... [2021-10-13 07:28:32,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a102706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:28:32, skipping insertion in model container [2021-10-13 07:28:32,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:29" (2/3) ... [2021-10-13 07:28:32,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a102706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:28:32, skipping insertion in model container [2021-10-13 07:28:32,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:28:32" (3/3) ... [2021-10-13 07:28:32,241 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2021-10-13 07:28:32,247 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:28:32,247 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 07:28:32,306 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:28:32,312 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:28:32,312 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 07:28:32,330 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) [2021-10-13 07:28:32,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 07:28:32,336 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:28:32,337 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:28:32,338 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:28:32,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:28:32,344 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2021-10-13 07:28:32,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:28:32,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1207120688] [2021-10-13 07:28:32,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:28:32,361 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:28:32,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:28:32,365 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:28:32,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:28:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:28:32,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:28:32,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:28:32,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:32,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:28:32,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:32,754 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:28:32,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1207120688] [2021-10-13 07:28:32,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1207120688] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:28:32,755 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:28:32,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:28:32,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044143750] [2021-10-13 07:28:32,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:28:32,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:28:32,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:28:32,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:28:32,789 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) [2021-10-13 07:28:32,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:28:32,833 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-10-13 07:28:32,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:28:32,834 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 [2021-10-13 07:28:32,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:28:32,850 INFO L225 Difference]: With dead ends: 144 [2021-10-13 07:28:32,851 INFO L226 Difference]: Without dead ends: 71 [2021-10-13 07:28:32,855 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 [2021-10-13 07:28:32,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-13 07:28:32,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-13 07:28:32,920 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) [2021-10-13 07:28:32,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-13 07:28:32,926 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-10-13 07:28:32,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:28:32,926 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-13 07:28:32,926 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) [2021-10-13 07:28:32,927 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-13 07:28:32,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 07:28:32,929 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:28:32,929 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:28:32,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:28:33,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:28:33,147 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:28:33,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:28:33,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2021-10-13 07:28:33,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:28:33,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502864250] [2021-10-13 07:28:33,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:28:33,150 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:28:33,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:28:33,153 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:28:33,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:28:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:28:33,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:28:33,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:28:33,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:33,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:28:33,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:33,492 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:28:33,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [502864250] [2021-10-13 07:28:33,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [502864250] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:28:33,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:28:33,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:28:33,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647290253] [2021-10-13 07:28:33,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:28:33,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:28:33,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:28:33,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:28:33,497 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) [2021-10-13 07:28:33,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:28:33,511 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-10-13 07:28:33,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:28:33,512 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 [2021-10-13 07:28:33,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:28:33,513 INFO L225 Difference]: With dead ends: 71 [2021-10-13 07:28:33,513 INFO L226 Difference]: Without dead ends: 33 [2021-10-13 07:28:33,514 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:28:33,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-13 07:28:33,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-13 07:28:33,519 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) [2021-10-13 07:28:33,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-13 07:28:33,520 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-13 07:28:33,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:28:33,521 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-13 07:28:33,521 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) [2021-10-13 07:28:33,521 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-13 07:28:33,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 07:28:33,522 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:28:33,522 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] [2021-10-13 07:28:33,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:28:33,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:28:33,741 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:28:33,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:28:33,742 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2021-10-13 07:28:33,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:28:33,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177807067] [2021-10-13 07:28:33,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:28:33,748 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:28:33,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:28:33,750 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:28:33,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:28:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:28:33,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:28:33,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:28:34,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:34,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:28:34,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:34,162 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:28:34,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [177807067] [2021-10-13 07:28:34,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [177807067] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:28:34,163 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:28:34,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:28:34,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924242803] [2021-10-13 07:28:34,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:28:34,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:28:34,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:28:34,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:28:34,168 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) [2021-10-13 07:28:34,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:28:34,186 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-10-13 07:28:34,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:28:34,187 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 [2021-10-13 07:28:34,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:28:34,189 INFO L225 Difference]: With dead ends: 60 [2021-10-13 07:28:34,189 INFO L226 Difference]: Without dead ends: 33 [2021-10-13 07:28:34,190 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:28:34,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-13 07:28:34,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-13 07:28:34,199 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) [2021-10-13 07:28:34,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-13 07:28:34,200 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-10-13 07:28:34,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:28:34,200 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-13 07:28:34,201 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) [2021-10-13 07:28:34,201 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-13 07:28:34,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 07:28:34,202 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:28:34,202 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] [2021-10-13 07:28:34,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:28:34,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:28:34,419 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:28:34,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:28:34,420 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2021-10-13 07:28:34,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:28:34,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826173313] [2021-10-13 07:28:34,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:28:34,421 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:28:34,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:28:34,422 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:28:34,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:28:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:28:34,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:28:34,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:28:34,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:34,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:28:34,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:34,855 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:28:34,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1826173313] [2021-10-13 07:28:34,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1826173313] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:28:34,856 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:28:34,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 07:28:34,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373215163] [2021-10-13 07:28:34,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:28:34,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:28:34,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:28:34,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:28:34,858 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) [2021-10-13 07:28:34,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:28:34,962 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-10-13 07:28:34,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 07:28:34,963 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 [2021-10-13 07:28:34,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:28:34,964 INFO L225 Difference]: With dead ends: 151 [2021-10-13 07:28:34,964 INFO L226 Difference]: Without dead ends: 124 [2021-10-13 07:28:34,965 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 50.8ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:28:34,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-13 07:28:34,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2021-10-13 07:28:34,976 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) [2021-10-13 07:28:34,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2021-10-13 07:28:34,976 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2021-10-13 07:28:34,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:28:34,977 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2021-10-13 07:28:34,977 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) [2021-10-13 07:28:34,977 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2021-10-13 07:28:34,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 07:28:34,978 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:28:34,978 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:28:34,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:28:35,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:28:35,192 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:28:35,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:28:35,193 INFO L82 PathProgramCache]: Analyzing trace with hash -142255950, now seen corresponding path program 1 times [2021-10-13 07:28:35,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:28:35,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [35390668] [2021-10-13 07:28:35,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:28:35,194 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:28:35,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:28:35,195 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:28:35,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:28:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:28:35,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:28:35,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:28:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:35,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:28:35,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:28:35,563 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:28:35,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [35390668] [2021-10-13 07:28:35,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [35390668] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:28:35,563 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:28:35,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:28:35,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848372070] [2021-10-13 07:28:35,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:28:35,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:28:35,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:28:35,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:28:35,566 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) [2021-10-13 07:28:35,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:28:35,655 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2021-10-13 07:28:35,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:28:35,656 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 [2021-10-13 07:28:35,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:28:35,656 INFO L225 Difference]: With dead ends: 148 [2021-10-13 07:28:35,657 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:28:35,658 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:28:35,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:28:35,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:28:35,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:28:35,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:28:35,659 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-13 07:28:35,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:28:35,660 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:28:35,660 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) [2021-10-13 07:28:35,660 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:28:35,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:28:35,663 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:28:35,664 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:28:35,664 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:28:35,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:28:35,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:28:35,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:28:35,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:35,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:35,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:35,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:36,284 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2021-10-13 07:28:36,285 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 700) no Hoare annotation was computed. [2021-10-13 07:28:36,285 INFO L857 garLoopResultBuilder]: For program point L696-2(lines 696 700) no Hoare annotation was computed. [2021-10-13 07:28:36,285 INFO L857 garLoopResultBuilder]: For program point L696-3(lines 696 700) no Hoare annotation was computed. [2021-10-13 07:28:36,285 INFO L857 garLoopResultBuilder]: For program point L696-5(lines 696 700) no Hoare annotation was computed. [2021-10-13 07:28:36,285 INFO L857 garLoopResultBuilder]: For program point L696-6(lines 696 700) no Hoare annotation was computed. [2021-10-13 07:28:36,285 INFO L857 garLoopResultBuilder]: For program point L696-8(lines 696 700) no Hoare annotation was computed. [2021-10-13 07:28:36,286 INFO L853 garLoopResultBuilder]: At program point L647(lines 642 650) 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)) [2021-10-13 07:28:36,286 INFO L853 garLoopResultBuilder]: At program point L647-1(lines 642 650) the Hoare annotation is: false [2021-10-13 07:28:36,286 INFO L853 garLoopResultBuilder]: At program point L647-2(lines 642 650) the Hoare annotation is: false [2021-10-13 07:28:36,286 INFO L853 garLoopResultBuilder]: At program point L449-2(lines 449 463) the Hoare annotation is: false [2021-10-13 07:28:36,286 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:28:36,287 INFO L857 garLoopResultBuilder]: For program point L598(lines 598 606) no Hoare annotation was computed. [2021-10-13 07:28:36,287 INFO L857 garLoopResultBuilder]: For program point L53(lines 53 66) no Hoare annotation was computed. [2021-10-13 07:28:36,287 INFO L857 garLoopResultBuilder]: For program point L598-1(lines 598 606) no Hoare annotation was computed. [2021-10-13 07:28:36,287 INFO L853 garLoopResultBuilder]: At program point L53-1(lines 1 895) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:36,287 INFO L857 garLoopResultBuilder]: For program point L598-2(lines 598 606) no Hoare annotation was computed. [2021-10-13 07:28:36,288 INFO L857 garLoopResultBuilder]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2021-10-13 07:28:36,288 INFO L853 garLoopResultBuilder]: At program point L53-3(lines 1 895) the Hoare annotation is: false [2021-10-13 07:28:36,288 INFO L857 garLoopResultBuilder]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2021-10-13 07:28:36,288 INFO L853 garLoopResultBuilder]: At program point L53-5(lines 1 895) the Hoare annotation is: false [2021-10-13 07:28:36,288 INFO L857 garLoopResultBuilder]: For program point L714(lines 714 718) no Hoare annotation was computed. [2021-10-13 07:28:36,288 INFO L857 garLoopResultBuilder]: For program point L714-3(lines 714 718) no Hoare annotation was computed. [2021-10-13 07:28:36,289 INFO L857 garLoopResultBuilder]: For program point L714-6(lines 714 718) no Hoare annotation was computed. [2021-10-13 07:28:36,289 INFO L857 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2021-10-13 07:28:36,289 INFO L853 garLoopResultBuilder]: At program point L500(lines 496 502) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:36,289 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 457) no Hoare annotation was computed. [2021-10-13 07:28:36,289 INFO L857 garLoopResultBuilder]: For program point L453-1(lines 562 568) no Hoare annotation was computed. [2021-10-13 07:28:36,289 INFO L853 garLoopResultBuilder]: At program point L569(lines 569 575) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:36,290 INFO L857 garLoopResultBuilder]: For program point L57(lines 57 63) no Hoare annotation was computed. [2021-10-13 07:28:36,290 INFO L853 garLoopResultBuilder]: At program point L569-1(lines 569 575) the Hoare annotation is: false [2021-10-13 07:28:36,290 INFO L860 garLoopResultBuilder]: At program point L536(lines 517 539) the Hoare annotation is: true [2021-10-13 07:28:36,290 INFO L857 garLoopResultBuilder]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2021-10-13 07:28:36,290 INFO L853 garLoopResultBuilder]: At program point L569-2(lines 569 575) the Hoare annotation is: false [2021-10-13 07:28:36,290 INFO L857 garLoopResultBuilder]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2021-10-13 07:28:36,291 INFO L857 garLoopResultBuilder]: For program point L817(lines 817 823) no Hoare annotation was computed. [2021-10-13 07:28:36,291 INFO L853 garLoopResultBuilder]: At program point L817-1(lines 817 823) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:36,291 INFO L853 garLoopResultBuilder]: At program point L751(lines 746 754) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:36,291 INFO L853 garLoopResultBuilder]: At program point L751-1(lines 746 754) the Hoare annotation is: false [2021-10-13 07:28:36,291 INFO L853 garLoopResultBuilder]: At program point L751-2(lines 746 754) the Hoare annotation is: false [2021-10-13 07:28:36,292 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:28:36,292 INFO L853 garLoopResultBuilder]: At program point L702(lines 687 705) the Hoare annotation is: false [2021-10-13 07:28:36,292 INFO L853 garLoopResultBuilder]: At program point L702-1(lines 687 705) the Hoare annotation is: false [2021-10-13 07:28:36,292 INFO L853 garLoopResultBuilder]: At program point L702-2(lines 687 705) the Hoare annotation is: false [2021-10-13 07:28:36,292 INFO L853 garLoopResultBuilder]: At program point L884(lines 1 895) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:36,293 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2021-10-13 07:28:36,293 INFO L853 garLoopResultBuilder]: At program point L853(lines 806 854) the Hoare annotation is: false [2021-10-13 07:28:36,293 INFO L857 garLoopResultBuilder]: For program point L837(lines 837 848) no Hoare annotation was computed. [2021-10-13 07:28:36,293 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 742) no Hoare annotation was computed. [2021-10-13 07:28:36,293 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:28:36,293 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 534) no Hoare annotation was computed. [2021-10-13 07:28:36,294 INFO L860 garLoopResultBuilder]: At program point L527-1(lines 527 534) the Hoare annotation is: true [2021-10-13 07:28:36,294 INFO L857 garLoopResultBuilder]: For program point L808(lines 807 852) no Hoare annotation was computed. [2021-10-13 07:28:36,294 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:28:36,294 INFO L853 garLoopResultBuilder]: At program point L792(lines 787 795) the Hoare annotation is: false [2021-10-13 07:28:36,294 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2021-10-13 07:28:36,295 INFO L853 garLoopResultBuilder]: At program point L792-1(lines 787 795) the Hoare annotation is: false [2021-10-13 07:28:36,295 INFO L857 garLoopResultBuilder]: For program point L726(lines 726 730) no Hoare annotation was computed. [2021-10-13 07:28:36,295 INFO L853 garLoopResultBuilder]: At program point L792-2(lines 787 795) the Hoare annotation is: false [2021-10-13 07:28:36,295 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 611) no Hoare annotation was computed. [2021-10-13 07:28:36,295 INFO L857 garLoopResultBuilder]: For program point L594-1(lines 594 611) no Hoare annotation was computed. [2021-10-13 07:28:36,295 INFO L857 garLoopResultBuilder]: For program point L594-2(lines 594 611) no Hoare annotation was computed. [2021-10-13 07:28:36,295 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 813) no Hoare annotation was computed. [2021-10-13 07:28:36,296 INFO L857 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-10-13 07:28:36,296 INFO L857 garLoopResultBuilder]: For program point L545-1(line 545) no Hoare annotation was computed. [2021-10-13 07:28:36,296 INFO L857 garLoopResultBuilder]: For program point L545-2(line 545) no Hoare annotation was computed. [2021-10-13 07:28:36,296 INFO L853 garLoopResultBuilder]: At program point L892(lines 887 895) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:36,296 INFO L853 garLoopResultBuilder]: At program point L562(lines 561 580) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:36,296 INFO L857 garLoopResultBuilder]: For program point L562-1(lines 562 568) no Hoare annotation was computed. [2021-10-13 07:28:36,297 INFO L853 garLoopResultBuilder]: At program point L562-2(lines 561 580) the Hoare annotation is: false [2021-10-13 07:28:36,297 INFO L853 garLoopResultBuilder]: At program point L562-3(lines 561 580) the Hoare annotation is: false [2021-10-13 07:28:36,297 INFO L857 garLoopResultBuilder]: For program point L843(lines 843 847) no Hoare annotation was computed. [2021-10-13 07:28:36,297 INFO L857 garLoopResultBuilder]: For program point L843-2(lines 562 568) no Hoare annotation was computed. [2021-10-13 07:28:36,297 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 833) no Hoare annotation was computed. [2021-10-13 07:28:36,297 INFO L853 garLoopResultBuilder]: At program point L827-1(lines 827 833) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:36,302 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:28:36,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:28:36 BoogieIcfgContainer [2021-10-13 07:28:36,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:28:36,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:28:36,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:28:36,319 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:28:36,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:28:32" (3/4) ... [2021-10-13 07:28:36,323 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:28:36,337 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 07:28:36,338 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 07:28:36,338 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:28:36,339 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:28:36,340 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:28:36,340 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:28:36,341 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:28:36,371 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-13 07:28:36,415 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:28:36,418 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:28:36,419 INFO L168 Benchmark]: Toolchain (without parser) took 7591.66 ms. Allocated memory was 52.4 MB in the beginning and 83.9 MB in the end (delta: 31.5 MB). Free memory was 28.6 MB in the beginning and 31.7 MB in the end (delta: -3.2 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:36,425 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 52.4 MB. Free memory was 33.4 MB in the beginning and 33.3 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:28:36,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.85 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 28.4 MB in the beginning and 39.0 MB in the end (delta: -10.6 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:36,426 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.02 ms. Allocated memory is still 67.1 MB. Free memory was 38.8 MB in the beginning and 35.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:36,427 INFO L168 Benchmark]: Boogie Preprocessor took 56.31 ms. Allocated memory is still 67.1 MB. Free memory was 35.9 MB in the beginning and 48.9 MB in the end (delta: -13.1 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:36,427 INFO L168 Benchmark]: RCFGBuilder took 2641.58 ms. Allocated memory is still 67.1 MB. Free memory was 48.9 MB in the beginning and 29.9 MB in the end (delta: 19.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:36,427 INFO L168 Benchmark]: TraceAbstraction took 4083.98 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 29.5 MB in the beginning and 38.0 MB in the end (delta: -8.5 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:36,428 INFO L168 Benchmark]: Witness Printer took 98.97 ms. Allocated memory is still 83.9 MB. Free memory was 38.0 MB in the beginning and 31.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:36,431 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 52.4 MB. Free memory was 33.4 MB in the beginning and 33.3 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 635.85 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 28.4 MB in the beginning and 39.0 MB in the end (delta: -10.6 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.02 ms. Allocated memory is still 67.1 MB. Free memory was 38.8 MB in the beginning and 35.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.31 ms. Allocated memory is still 67.1 MB. Free memory was 35.9 MB in the beginning and 48.9 MB in the end (delta: -13.1 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2641.58 ms. Allocated memory is still 67.1 MB. Free memory was 48.9 MB in the beginning and 29.9 MB in the end (delta: 19.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4083.98 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 29.5 MB in the beginning and 38.0 MB in the end (delta: -8.5 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Witness Printer took 98.97 ms. Allocated memory is still 83.9 MB. Free memory was 38.0 MB in the beginning and 31.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 545]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 545]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 545]: 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: 3998.5ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 16.2ms, AutomataDifference: 334.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 407.0ms, InitialAbstractionConstructionTime: 12.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 311 SDtfs, 352 SDslu, 264 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 80.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 102.8ms 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: 66.6ms AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 123 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1049 FormulaSimplificationTreeSizeReduction, 293.9ms HoareSimplificationTime, 30 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 102.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 120.7ms SsaConstructionTime, 562.0ms SatisfiabilityAnalysisTime, 925.0ms 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: 569]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:28:36,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a9d1be-4d31-4946-91e1-99c98bd1baaa/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...