./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6eb031202bc5e91677d057e2e99b15d2f4511feedab41faf47e955f82709dea4 ............................................................................................................................................ 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_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6eb031202bc5e91677d057e2e99b15d2f4511feedab41faf47e955f82709dea4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:29:36,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:29:36,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:29:36,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:29:36,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:29:36,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:29:36,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:29:36,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:29:36,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:29:36,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:29:36,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:29:36,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:29:36,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:29:36,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:29:36,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:29:36,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:29:36,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:29:36,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:29:36,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:29:36,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:29:36,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:29:36,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:29:36,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:29:36,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:29:36,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:29:36,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:29:36,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:29:36,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:29:36,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:29:36,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:29:36,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:29:36,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:29:36,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:29:36,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:29:36,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:29:36,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:29:36,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:29:36,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:29:36,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:29:36,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:29:36,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:29:36,958 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:29:36,982 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:29:36,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:29:36,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:29:36,984 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:29:36,984 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:29:36,985 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:29:36,985 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:29:36,985 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:29:36,986 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:29:36,986 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:29:36,987 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:29:36,987 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:29:36,988 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:29:36,988 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:29:36,989 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:29:36,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:29:36,990 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:29:36,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:29:36,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:29:36,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:29:36,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:29:36,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:29:36,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:29:36,992 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:29:36,992 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:29:36,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:29:36,993 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:29:36,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:29:36,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:29:36,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:29:36,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:29:36,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:29:36,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:29:36,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:29:36,996 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:29:36,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:29:36,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:29:36,997 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:29:36,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:29:36,997 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_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eb031202bc5e91677d057e2e99b15d2f4511feedab41faf47e955f82709dea4 [2021-10-24 10:29:37,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:29:37,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:29:37,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:29:37,304 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:29:37,307 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:29:37,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2021-10-24 10:29:37,365 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/data/dfd86e640/e740837c66914d5797e38d227d98b200/FLAGd188fd93d [2021-10-24 10:29:37,837 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:29:37,838 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2021-10-24 10:29:37,848 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/data/dfd86e640/e740837c66914d5797e38d227d98b200/FLAGd188fd93d [2021-10-24 10:29:38,183 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/data/dfd86e640/e740837c66914d5797e38d227d98b200 [2021-10-24 10:29:38,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:29:38,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:29:38,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:29:38,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:29:38,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:29:38,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:29:38" (1/1) ... [2021-10-24 10:29:38,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28936a43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:38, skipping insertion in model container [2021-10-24 10:29:38,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:29:38" (1/1) ... [2021-10-24 10:29:38,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:29:38,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:29:38,441 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_971c8693-ee18-4aa7-91dd-934fd454760b/sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c[2897,2910] [2021-10-24 10:29:38,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:29:38,587 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-24 10:29:38,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@210065d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:38, skipping insertion in model container [2021-10-24 10:29:38,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:29:38,589 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:29:38,591 INFO L168 Benchmark]: Toolchain (without parser) took 400.27 ms. Allocated memory is still 96.5 MB. Free memory was 54.1 MB in the beginning and 69.3 MB in the end (delta: -15.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:29:38,596 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 96.5 MB. Free memory is still 71.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:29:38,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.01 ms. Allocated memory is still 96.5 MB. Free memory was 53.9 MB in the beginning and 69.3 MB in the end (delta: -15.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:29:38,598 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 96.5 MB. Free memory is still 71.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 397.01 ms. Allocated memory is still 96.5 MB. Free memory was 53.9 MB in the beginning and 69.3 MB in the end (delta: -15.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 458]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:29:40,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:29:40,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:29:40,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:29:40,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:29:40,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:29:40,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:29:40,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:29:40,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:29:40,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:29:40,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:29:40,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:29:40,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:29:40,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:29:40,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:29:40,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:29:40,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:29:40,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:29:40,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:29:40,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:29:40,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:29:40,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:29:40,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:29:40,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:29:40,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:29:40,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:29:40,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:29:40,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:29:40,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:29:40,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:29:40,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:29:40,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:29:40,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:29:40,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:29:40,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:29:40,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:29:40,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:29:40,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:29:40,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:29:40,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:29:40,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:29:40,814 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:29:40,860 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:29:40,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:29:40,861 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:29:40,862 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:29:40,862 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:29:40,862 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:29:40,862 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:29:40,862 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:29:40,863 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:29:40,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:29:40,865 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:29:40,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:29:40,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:29:40,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:29:40,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:29:40,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:29:40,866 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:29:40,866 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:29:40,867 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:29:40,867 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:29:40,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:29:40,867 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:29:40,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:29:40,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:29:40,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:29:40,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:29:40,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:29:40,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:29:40,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:29:40,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:29:40,869 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:29:40,869 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:29:40,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:29:40,870 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:29:40,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:29:40,870 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_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eb031202bc5e91677d057e2e99b15d2f4511feedab41faf47e955f82709dea4 [2021-10-24 10:29:41,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:29:41,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:29:41,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:29:41,246 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:29:41,248 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:29:41,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2021-10-24 10:29:41,309 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/data/c93ed78ae/0eb28f7f98a545ecbe99f32525a6b86c/FLAG0e8031458 [2021-10-24 10:29:41,752 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:29:41,757 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2021-10-24 10:29:41,772 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/data/c93ed78ae/0eb28f7f98a545ecbe99f32525a6b86c/FLAG0e8031458 [2021-10-24 10:29:42,127 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/data/c93ed78ae/0eb28f7f98a545ecbe99f32525a6b86c [2021-10-24 10:29:42,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:29:42,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:29:42,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:29:42,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:29:42,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:29:42,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:29:42" (1/1) ... [2021-10-24 10:29:42,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dabfbc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:42, skipping insertion in model container [2021-10-24 10:29:42,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:29:42" (1/1) ... [2021-10-24 10:29:42,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:29:42,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:29:42,443 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_971c8693-ee18-4aa7-91dd-934fd454760b/sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c[2897,2910] [2021-10-24 10:29:42,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:29:42,582 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:29:42,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:29:42,606 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_971c8693-ee18-4aa7-91dd-934fd454760b/sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c[2897,2910] [2021-10-24 10:29:42,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:29:42,692 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:29:42,708 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_971c8693-ee18-4aa7-91dd-934fd454760b/sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c[2897,2910] [2021-10-24 10:29:42,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:29:42,789 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:29:42,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:42 WrapperNode [2021-10-24 10:29:42,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:29:42,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:29:42,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:29:42,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:29:42,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:42" (1/1) ... [2021-10-24 10:29:42,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:42" (1/1) ... [2021-10-24 10:29:42,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:29:42,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:29:42,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:29:42,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:29:42,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:42" (1/1) ... [2021-10-24 10:29:42,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:42" (1/1) ... [2021-10-24 10:29:42,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:42" (1/1) ... [2021-10-24 10:29:42,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:42" (1/1) ... [2021-10-24 10:29:42,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:42" (1/1) ... [2021-10-24 10:29:42,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:42" (1/1) ... [2021-10-24 10:29:42,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:42" (1/1) ... [2021-10-24 10:29:42,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:29:42,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:29:42,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:29:42,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:29:42,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:42" (1/1) ... [2021-10-24 10:29:42,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:29:42,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:29:42,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:29:42,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:29:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:29:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:29:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:29:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:29:44,936 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:29:44,936 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-10-24 10:29:44,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:29:44 BoogieIcfgContainer [2021-10-24 10:29:44,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:29:44,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:29:44,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:29:44,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:29:44,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:29:42" (1/3) ... [2021-10-24 10:29:44,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f48442b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:29:44, skipping insertion in model container [2021-10-24 10:29:44,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:42" (2/3) ... [2021-10-24 10:29:44,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f48442b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:29:44, skipping insertion in model container [2021-10-24 10:29:44,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:29:44" (3/3) ... [2021-10-24 10:29:44,946 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product09.cil.c [2021-10-24 10:29:44,951 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:29:44,951 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:29:44,996 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:29:45,002 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:29:45,002 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:29:45,016 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 59 states have (on average 1.576271186440678) internal successors, (93), 62 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:29:45,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 10:29:45,021 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:29:45,022 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:29:45,022 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:29:45,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:29:45,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1527487174, now seen corresponding path program 1 times [2021-10-24 10:29:45,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:29:45,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1230606374] [2021-10-24 10:29:45,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:29:45,042 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:29:45,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:29:45,048 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:29:45,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:29:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:29:45,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:29:45,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:29:45,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:29:45,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:29:45,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:29:45,371 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:29:45,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1230606374] [2021-10-24 10:29:45,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1230606374] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:29:45,372 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:29:45,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:29:45,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816148178] [2021-10-24 10:29:45,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:29:45,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:29:45,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:29:45,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:29:45,393 INFO L87 Difference]: Start difference. First operand has 63 states, 59 states have (on average 1.576271186440678) internal successors, (93), 62 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:29:45,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:29:45,413 INFO L93 Difference]: Finished difference Result 120 states and 179 transitions. [2021-10-24 10:29:45,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:29:45,415 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-24 10:29:45,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:29:45,423 INFO L225 Difference]: With dead ends: 120 [2021-10-24 10:29:45,423 INFO L226 Difference]: Without dead ends: 59 [2021-10-24 10:29:45,426 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:29:45,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-10-24 10:29:45,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-10-24 10:29:45,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 58 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:29:45,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2021-10-24 10:29:45,462 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 18 [2021-10-24 10:29:45,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:29:45,462 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2021-10-24 10:29:45,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:29:45,463 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2021-10-24 10:29:45,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:29:45,464 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:29:45,464 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:29:45,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:29:45,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:29:45,677 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:29:45,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:29:45,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1856449369, now seen corresponding path program 1 times [2021-10-24 10:29:45,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:29:45,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [32700870] [2021-10-24 10:29:45,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:29:45,679 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:29:45,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:29:45,680 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:29:45,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:29:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:29:45,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:29:45,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:29:46,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:29:46,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:29:46,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:29:46,108 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:29:46,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [32700870] [2021-10-24 10:29:46,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [32700870] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:29:46,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:29:46,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:29:46,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421720718] [2021-10-24 10:29:46,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:29:46,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:29:46,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:29:46,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:29:46,117 INFO L87 Difference]: Start difference. First operand 59 states and 81 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:29:46,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:29:46,138 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2021-10-24 10:29:46,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:29:46,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-24 10:29:46,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:29:46,140 INFO L225 Difference]: With dead ends: 59 [2021-10-24 10:29:46,140 INFO L226 Difference]: Without dead ends: 29 [2021-10-24 10:29:46,141 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:29:46,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-24 10:29:46,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-24 10:29:46,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 28 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:29:46,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-24 10:29:46,156 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2021-10-24 10:29:46,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:29:46,156 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-24 10:29:46,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:29:46,156 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-24 10:29:46,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:29:46,157 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:29:46,157 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:29:46,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:29:46,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:29:46,372 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:29:46,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:29:46,376 INFO L82 PathProgramCache]: Analyzing trace with hash 274878546, now seen corresponding path program 1 times [2021-10-24 10:29:46,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:29:46,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108224163] [2021-10-24 10:29:46,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:29:46,381 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:29:46,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:29:46,405 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:29:46,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:29:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:29:46,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:29:46,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:29:46,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:29:46,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:29:46,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:29:46,878 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:29:46,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108224163] [2021-10-24 10:29:46,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108224163] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:29:46,879 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:29:46,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 10:29:46,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027319603] [2021-10-24 10:29:46,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:29:46,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:29:46,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:29:46,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:29:46,885 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:29:47,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:29:47,167 INFO L93 Difference]: Finished difference Result 244 states and 381 transitions. [2021-10-24 10:29:47,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-24 10:29:47,168 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 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) Word has length 24 [2021-10-24 10:29:47,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:29:47,171 INFO L225 Difference]: With dead ends: 244 [2021-10-24 10:29:47,171 INFO L226 Difference]: Without dead ends: 221 [2021-10-24 10:29:47,172 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 125.5ms TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-24 10:29:47,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-10-24 10:29:47,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 66. [2021-10-24 10:29:47,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.4461538461538461) internal successors, (94), 65 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:29:47,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 94 transitions. [2021-10-24 10:29:47,189 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 94 transitions. Word has length 24 [2021-10-24 10:29:47,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:29:47,189 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 94 transitions. [2021-10-24 10:29:47,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:29:47,190 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2021-10-24 10:29:47,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 10:29:47,191 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:29:47,191 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:29:47,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:29:47,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:29:47,403 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:29:47,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:29:47,404 INFO L82 PathProgramCache]: Analyzing trace with hash -2143629616, now seen corresponding path program 1 times [2021-10-24 10:29:47,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:29:47,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1779821846] [2021-10-24 10:29:47,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:29:47,406 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:29:47,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:29:47,408 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:29:47,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:29:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:29:48,408 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 10:29:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:29:49,348 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-24 10:29:49,348 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 10:29:49,349 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:29:49,351 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:29:49,352 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:29:49,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:29:49,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:29:49,590 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:29:49,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:29:49 BoogieIcfgContainer [2021-10-24 10:29:49,723 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:29:49,723 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:29:49,723 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:29:49,723 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:29:49,724 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:29:44" (3/4) ... [2021-10-24 10:29:49,725 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-24 10:29:49,836 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:29:49,836 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:29:49,837 INFO L168 Benchmark]: Toolchain (without parser) took 7704.61 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 41.2 MB in the beginning and 45.3 MB in the end (delta: -4.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:29:49,838 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 77.6 MB. Free memory was 58.8 MB in the beginning and 58.7 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:29:49,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.94 ms. Allocated memory is still 77.6 MB. Free memory was 41.1 MB in the beginning and 47.5 MB in the end (delta: -6.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-24 10:29:49,839 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.02 ms. Allocated memory is still 77.6 MB. Free memory was 47.5 MB in the beginning and 44.8 MB in the end (delta: 2.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:29:49,839 INFO L168 Benchmark]: Boogie Preprocessor took 35.84 ms. Allocated memory is still 77.6 MB. Free memory was 44.8 MB in the beginning and 42.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:29:49,840 INFO L168 Benchmark]: RCFGBuilder took 2055.28 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 42.7 MB in the beginning and 74.1 MB in the end (delta: -31.4 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:29:49,840 INFO L168 Benchmark]: TraceAbstraction took 4782.60 ms. Allocated memory is still 104.9 MB. Free memory was 74.1 MB in the beginning and 54.8 MB in the end (delta: 19.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:29:49,841 INFO L168 Benchmark]: Witness Printer took 113.07 ms. Allocated memory is still 104.9 MB. Free memory was 54.8 MB in the beginning and 45.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:29:49,843 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 77.6 MB. Free memory was 58.8 MB in the beginning and 58.7 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 654.94 ms. Allocated memory is still 77.6 MB. Free memory was 41.1 MB in the beginning and 47.5 MB in the end (delta: -6.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.02 ms. Allocated memory is still 77.6 MB. Free memory was 47.5 MB in the beginning and 44.8 MB in the end (delta: 2.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.84 ms. Allocated memory is still 77.6 MB. Free memory was 44.8 MB in the beginning and 42.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2055.28 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 42.7 MB in the beginning and 74.1 MB in the end (delta: -31.4 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4782.60 ms. Allocated memory is still 104.9 MB. Free memory was 74.1 MB in the beginning and 54.8 MB in the end (delta: 19.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * Witness Printer took 113.07 ms. Allocated memory is still 104.9 MB. Free memory was 54.8 MB in the beginning and 45.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 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 - CounterExampleResult [Line: 158]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int cleanupTimeShifts = 4; [L234] int pumpRunning = 0; [L235] int systemActive = 1; [L599] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L796] int waterLevel = 1; [L797] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L421] int retValue_acc ; [L424] retValue_acc = 1 [L425] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L164] int splverifierCounter ; [L165] int tmp ; [L166] int tmp___0 ; [L167] int tmp___1 ; [L168] int tmp___2 ; [L171] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L173] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L175] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L181] tmp = __VERIFIER_nondet_int() [L183] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L814] COND TRUE waterLevel < 2 [L815] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L191] tmp___0 = __VERIFIER_nondet_int() [L193] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L201] tmp___2 = __VERIFIER_nondet_int() [L203] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L242] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L249] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L362] int tmp ; [L363] int tmp___0 ; [L364] int tmp___1 ; [L835] int retValue_acc ; [L838] retValue_acc = methaneLevelCritical [L839] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L368] tmp = isMethaneLevelCritical() [L370] COND FALSE !(\read(tmp)) [L867] int retValue_acc ; [L870] retValue_acc = waterLevel [L871] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L374] tmp___0 = getWaterLevel() [L376] COND TRUE tmp___0 == 2 [L315] int retValue_acc ; [L318] retValue_acc = pumpRunning [L319] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L378] tmp___1 = isPumpRunning() [L380] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L158] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 158]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 158]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4585.5ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 11.9ms, AutomataDifference: 366.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 186 SDtfs, 317 SDslu, 456 SDs, 0 SdLazy, 93 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 110.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 138.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=3, 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: 49.0ms AutomataMinimizationTime, 3 MinimizatonAttempts, 155 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 98.3ms SsaConstructionTime, 1238.4ms SatisfiabilityAnalysisTime, 589.6ms InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 224 SizeOfPredicates, 4 NumberOfNonLiveVariables, 589 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 RESULT: Ultimate proved your program to be incorrect! [2021-10-24 10:29:49,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971c8693-ee18-4aa7-91dd-934fd454760b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...