./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI --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 4ac176d5f6a200147241aca05fd00270bccec34f ............................................................................................................................................ 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_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI --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 4ac176d5f6a200147241aca05fd00270bccec34f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:22:06,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:06,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:06,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:06,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:06,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:06,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:06,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:06,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:06,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:06,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:06,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:06,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:06,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:06,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:06,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:06,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:06,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:06,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:06,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:06,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:06,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:06,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:06,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:06,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:06,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:06,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:06,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:06,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:06,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:06,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:06,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:06,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:06,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:06,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:06,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:06,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:06,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:06,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:06,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:06,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:06,897 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:22:06,919 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:06,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:06,920 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:06,920 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:06,921 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:06,921 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:06,921 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:22:06,921 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:06,922 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:06,922 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:22:06,922 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:22:06,922 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:06,923 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:22:06,923 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:22:06,923 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:22:06,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:06,924 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:06,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:22:06,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:06,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:06,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:06,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:06,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:06,926 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:06,926 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:06,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:06,926 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:06,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:06,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:06,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:06,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:06,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:06,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:06,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:06,928 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:22:06,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:22:06,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:06,929 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:06,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:06,929 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_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ac176d5f6a200147241aca05fd00270bccec34f [2021-10-11 02:22:07,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:07,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:07,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:07,277 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:07,278 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:07,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2021-10-11 02:22:07,358 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/data/b01789268/11a974906f814b688ef6684afa36ec71/FLAGc3c9d4fa3 [2021-10-11 02:22:07,806 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:07,807 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2021-10-11 02:22:07,820 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/data/b01789268/11a974906f814b688ef6684afa36ec71/FLAGc3c9d4fa3 [2021-10-11 02:22:08,186 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/data/b01789268/11a974906f814b688ef6684afa36ec71 [2021-10-11 02:22:08,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:08,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:08,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:08,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:08,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:08,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:08" (1/1) ... [2021-10-11 02:22:08,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1749fd9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:08, skipping insertion in model container [2021-10-11 02:22:08,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:08" (1/1) ... [2021-10-11 02:22:08,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:08,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:08,425 WARN L226 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_d34e1afc-6a21-4744-9d56-2371c953456f/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1281,1294] [2021-10-11 02:22:08,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:08,550 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) [2021-10-11 02:22:08,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@322f6a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:08, skipping insertion in model container [2021-10-11 02:22:08,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:08,551 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:22:08,553 INFO L168 Benchmark]: Toolchain (without parser) took 362.71 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 46.3 MB in the beginning and 80.7 MB in the end (delta: -34.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:08,554 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 86.0 MB. Free memory was 63.6 MB in the beginning and 63.6 MB in the end (delta: 42.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:08,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.54 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 46.2 MB in the beginning and 80.7 MB in the end (delta: -34.6 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:08,558 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 86.0 MB. Free memory was 63.6 MB in the beginning and 63.6 MB in the end (delta: 42.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 357.54 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 46.2 MB in the beginning and 80.7 MB in the end (delta: -34.6 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 292]: 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 0.2.0-7b2dab5 [2021-10-11 02:22:10,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:10,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:10,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:10,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:10,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:10,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:10,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:10,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:10,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:10,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:10,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:10,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:10,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:10,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:10,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:10,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:10,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:10,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:10,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:10,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:10,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:10,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:10,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:10,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:10,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:10,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:10,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:10,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:10,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:10,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:10,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:11,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:11,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:11,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:11,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:11,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:11,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:11,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:11,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:11,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:11,012 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:22:11,060 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:11,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:11,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:11,062 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:11,063 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:11,063 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:11,063 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:11,064 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:11,064 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:11,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:11,067 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:11,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:11,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:11,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:11,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:11,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:11,069 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:11,069 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:22:11,069 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:22:11,070 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:11,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:11,070 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:11,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:11,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:11,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:22:11,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:11,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:11,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:11,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:11,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:11,073 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:22:11,073 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:22:11,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:11,074 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:11,075 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:11,075 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_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ac176d5f6a200147241aca05fd00270bccec34f [2021-10-11 02:22:11,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:11,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:11,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:11,494 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:11,495 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:11,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2021-10-11 02:22:11,568 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/data/dfed29364/4152ea8b6faf4465ac02b8706455e26a/FLAGde6e5450d [2021-10-11 02:22:12,162 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:12,162 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2021-10-11 02:22:12,189 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/data/dfed29364/4152ea8b6faf4465ac02b8706455e26a/FLAGde6e5450d [2021-10-11 02:22:12,439 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/data/dfed29364/4152ea8b6faf4465ac02b8706455e26a [2021-10-11 02:22:12,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:12,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:12,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:12,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:12,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:12,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:12" (1/1) ... [2021-10-11 02:22:12,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37768cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:12, skipping insertion in model container [2021-10-11 02:22:12,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:12" (1/1) ... [2021-10-11 02:22:12,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:12,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:12,700 WARN L226 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_d34e1afc-6a21-4744-9d56-2371c953456f/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1281,1294] [2021-10-11 02:22:12,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:12,930 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:22:12,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:12,948 WARN L226 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_d34e1afc-6a21-4744-9d56-2371c953456f/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1281,1294] [2021-10-11 02:22:13,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:13,064 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:22:13,081 WARN L226 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_d34e1afc-6a21-4744-9d56-2371c953456f/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1281,1294] [2021-10-11 02:22:13,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:13,194 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:22:13,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:13 WrapperNode [2021-10-11 02:22:13,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:13,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:13,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:22:13,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:22:13,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:13" (1/1) ... [2021-10-11 02:22:13,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:13" (1/1) ... [2021-10-11 02:22:13,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:13,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:22:13,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:22:13,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:22:13,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:13" (1/1) ... [2021-10-11 02:22:13,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:13" (1/1) ... [2021-10-11 02:22:13,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:13" (1/1) ... [2021-10-11 02:22:13,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:13" (1/1) ... [2021-10-11 02:22:13,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:13" (1/1) ... [2021-10-11 02:22:13,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:13" (1/1) ... [2021-10-11 02:22:13,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:13" (1/1) ... [2021-10-11 02:22:13,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:22:13,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:22:13,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:22:13,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:22:13,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:13" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:22:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:22:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:22:13,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:22:15,573 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:22:15,573 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-10-11 02:22:15,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:15 BoogieIcfgContainer [2021-10-11 02:22:15,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:22:15,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:22:15,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:22:15,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:22:15,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:22:12" (1/3) ... [2021-10-11 02:22:15,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311eef08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:15, skipping insertion in model container [2021-10-11 02:22:15,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:13" (2/3) ... [2021-10-11 02:22:15,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311eef08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:15, skipping insertion in model container [2021-10-11 02:22:15,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:15" (3/3) ... [2021-10-11 02:22:15,584 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2021-10-11 02:22:15,604 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:22:15,607 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:22:15,619 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:22:15,644 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:22:15,644 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:22:15,645 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:22:15,645 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:22:15,645 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:22:15,645 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:22:15,645 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:22:15,646 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:22:15,660 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2021-10-11 02:22:15,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:22:15,666 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:15,667 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:15,668 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:15,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:15,674 INFO L82 PathProgramCache]: Analyzing trace with hash 476294846, now seen corresponding path program 1 times [2021-10-11 02:22:15,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:15,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1161529859] [2021-10-11 02:22:15,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:15,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:22:15,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:15,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:15,998 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:15,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1161529859] [2021-10-11 02:22:16,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:16,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:16,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082953942] [2021-10-11 02:22:16,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:22:16,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:16,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:22:16,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:22:16,045 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2021-10-11 02:22:16,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:16,082 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2021-10-11 02:22:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:22:16,084 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:22:16,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:16,096 INFO L225 Difference]: With dead ends: 112 [2021-10-11 02:22:16,097 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 02:22:16,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:22:16,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 02:22:16,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 02:22:16,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 02:22:16,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2021-10-11 02:22:16,131 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2021-10-11 02:22:16,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:16,132 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2021-10-11 02:22:16,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:22:16,132 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2021-10-11 02:22:16,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:22:16,134 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:16,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:16,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:22:16,347 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:16,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:16,348 INFO L82 PathProgramCache]: Analyzing trace with hash -570462051, now seen corresponding path program 1 times [2021-10-11 02:22:16,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:16,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1724744376] [2021-10-11 02:22:16,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:16,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:16,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:16,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:16,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:16,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1724744376] [2021-10-11 02:22:16,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:16,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:16,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803028383] [2021-10-11 02:22:16,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:16,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:16,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:16,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:16,585 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2021-10-11 02:22:16,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:16,607 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-10-11 02:22:16,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:16,609 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:22:16,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:16,613 INFO L225 Difference]: With dead ends: 55 [2021-10-11 02:22:16,613 INFO L226 Difference]: Without dead ends: 29 [2021-10-11 02:22:16,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:16,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-11 02:22:16,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-11 02:22:16,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-10-11 02:22:16,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-11 02:22:16,635 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2021-10-11 02:22:16,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:16,637 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-11 02:22:16,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:16,637 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-11 02:22:16,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:22:16,638 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:16,638 INFO L422 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] [2021-10-11 02:22:16,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:22:16,856 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:16,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:16,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2021-10-11 02:22:16,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:16,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1229466927] [2021-10-11 02:22:16,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:17,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:17,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:17,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:17,071 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:17,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1229466927] [2021-10-11 02:22:17,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:17,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:17,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313114346] [2021-10-11 02:22:17,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:17,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:17,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:17,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:17,073 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2021-10-11 02:22:17,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:17,125 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2021-10-11 02:22:17,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:17,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:22:17,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:17,127 INFO L225 Difference]: With dead ends: 75 [2021-10-11 02:22:17,127 INFO L226 Difference]: Without dead ends: 52 [2021-10-11 02:22:17,128 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:17,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-11 02:22:17,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2021-10-11 02:22:17,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2021-10-11 02:22:17,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2021-10-11 02:22:17,151 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2021-10-11 02:22:17,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:17,152 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2021-10-11 02:22:17,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:17,152 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2021-10-11 02:22:17,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:22:17,153 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:17,153 INFO L422 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] [2021-10-11 02:22:17,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:22:17,365 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:17,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:17,366 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2021-10-11 02:22:17,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:17,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [226648126] [2021-10-11 02:22:17,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:17,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:17,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:17,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:17,640 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:17,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [226648126] [2021-10-11 02:22:17,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:17,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:22:17,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915435244] [2021-10-11 02:22:17,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:17,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:17,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:17,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:17,646 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2021-10-11 02:22:17,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:17,794 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2021-10-11 02:22:17,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:22:17,795 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 02:22:17,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:17,802 INFO L225 Difference]: With dead ends: 214 [2021-10-11 02:22:17,803 INFO L226 Difference]: Without dead ends: 172 [2021-10-11 02:22:17,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:22:17,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-10-11 02:22:17,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2021-10-11 02:22:17,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2021-10-11 02:22:17,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2021-10-11 02:22:17,837 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2021-10-11 02:22:17,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:17,839 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2021-10-11 02:22:17,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:17,840 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2021-10-11 02:22:17,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:22:17,841 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:17,842 INFO L422 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] [2021-10-11 02:22:18,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:22:18,058 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:18,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:18,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1127718650, now seen corresponding path program 1 times [2021-10-11 02:22:18,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:18,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1434469623] [2021-10-11 02:22:18,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:18,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:18,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:18,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:18,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:18,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1434469623] [2021-10-11 02:22:18,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:18,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:22:18,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468578394] [2021-10-11 02:22:18,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:18,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:18,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:18,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:18,274 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand 5 states. [2021-10-11 02:22:18,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:18,409 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2021-10-11 02:22:18,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:22:18,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 02:22:18,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:18,411 INFO L225 Difference]: With dead ends: 268 [2021-10-11 02:22:18,411 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:22:18,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:22:18,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:22:18,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:22:18,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:22:18,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:22:18,421 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-11 02:22:18,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:18,422 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:22:18,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:18,424 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:22:18,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:22:18,635 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:22:18,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:22:18,973 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:22:18,973 INFO L262 CegarLoopResult]: For program point L69(lines 69 73) no Hoare annotation was computed. [2021-10-11 02:22:18,974 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:22:18,974 INFO L262 CegarLoopResult]: For program point L87(lines 87 93) no Hoare annotation was computed. [2021-10-11 02:22:18,974 INFO L258 CegarLoopResult]: At program point L87-1(lines 87 93) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:22:18,974 INFO L262 CegarLoopResult]: For program point L649(lines 649 653) no Hoare annotation was computed. [2021-10-11 02:22:18,975 INFO L262 CegarLoopResult]: For program point L105(lines 105 111) no Hoare annotation was computed. [2021-10-11 02:22:18,975 INFO L258 CegarLoopResult]: At program point L105-1(lines 141 147) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:22:18,975 INFO L265 CegarLoopResult]: At program point L866(lines 847 869) the Hoare annotation is: true [2021-10-11 02:22:18,975 INFO L258 CegarLoopResult]: At program point L834(lines 830 836) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:18,975 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:22:18,975 INFO L258 CegarLoopResult]: At program point L141(lines 140 159) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:22:18,975 INFO L262 CegarLoopResult]: For program point L141-1(lines 141 147) no Hoare annotation was computed. [2021-10-11 02:22:18,976 INFO L258 CegarLoopResult]: At program point L141-2(lines 140 159) the Hoare annotation is: false [2021-10-11 02:22:18,976 INFO L258 CegarLoopResult]: At program point L141-3(lines 140 159) the Hoare annotation is: false [2021-10-11 02:22:18,977 INFO L258 CegarLoopResult]: At program point L736(lines 1 869) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:18,977 INFO L262 CegarLoopResult]: For program point L637(lines 637 641) no Hoare annotation was computed. [2021-10-11 02:22:18,980 INFO L262 CegarLoopResult]: For program point L637-3(lines 637 641) no Hoare annotation was computed. [2021-10-11 02:22:18,980 INFO L262 CegarLoopResult]: For program point L637-6(lines 637 641) no Hoare annotation was computed. [2021-10-11 02:22:18,981 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:22:18,981 INFO L258 CegarLoopResult]: At program point L786-2(lines 786 800) the Hoare annotation is: false [2021-10-11 02:22:18,981 INFO L262 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2021-10-11 02:22:18,981 INFO L262 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-10-11 02:22:18,981 INFO L258 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:22:18,981 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:22:18,981 INFO L262 CegarLoopResult]: For program point L244(lines 244 250) no Hoare annotation was computed. [2021-10-11 02:22:18,981 INFO L258 CegarLoopResult]: At program point L244-1(lines 244 250) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:22:18,982 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 02:22:18,982 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 02:22:18,982 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 02:22:18,982 INFO L258 CegarLoopResult]: At program point L674(lines 669 677) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:22:18,982 INFO L258 CegarLoopResult]: At program point L674-1(lines 669 677) the Hoare annotation is: false [2021-10-11 02:22:18,982 INFO L258 CegarLoopResult]: At program point L674-2(lines 669 677) the Hoare annotation is: false [2021-10-11 02:22:18,982 INFO L262 CegarLoopResult]: For program point L790(lines 790 794) no Hoare annotation was computed. [2021-10-11 02:22:18,982 INFO L262 CegarLoopResult]: For program point L757(lines 757 770) no Hoare annotation was computed. [2021-10-11 02:22:18,982 INFO L262 CegarLoopResult]: For program point L790-1(lines 141 147) no Hoare annotation was computed. [2021-10-11 02:22:18,983 INFO L258 CegarLoopResult]: At program point L757-1(lines 1 869) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:22:18,983 INFO L262 CegarLoopResult]: For program point L757-2(lines 757 770) no Hoare annotation was computed. [2021-10-11 02:22:18,983 INFO L258 CegarLoopResult]: At program point L757-3(lines 1 869) the Hoare annotation is: false [2021-10-11 02:22:18,983 INFO L262 CegarLoopResult]: For program point L757-4(lines 757 770) no Hoare annotation was computed. [2021-10-11 02:22:18,983 INFO L258 CegarLoopResult]: At program point L757-5(lines 1 869) the Hoare annotation is: false [2021-10-11 02:22:18,983 INFO L262 CegarLoopResult]: For program point L97(lines 97 112) no Hoare annotation was computed. [2021-10-11 02:22:18,983 INFO L262 CegarLoopResult]: For program point L857(lines 857 864) no Hoare annotation was computed. [2021-10-11 02:22:18,983 INFO L265 CegarLoopResult]: At program point L857-1(lines 857 864) the Hoare annotation is: true [2021-10-11 02:22:18,983 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:22:18,984 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:22:18,984 INFO L258 CegarLoopResult]: At program point L148(lines 148 154) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:22:18,984 INFO L258 CegarLoopResult]: At program point L148-1(lines 148 154) the Hoare annotation is: false [2021-10-11 02:22:18,984 INFO L258 CegarLoopResult]: At program point L148-2(lines 148 154) the Hoare annotation is: false [2021-10-11 02:22:18,984 INFO L262 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2021-10-11 02:22:18,984 INFO L258 CegarLoopResult]: At program point L744(lines 739 747) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:22:18,984 INFO L262 CegarLoopResult]: For program point L761(lines 761 767) no Hoare annotation was computed. [2021-10-11 02:22:18,984 INFO L262 CegarLoopResult]: For program point L761-2(lines 761 767) no Hoare annotation was computed. [2021-10-11 02:22:18,985 INFO L258 CegarLoopResult]: At program point L117(lines 66 118) the Hoare annotation is: false [2021-10-11 02:22:18,985 INFO L262 CegarLoopResult]: For program point L761-4(lines 761 767) no Hoare annotation was computed. [2021-10-11 02:22:18,985 INFO L258 CegarLoopResult]: At program point L200(lines 195 203) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:22:18,985 INFO L258 CegarLoopResult]: At program point L200-1(lines 195 203) the Hoare annotation is: false [2021-10-11 02:22:18,985 INFO L258 CegarLoopResult]: At program point L200-2(lines 195 203) the Hoare annotation is: false [2021-10-11 02:22:18,985 INFO L262 CegarLoopResult]: For program point L68(lines 67 116) no Hoare annotation was computed. [2021-10-11 02:22:19,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:22:19 BoogieIcfgContainer [2021-10-11 02:22:19,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:22:19,013 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:22:19,014 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:22:19,014 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:22:19,014 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:15" (3/4) ... [2021-10-11 02:22:19,017 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:22:19,033 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:22:19,034 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:22:19,034 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:22:19,035 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:22:19,035 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:22:19,036 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:22:19,036 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:22:19,066 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-11 02:22:19,115 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34e1afc-6a21-4744-9d56-2371c953456f/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:22:19,115 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:22:19,117 INFO L168 Benchmark]: Toolchain (without parser) took 6673.26 ms. Allocated memory was 48.2 MB in the beginning and 75.5 MB in the end (delta: 27.3 MB). Free memory was 23.1 MB in the beginning and 39.7 MB in the end (delta: -16.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:19,118 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 48.2 MB. Free memory is still 29.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:19,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.30 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 22.9 MB in the beginning and 29.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:19,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.90 ms. Allocated memory is still 60.8 MB. Free memory was 29.5 MB in the beginning and 43.2 MB in the end (delta: -13.8 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:19,120 INFO L168 Benchmark]: Boogie Preprocessor took 40.70 ms. Allocated memory is still 60.8 MB. Free memory was 43.2 MB in the beginning and 41.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:19,120 INFO L168 Benchmark]: RCFGBuilder took 2271.38 ms. Allocated memory is still 60.8 MB. Free memory was 41.2 MB in the beginning and 25.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:19,120 INFO L168 Benchmark]: TraceAbstraction took 3436.09 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 25.1 MB in the beginning and 45.1 MB in the end (delta: -20.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:19,121 INFO L168 Benchmark]: Witness Printer took 101.54 ms. Allocated memory is still 75.5 MB. Free memory was 45.1 MB in the beginning and 39.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:19,123 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 48.2 MB. Free memory is still 29.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 737.30 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 22.9 MB in the beginning and 29.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.90 ms. Allocated memory is still 60.8 MB. Free memory was 29.5 MB in the beginning and 43.2 MB in the end (delta: -13.8 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.70 ms. Allocated memory is still 60.8 MB. Free memory was 43.2 MB in the beginning and 41.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2271.38 ms. Allocated memory is still 60.8 MB. Free memory was 41.2 MB in the beginning and 25.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3436.09 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 25.1 MB in the beginning and 45.1 MB in the end (delta: -20.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. * Witness Printer took 101.54 ms. Allocated memory is still 75.5 MB. Free memory was 45.1 MB in the beginning and 39.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 270 SDtfs, 292 SDslu, 270 SDs, 0 SdLazy, 42 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 92 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 116 HoareAnnotationTreeSize, 26 FomulaSimplifications, 2909 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 3099 SizeOfPredicates, 7 NumberOfNonLiveVariables, 974 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 correct! Received shutdown request...