./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product45.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_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/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_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/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_b4bf4be1-81be-49af-ae52-539198d42b9c/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 c46fa29909af104dc6d1a777f6e396bc5549f246 ............................................................................................................................................ 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_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/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_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/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_b4bf4be1-81be-49af-ae52-539198d42b9c/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 c46fa29909af104dc6d1a777f6e396bc5549f246 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:23:52,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:52,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:52,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:52,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:52,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:52,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:52,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:52,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:52,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:52,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:52,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:52,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:52,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:52,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:52,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:52,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:52,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:52,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:52,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:52,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:52,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:52,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:52,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:52,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:52,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:52,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:52,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:52,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:52,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:52,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:52,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:52,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:52,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:52,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:52,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:52,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:52,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:52,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:52,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:52,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:52,513 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:23:52,541 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:52,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:52,542 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:52,542 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:52,543 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:52,543 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:52,543 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:23:52,543 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:52,543 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:52,544 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:23:52,544 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:23:52,544 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:52,544 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:23:52,544 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:23:52,545 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:23:52,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:52,546 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:52,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:52,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:52,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:52,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:23:52,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:52,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:23:52,547 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:52,547 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:52,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:23:52,551 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:52,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:23:52,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:52,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:52,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:52,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:52,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:52,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:23:52,556 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:23:52,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:23:52,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:23:52,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:52,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:52,558 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_b4bf4be1-81be-49af-ae52-539198d42b9c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c46fa29909af104dc6d1a777f6e396bc5549f246 [2021-10-11 02:23:52,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:52,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:52,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:52,884 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:52,885 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:52,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2021-10-11 02:23:52,974 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/data/140435b82/333e14ec22224a1592c1465885444ded/FLAG5aec67cdc [2021-10-11 02:23:53,468 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:53,469 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2021-10-11 02:23:53,487 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/data/140435b82/333e14ec22224a1592c1465885444ded/FLAG5aec67cdc [2021-10-11 02:23:53,770 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/data/140435b82/333e14ec22224a1592c1465885444ded [2021-10-11 02:23:53,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:53,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:53,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:53,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:53,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:53,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:53" (1/1) ... [2021-10-11 02:23:53,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa26db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:53, skipping insertion in model container [2021-10-11 02:23:53,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:53" (1/1) ... [2021-10-11 02:23:53,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:53,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:54,158 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_b4bf4be1-81be-49af-ae52-539198d42b9c/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c[10968,10981] [2021-10-11 02:23:54,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:54,229 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 02:23:54,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@64e5b783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:54, skipping insertion in model container [2021-10-11 02:23:54,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:54,230 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:23:54,232 INFO L168 Benchmark]: Toolchain (without parser) took 457.78 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 43.3 MB in the beginning and 72.4 MB in the end (delta: -29.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:54,233 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory was 57.5 MB in the beginning and 57.5 MB in the end (delta: 21.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:54,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.26 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 43.1 MB in the beginning and 72.9 MB in the end (delta: -29.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:54,236 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory was 57.5 MB in the beginning and 57.5 MB in the end (delta: 21.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 455.26 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 43.1 MB in the beginning and 72.9 MB in the end (delta: -29.8 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: 70]: 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 02:23:56,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:56,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:56,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:56,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:56,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:56,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:56,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:56,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:56,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:56,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:56,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:56,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:56,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:56,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:56,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:56,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:56,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:56,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:56,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:56,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:56,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:56,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:56,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:56,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:56,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:56,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:56,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:56,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:56,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:56,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:56,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:56,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:56,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:56,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:56,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:56,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:56,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:56,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:56,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:56,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:56,604 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:23:56,649 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:56,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:56,651 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:56,652 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:56,652 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:56,652 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:56,652 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:56,653 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:56,653 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:56,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:56,656 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:56,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:56,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:56,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:23:56,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:56,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:23:56,658 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:56,658 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:23:56,658 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:23:56,658 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:56,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:23:56,659 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:56,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:23:56,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:56,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:23:56,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:56,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:56,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:56,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:56,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:23:56,661 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:23:56,661 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:56,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:23:56,662 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:56,662 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:56,663 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_b4bf4be1-81be-49af-ae52-539198d42b9c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c46fa29909af104dc6d1a777f6e396bc5549f246 [2021-10-11 02:23:57,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:57,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:57,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:57,067 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:57,068 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:57,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2021-10-11 02:23:57,150 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/data/9a4e01d8d/f78e4d1586814621bbf6fff5a6e9c56c/FLAGa4331e845 [2021-10-11 02:23:57,634 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:57,635 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2021-10-11 02:23:57,663 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/data/9a4e01d8d/f78e4d1586814621bbf6fff5a6e9c56c/FLAGa4331e845 [2021-10-11 02:23:58,004 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/data/9a4e01d8d/f78e4d1586814621bbf6fff5a6e9c56c [2021-10-11 02:23:58,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:58,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:58,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:58,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:58,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:58,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:58" (1/1) ... [2021-10-11 02:23:58,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@677727ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:58, skipping insertion in model container [2021-10-11 02:23:58,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:58" (1/1) ... [2021-10-11 02:23:58,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:58,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:58,359 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_b4bf4be1-81be-49af-ae52-539198d42b9c/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c[10968,10981] [2021-10-11 02:23:58,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:58,476 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:23:58,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:58,543 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_b4bf4be1-81be-49af-ae52-539198d42b9c/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c[10968,10981] [2021-10-11 02:23:58,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:58,583 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:23:58,641 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_b4bf4be1-81be-49af-ae52-539198d42b9c/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c[10968,10981] [2021-10-11 02:23:58,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:58,735 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:23:58,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:58 WrapperNode [2021-10-11 02:23:58,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:58,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:58,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:23:58,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:23:58,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:58" (1/1) ... [2021-10-11 02:23:58,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:58" (1/1) ... [2021-10-11 02:23:58,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:58,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:23:58,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:23:58,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:23:58,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:58" (1/1) ... [2021-10-11 02:23:58,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:58" (1/1) ... [2021-10-11 02:23:58,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:58" (1/1) ... [2021-10-11 02:23:58,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:58" (1/1) ... [2021-10-11 02:23:58,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:58" (1/1) ... [2021-10-11 02:23:58,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:58" (1/1) ... [2021-10-11 02:23:58,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:58" (1/1) ... [2021-10-11 02:23:58,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:23:58,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:23:58,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:23:58,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:23:58,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:58" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/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 02:23:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:23:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:23:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:23:58,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:24:01,546 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:24:01,546 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2021-10-11 02:24:01,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:01 BoogieIcfgContainer [2021-10-11 02:24:01,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:24:01,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:24:01,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:24:01,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:24:01,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:23:58" (1/3) ... [2021-10-11 02:24:01,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c512a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:01, skipping insertion in model container [2021-10-11 02:24:01,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:58" (2/3) ... [2021-10-11 02:24:01,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c512a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:01, skipping insertion in model container [2021-10-11 02:24:01,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:01" (3/3) ... [2021-10-11 02:24:01,564 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2021-10-11 02:24:01,579 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:24:01,589 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:24:01,600 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:24:01,623 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:24:01,623 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:24:01,623 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:24:01,623 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:24:01,624 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:24:01,624 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:24:01,624 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:24:01,624 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:24:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2021-10-11 02:24:01,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:24:01,647 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:01,648 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:01,648 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:01,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:01,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1990737743, now seen corresponding path program 1 times [2021-10-11 02:24:01,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:01,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1008106473] [2021-10-11 02:24:01,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/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 02:24:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:01,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:24:01,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:01,992 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 02:24:01,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:01,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1008106473] [2021-10-11 02:24:01,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:01,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:24:01,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382518528] [2021-10-11 02:24:02,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:24:02,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:02,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:24:02,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:24:02,017 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2021-10-11 02:24:02,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:02,048 INFO L93 Difference]: Finished difference Result 259 states and 390 transitions. [2021-10-11 02:24:02,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:24:02,050 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:24:02,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:02,060 INFO L225 Difference]: With dead ends: 259 [2021-10-11 02:24:02,060 INFO L226 Difference]: Without dead ends: 129 [2021-10-11 02:24:02,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 02:24:02,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-10-11 02:24:02,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2021-10-11 02:24:02,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2021-10-11 02:24:02,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 187 transitions. [2021-10-11 02:24:02,114 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 187 transitions. Word has length 18 [2021-10-11 02:24:02,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:02,114 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 187 transitions. [2021-10-11 02:24:02,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:24:02,115 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 187 transitions. [2021-10-11 02:24:02,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:24:02,116 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:02,116 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:02,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:24:02,332 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:02,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:02,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1480807491, now seen corresponding path program 1 times [2021-10-11 02:24:02,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:02,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [835658966] [2021-10-11 02:24:02,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/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 02:24:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:02,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:24:02,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:02,563 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 02:24:02,563 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:02,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [835658966] [2021-10-11 02:24:02,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:02,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:24:02,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131967173] [2021-10-11 02:24:02,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:24:02,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:02,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:24:02,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:24:02,567 INFO L87 Difference]: Start difference. First operand 129 states and 187 transitions. Second operand 3 states. [2021-10-11 02:24:02,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:02,581 INFO L93 Difference]: Finished difference Result 129 states and 187 transitions. [2021-10-11 02:24:02,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:24:02,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:24:02,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:02,583 INFO L225 Difference]: With dead ends: 129 [2021-10-11 02:24:02,584 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 02:24:02,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 02:24:02,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 02:24:02,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 02:24:02,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 02:24:02,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-11 02:24:02,592 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2021-10-11 02:24:02,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:02,592 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-11 02:24:02,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:24:02,593 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-11 02:24:02,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:24:02,594 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:02,594 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, 1] [2021-10-11 02:24:02,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:24:02,816 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:02,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:02,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1380156086, now seen corresponding path program 1 times [2021-10-11 02:24:02,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:02,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2121636852] [2021-10-11 02:24:02,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/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 02:24:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:03,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:24:03,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:03,049 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 02:24:03,049 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:03,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2121636852] [2021-10-11 02:24:03,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:03,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:24:03,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572210170] [2021-10-11 02:24:03,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:24:03,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:03,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:24:03,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:24:03,052 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2021-10-11 02:24:03,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:03,066 INFO L93 Difference]: Finished difference Result 99 states and 145 transitions. [2021-10-11 02:24:03,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:24:03,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:24:03,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:03,074 INFO L225 Difference]: With dead ends: 99 [2021-10-11 02:24:03,074 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 02:24:03,075 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 02:24:03,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 02:24:03,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 02:24:03,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 02:24:03,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-10-11 02:24:03,093 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2021-10-11 02:24:03,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:03,094 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-10-11 02:24:03,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:24:03,094 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-10-11 02:24:03,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:24:03,095 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:03,095 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, 1, 1, 1] [2021-10-11 02:24:03,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:24:03,296 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:03,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:03,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1074913896, now seen corresponding path program 1 times [2021-10-11 02:24:03,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:03,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [905729617] [2021-10-11 02:24:03,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/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 02:24:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:03,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:24:03,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:03,530 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 02:24:03,531 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:03,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [905729617] [2021-10-11 02:24:03,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:03,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:24:03,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684019226] [2021-10-11 02:24:03,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:24:03,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:03,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:24:03,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:24:03,534 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2021-10-11 02:24:03,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:03,598 INFO L93 Difference]: Finished difference Result 121 states and 175 transitions. [2021-10-11 02:24:03,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:24:03,599 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:24:03,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:03,600 INFO L225 Difference]: With dead ends: 121 [2021-10-11 02:24:03,600 INFO L226 Difference]: Without dead ends: 75 [2021-10-11 02:24:03,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 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 02:24:03,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-11 02:24:03,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2021-10-11 02:24:03,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2021-10-11 02:24:03,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2021-10-11 02:24:03,611 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 26 [2021-10-11 02:24:03,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:03,611 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2021-10-11 02:24:03,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:24:03,612 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2021-10-11 02:24:03,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:24:03,613 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:03,613 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:03,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:24:03,830 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:03,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:03,831 INFO L82 PathProgramCache]: Analyzing trace with hash -989359546, now seen corresponding path program 1 times [2021-10-11 02:24:03,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:03,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [969458667] [2021-10-11 02:24:03,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/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 02:24:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:04,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:24:04,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:04,081 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 02:24:04,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:04,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [969458667] [2021-10-11 02:24:04,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:04,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:24:04,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324149978] [2021-10-11 02:24:04,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:24:04,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:04,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:24:04,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:24:04,083 INFO L87 Difference]: Start difference. First operand 73 states and 103 transitions. Second operand 4 states. [2021-10-11 02:24:04,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:04,145 INFO L93 Difference]: Finished difference Result 203 states and 291 transitions. [2021-10-11 02:24:04,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:24:04,146 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2021-10-11 02:24:04,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:04,147 INFO L225 Difference]: With dead ends: 203 [2021-10-11 02:24:04,147 INFO L226 Difference]: Without dead ends: 137 [2021-10-11 02:24:04,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:24:04,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-11 02:24:04,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 77. [2021-10-11 02:24:04,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-10-11 02:24:04,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2021-10-11 02:24:04,160 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 32 [2021-10-11 02:24:04,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:04,160 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2021-10-11 02:24:04,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:24:04,160 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2021-10-11 02:24:04,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:24:04,161 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:04,162 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:04,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:24:04,383 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:04,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:04,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1690424124, now seen corresponding path program 1 times [2021-10-11 02:24:04,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:04,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1730441431] [2021-10-11 02:24:04,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:24:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:04,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:24:04,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:04,660 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 02:24:04,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:04,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1730441431] [2021-10-11 02:24:04,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:04,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:24:04,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867721635] [2021-10-11 02:24:04,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:24:04,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:04,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:24:04,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:24:04,662 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2021-10-11 02:24:04,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:04,871 INFO L93 Difference]: Finished difference Result 364 states and 517 transitions. [2021-10-11 02:24:04,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:24:04,872 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 02:24:04,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:04,874 INFO L225 Difference]: With dead ends: 364 [2021-10-11 02:24:04,874 INFO L226 Difference]: Without dead ends: 294 [2021-10-11 02:24:04,875 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 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 02:24:04,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-10-11 02:24:04,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 139. [2021-10-11 02:24:04,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2021-10-11 02:24:04,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 192 transitions. [2021-10-11 02:24:04,910 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 192 transitions. Word has length 32 [2021-10-11 02:24:04,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:04,910 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 192 transitions. [2021-10-11 02:24:04,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:24:04,911 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 192 transitions. [2021-10-11 02:24:04,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:24:04,912 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:04,912 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:05,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:24:05,128 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:05,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:05,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1690580660, now seen corresponding path program 1 times [2021-10-11 02:24:05,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:05,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301694597] [2021-10-11 02:24:05,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:24:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:05,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:24:05,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:05,390 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 02:24:05,390 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:05,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [301694597] [2021-10-11 02:24:05,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:05,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:24:05,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386772540] [2021-10-11 02:24:05,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:24:05,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:05,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:24:05,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:24:05,393 INFO L87 Difference]: Start difference. First operand 139 states and 192 transitions. Second operand 5 states. [2021-10-11 02:24:05,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:05,604 INFO L93 Difference]: Finished difference Result 526 states and 731 transitions. [2021-10-11 02:24:05,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:24:05,604 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 02:24:05,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:05,607 INFO L225 Difference]: With dead ends: 526 [2021-10-11 02:24:05,607 INFO L226 Difference]: Without dead ends: 394 [2021-10-11 02:24:05,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 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 02:24:05,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2021-10-11 02:24:05,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 138. [2021-10-11 02:24:05,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2021-10-11 02:24:05,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 189 transitions. [2021-10-11 02:24:05,630 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 189 transitions. Word has length 33 [2021-10-11 02:24:05,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:05,631 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 189 transitions. [2021-10-11 02:24:05,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:24:05,631 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 189 transitions. [2021-10-11 02:24:05,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:24:05,632 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:05,632 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:05,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:24:05,848 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:05,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:05,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1651164780, now seen corresponding path program 1 times [2021-10-11 02:24:05,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:05,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1154107033] [2021-10-11 02:24:05,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:24:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:06,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:24:06,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:06,094 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 02:24:06,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:06,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1154107033] [2021-10-11 02:24:06,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:06,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:24:06,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630838840] [2021-10-11 02:24:06,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:24:06,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:06,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:24:06,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:24:06,096 INFO L87 Difference]: Start difference. First operand 138 states and 189 transitions. Second operand 5 states. [2021-10-11 02:24:06,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:06,206 INFO L93 Difference]: Finished difference Result 355 states and 485 transitions. [2021-10-11 02:24:06,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:24:06,206 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2021-10-11 02:24:06,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:06,208 INFO L225 Difference]: With dead ends: 355 [2021-10-11 02:24:06,208 INFO L226 Difference]: Without dead ends: 224 [2021-10-11 02:24:06,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 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 02:24:06,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-10-11 02:24:06,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 150. [2021-10-11 02:24:06,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2021-10-11 02:24:06,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 201 transitions. [2021-10-11 02:24:06,230 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 201 transitions. Word has length 36 [2021-10-11 02:24:06,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:06,230 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 201 transitions. [2021-10-11 02:24:06,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:24:06,231 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 201 transitions. [2021-10-11 02:24:06,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:24:06,232 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:06,232 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:06,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:24:06,450 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:06,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:06,450 INFO L82 PathProgramCache]: Analyzing trace with hash -381020824, now seen corresponding path program 1 times [2021-10-11 02:24:06,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:06,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2047134037] [2021-10-11 02:24:06,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:24:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:06,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:24:06,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:06,706 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 02:24:06,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:06,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2047134037] [2021-10-11 02:24:06,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:06,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:24:06,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244536562] [2021-10-11 02:24:06,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:24:06,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:06,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:24:06,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:24:06,708 INFO L87 Difference]: Start difference. First operand 150 states and 201 transitions. Second operand 3 states. [2021-10-11 02:24:06,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:06,762 INFO L93 Difference]: Finished difference Result 343 states and 459 transitions. [2021-10-11 02:24:06,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:24:06,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2021-10-11 02:24:06,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:06,764 INFO L225 Difference]: With dead ends: 343 [2021-10-11 02:24:06,764 INFO L226 Difference]: Without dead ends: 200 [2021-10-11 02:24:06,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 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 02:24:06,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-10-11 02:24:06,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2021-10-11 02:24:06,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2021-10-11 02:24:06,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2021-10-11 02:24:06,790 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 36 [2021-10-11 02:24:06,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:06,790 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2021-10-11 02:24:06,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:24:06,791 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2021-10-11 02:24:06,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 02:24:06,791 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:06,791 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:07,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:24:07,004 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:07,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:07,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1855499608, now seen corresponding path program 1 times [2021-10-11 02:24:07,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:07,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296454909] [2021-10-11 02:24:07,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:24:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:07,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:24:07,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:07,244 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 02:24:07,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:07,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1296454909] [2021-10-11 02:24:07,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:07,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:24:07,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787639359] [2021-10-11 02:24:07,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:24:07,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:07,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:24:07,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:24:07,246 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand 6 states. [2021-10-11 02:24:08,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:08,898 INFO L93 Difference]: Finished difference Result 669 states and 871 transitions. [2021-10-11 02:24:08,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-11 02:24:08,898 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2021-10-11 02:24:08,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:08,902 INFO L225 Difference]: With dead ends: 669 [2021-10-11 02:24:08,902 INFO L226 Difference]: Without dead ends: 476 [2021-10-11 02:24:08,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-10-11 02:24:08,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2021-10-11 02:24:08,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 200. [2021-10-11 02:24:08,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2021-10-11 02:24:08,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 256 transitions. [2021-10-11 02:24:08,938 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 256 transitions. Word has length 37 [2021-10-11 02:24:08,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:08,938 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 256 transitions. [2021-10-11 02:24:08,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:24:08,938 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 256 transitions. [2021-10-11 02:24:08,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-11 02:24:08,940 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:08,940 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:09,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:24:09,154 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:09,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:09,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1441402284, now seen corresponding path program 1 times [2021-10-11 02:24:09,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:09,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1833621512] [2021-10-11 02:24:09,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2021-10-11 02:24:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:09,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:24:09,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:09,400 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:24:09,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:09,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1833621512] [2021-10-11 02:24:09,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:09,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:24:09,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973893747] [2021-10-11 02:24:09,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:24:09,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:09,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:24:09,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:24:09,401 INFO L87 Difference]: Start difference. First operand 200 states and 256 transitions. Second operand 6 states. [2021-10-11 02:24:11,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:11,011 INFO L93 Difference]: Finished difference Result 499 states and 642 transitions. [2021-10-11 02:24:11,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 02:24:11,012 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2021-10-11 02:24:11,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:11,013 INFO L225 Difference]: With dead ends: 499 [2021-10-11 02:24:11,013 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:24:11,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:24:11,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:24:11,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:24:11,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:24:11,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:24:11,015 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-11 02:24:11,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:11,015 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:24:11,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:24:11,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:24:11,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:24:11,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:24:11,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:24:11,514 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 66 [2021-10-11 02:24:11,717 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 81 [2021-10-11 02:24:11,893 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-10-11 02:24:12,094 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 102 [2021-10-11 02:24:12,351 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 95 [2021-10-11 02:24:12,490 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-10-11 02:24:12,833 WARN L197 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 24 [2021-10-11 02:24:13,399 WARN L197 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 20 [2021-10-11 02:24:13,988 WARN L197 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 17 [2021-10-11 02:24:14,734 WARN L197 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 15 [2021-10-11 02:24:15,136 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 21 [2021-10-11 02:24:15,409 WARN L197 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 24 [2021-10-11 02:24:15,961 WARN L197 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 15 [2021-10-11 02:24:16,084 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 22 [2021-10-11 02:24:16,575 WARN L197 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 16 [2021-10-11 02:24:16,655 INFO L258 CegarLoopResult]: At program point L927(lines 922 929) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:16,656 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 412) no Hoare annotation was computed. [2021-10-11 02:24:16,656 INFO L262 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2021-10-11 02:24:16,656 INFO L262 CegarLoopResult]: For program point L433-1(lines 538 544) no Hoare annotation was computed. [2021-10-11 02:24:16,656 INFO L262 CegarLoopResult]: For program point L632(lines 632 638) no Hoare annotation was computed. [2021-10-11 02:24:16,656 INFO L262 CegarLoopResult]: For program point L632-2(lines 632 638) no Hoare annotation was computed. [2021-10-11 02:24:16,656 INFO L262 CegarLoopResult]: For program point L632-4(lines 632 638) no Hoare annotation was computed. [2021-10-11 02:24:16,656 INFO L262 CegarLoopResult]: For program point L632-6(lines 632 638) no Hoare annotation was computed. [2021-10-11 02:24:16,656 INFO L262 CegarLoopResult]: For program point L632-8(lines 632 638) no Hoare annotation was computed. [2021-10-11 02:24:16,656 INFO L262 CegarLoopResult]: For program point L632-10(lines 632 638) no Hoare annotation was computed. [2021-10-11 02:24:16,657 INFO L262 CegarLoopResult]: For program point L798(lines 798 802) no Hoare annotation was computed. [2021-10-11 02:24:16,657 INFO L262 CegarLoopResult]: For program point L798-3(lines 798 802) no Hoare annotation was computed. [2021-10-11 02:24:16,657 INFO L258 CegarLoopResult]: At program point L666(lines 661 669) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:16,657 INFO L258 CegarLoopResult]: At program point L666-1(lines 661 669) the Hoare annotation is: false [2021-10-11 02:24:16,657 INFO L262 CegarLoopResult]: For program point L600(lines 600 608) no Hoare annotation was computed. [2021-10-11 02:24:16,657 INFO L262 CegarLoopResult]: For program point L798-6(lines 798 802) no Hoare annotation was computed. [2021-10-11 02:24:16,657 INFO L258 CegarLoopResult]: At program point L666-2(lines 661 669) the Hoare annotation is: false [2021-10-11 02:24:16,657 INFO L262 CegarLoopResult]: For program point L600-1(lines 600 608) no Hoare annotation was computed. [2021-10-11 02:24:16,657 INFO L262 CegarLoopResult]: For program point L600-2(lines 600 608) no Hoare annotation was computed. [2021-10-11 02:24:16,657 INFO L262 CegarLoopResult]: For program point L766(lines 766 777) no Hoare annotation was computed. [2021-10-11 02:24:16,658 INFO L262 CegarLoopResult]: For program point L570(lines 570 587) no Hoare annotation was computed. [2021-10-11 02:24:16,658 INFO L262 CegarLoopResult]: For program point L570-1(lines 570 587) no Hoare annotation was computed. [2021-10-11 02:24:16,658 INFO L262 CegarLoopResult]: For program point L570-2(lines 570 587) no Hoare annotation was computed. [2021-10-11 02:24:16,658 INFO L262 CegarLoopResult]: For program point L570-3(lines 570 587) no Hoare annotation was computed. [2021-10-11 02:24:16,658 INFO L262 CegarLoopResult]: For program point L570-4(lines 570 587) no Hoare annotation was computed. [2021-10-11 02:24:16,658 INFO L262 CegarLoopResult]: For program point L570-5(lines 570 587) no Hoare annotation was computed. [2021-10-11 02:24:16,658 INFO L258 CegarLoopResult]: At program point L835(lines 830 838) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-11 02:24:16,659 INFO L258 CegarLoopResult]: At program point L835-1(lines 830 838) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:16,659 INFO L258 CegarLoopResult]: At program point L835-2(lines 830 838) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2021-10-11 02:24:16,659 INFO L258 CegarLoopResult]: At program point L835-3(lines 830 838) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0) .cse1) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-11 02:24:16,659 INFO L258 CegarLoopResult]: At program point L835-4(lines 830 838) the Hoare annotation is: false [2021-10-11 02:24:16,659 INFO L258 CegarLoopResult]: At program point L835-5(lines 830 838) the Hoare annotation is: false [2021-10-11 02:24:16,659 INFO L258 CegarLoopResult]: At program point L835-6(lines 830 838) the Hoare annotation is: false [2021-10-11 02:24:16,660 INFO L258 CegarLoopResult]: At program point L835-7(lines 830 838) the Hoare annotation is: false [2021-10-11 02:24:16,660 INFO L258 CegarLoopResult]: At program point L835-8(lines 830 838) the Hoare annotation is: false [2021-10-11 02:24:16,660 INFO L258 CegarLoopResult]: At program point L538(lines 537 556) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-11 02:24:16,660 INFO L258 CegarLoopResult]: At program point L835-9(lines 830 838) the Hoare annotation is: false [2021-10-11 02:24:16,660 INFO L262 CegarLoopResult]: For program point L538-1(lines 538 544) no Hoare annotation was computed. [2021-10-11 02:24:16,660 INFO L258 CegarLoopResult]: At program point L835-10(lines 830 838) the Hoare annotation is: false [2021-10-11 02:24:16,661 INFO L258 CegarLoopResult]: At program point L538-2(lines 537 556) the Hoare annotation is: false [2021-10-11 02:24:16,661 INFO L258 CegarLoopResult]: At program point L835-11(lines 830 838) the Hoare annotation is: false [2021-10-11 02:24:16,661 INFO L258 CegarLoopResult]: At program point L538-3(lines 537 556) the Hoare annotation is: false [2021-10-11 02:24:16,661 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 412) no Hoare annotation was computed. [2021-10-11 02:24:16,661 INFO L262 CegarLoopResult]: For program point L737(lines 736 781) no Hoare annotation was computed. [2021-10-11 02:24:16,661 INFO L262 CegarLoopResult]: For program point L738(lines 738 742) no Hoare annotation was computed. [2021-10-11 02:24:16,661 INFO L262 CegarLoopResult]: For program point L772(lines 772 776) no Hoare annotation was computed. [2021-10-11 02:24:16,661 INFO L262 CegarLoopResult]: For program point L772-2(lines 538 544) no Hoare annotation was computed. [2021-10-11 02:24:16,661 INFO L262 CegarLoopResult]: For program point L574(lines 574 582) no Hoare annotation was computed. [2021-10-11 02:24:16,661 INFO L262 CegarLoopResult]: For program point L574-1(lines 574 582) no Hoare annotation was computed. [2021-10-11 02:24:16,662 INFO L262 CegarLoopResult]: For program point L574-2(lines 574 582) no Hoare annotation was computed. [2021-10-11 02:24:16,662 INFO L262 CegarLoopResult]: For program point L574-3(lines 574 582) no Hoare annotation was computed. [2021-10-11 02:24:16,662 INFO L262 CegarLoopResult]: For program point L574-4(lines 574 582) no Hoare annotation was computed. [2021-10-11 02:24:16,662 INFO L262 CegarLoopResult]: For program point L574-5(lines 574 582) no Hoare annotation was computed. [2021-10-11 02:24:16,662 INFO L262 CegarLoopResult]: For program point L938(lines 938 955) no Hoare annotation was computed. [2021-10-11 02:24:16,662 INFO L258 CegarLoopResult]: At program point L938-1(lines 1 958) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3 .cse2) (and .cse0 .cse3 .cse1 .cse2))) [2021-10-11 02:24:16,662 INFO L262 CegarLoopResult]: For program point L938-2(lines 938 955) no Hoare annotation was computed. [2021-10-11 02:24:16,662 INFO L258 CegarLoopResult]: At program point L938-3(lines 1 958) the Hoare annotation is: false [2021-10-11 02:24:16,662 INFO L262 CegarLoopResult]: For program point L938-4(lines 938 955) no Hoare annotation was computed. [2021-10-11 02:24:16,662 INFO L258 CegarLoopResult]: At program point L938-5(lines 1 958) the Hoare annotation is: false [2021-10-11 02:24:16,662 INFO L262 CegarLoopResult]: For program point L509(lines 509 516) no Hoare annotation was computed. [2021-10-11 02:24:16,662 INFO L265 CegarLoopResult]: At program point L509-1(lines 509 516) the Hoare annotation is: true [2021-10-11 02:24:16,662 INFO L262 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2021-10-11 02:24:16,662 INFO L262 CegarLoopResult]: For program point L412-1(line 412) no Hoare annotation was computed. [2021-10-11 02:24:16,662 INFO L262 CegarLoopResult]: For program point L412-2(line 412) no Hoare annotation was computed. [2021-10-11 02:24:16,663 INFO L258 CegarLoopResult]: At program point L908(lines 1 958) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:16,663 INFO L262 CegarLoopResult]: For program point L875(lines 875 881) no Hoare annotation was computed. [2021-10-11 02:24:16,663 INFO L262 CegarLoopResult]: For program point L875-1(lines 875 881) no Hoare annotation was computed. [2021-10-11 02:24:16,663 INFO L262 CegarLoopResult]: For program point L875-2(lines 875 881) no Hoare annotation was computed. [2021-10-11 02:24:16,663 INFO L262 CegarLoopResult]: For program point L875-3(lines 875 881) no Hoare annotation was computed. [2021-10-11 02:24:16,663 INFO L262 CegarLoopResult]: For program point L875-4(lines 875 881) no Hoare annotation was computed. [2021-10-11 02:24:16,663 INFO L262 CegarLoopResult]: For program point L875-5(lines 875 881) no Hoare annotation was computed. [2021-10-11 02:24:16,663 INFO L258 CegarLoopResult]: At program point L545(lines 545 551) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse3 .cse2))) [2021-10-11 02:24:16,663 INFO L258 CegarLoopResult]: At program point L545-1(lines 545 551) the Hoare annotation is: false [2021-10-11 02:24:16,663 INFO L258 CegarLoopResult]: At program point L545-2(lines 545 551) the Hoare annotation is: false [2021-10-11 02:24:16,663 INFO L262 CegarLoopResult]: For program point L942(lines 942 952) no Hoare annotation was computed. [2021-10-11 02:24:16,663 INFO L262 CegarLoopResult]: For program point L942-2(lines 942 952) no Hoare annotation was computed. [2021-10-11 02:24:16,663 INFO L262 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2021-10-11 02:24:16,663 INFO L262 CegarLoopResult]: For program point L942-4(lines 942 952) no Hoare annotation was computed. [2021-10-11 02:24:16,663 INFO L258 CegarLoopResult]: At program point L480(lines 476 482) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:16,663 INFO L262 CegarLoopResult]: For program point L943(lines 943 949) no Hoare annotation was computed. [2021-10-11 02:24:16,664 INFO L262 CegarLoopResult]: For program point L943-2(lines 943 949) no Hoare annotation was computed. [2021-10-11 02:24:16,664 INFO L262 CegarLoopResult]: For program point L943-4(lines 943 949) no Hoare annotation was computed. [2021-10-11 02:24:16,664 INFO L262 CegarLoopResult]: For program point L746(lines 746 752) no Hoare annotation was computed. [2021-10-11 02:24:16,664 INFO L258 CegarLoopResult]: At program point L746-1(lines 746 752) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3 .cse2) (and .cse0 .cse3 .cse1 .cse2))) [2021-10-11 02:24:16,664 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:24:16,664 INFO L258 CegarLoopResult]: At program point L880(lines 871 884) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:16,664 INFO L258 CegarLoopResult]: At program point L880-1(lines 871 884) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2))) [2021-10-11 02:24:16,664 INFO L258 CegarLoopResult]: At program point L880-2(lines 871 884) the Hoare annotation is: false [2021-10-11 02:24:16,664 INFO L258 CegarLoopResult]: At program point L880-3(lines 871 884) the Hoare annotation is: false [2021-10-11 02:24:16,664 INFO L258 CegarLoopResult]: At program point L880-4(lines 871 884) the Hoare annotation is: false [2021-10-11 02:24:16,664 INFO L262 CegarLoopResult]: For program point L715(lines 715 719) no Hoare annotation was computed. [2021-10-11 02:24:16,665 INFO L258 CegarLoopResult]: At program point L880-5(lines 871 884) the Hoare annotation is: false [2021-10-11 02:24:16,665 INFO L262 CegarLoopResult]: For program point L715-2(lines 715 719) no Hoare annotation was computed. [2021-10-11 02:24:16,665 INFO L262 CegarLoopResult]: For program point L715-3(lines 715 719) no Hoare annotation was computed. [2021-10-11 02:24:16,665 INFO L262 CegarLoopResult]: For program point L715-5(lines 715 719) no Hoare annotation was computed. [2021-10-11 02:24:16,665 INFO L262 CegarLoopResult]: For program point L715-6(lines 715 719) no Hoare annotation was computed. [2021-10-11 02:24:16,665 INFO L262 CegarLoopResult]: For program point L715-8(lines 715 719) no Hoare annotation was computed. [2021-10-11 02:24:16,665 INFO L262 CegarLoopResult]: For program point L715-9(lines 715 719) no Hoare annotation was computed. [2021-10-11 02:24:16,665 INFO L262 CegarLoopResult]: For program point L715-11(lines 715 719) no Hoare annotation was computed. [2021-10-11 02:24:16,665 INFO L262 CegarLoopResult]: For program point L715-12(lines 715 719) no Hoare annotation was computed. [2021-10-11 02:24:16,665 INFO L262 CegarLoopResult]: For program point L715-14(lines 715 719) no Hoare annotation was computed. [2021-10-11 02:24:16,665 INFO L262 CegarLoopResult]: For program point L715-15(lines 715 719) no Hoare annotation was computed. [2021-10-11 02:24:16,665 INFO L262 CegarLoopResult]: For program point L715-17(lines 715 719) no Hoare annotation was computed. [2021-10-11 02:24:16,666 INFO L258 CegarLoopResult]: At program point L782(lines 735 783) the Hoare annotation is: false [2021-10-11 02:24:16,666 INFO L265 CegarLoopResult]: At program point L518(lines 499 521) the Hoare annotation is: true [2021-10-11 02:24:16,666 INFO L258 CegarLoopResult]: At program point L916(lines 911 919) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:16,666 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:24:16,666 INFO L258 CegarLoopResult]: At program point L721(lines 706 724) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:16,666 INFO L258 CegarLoopResult]: At program point L721-1(lines 706 724) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2))) [2021-10-11 02:24:16,666 INFO L258 CegarLoopResult]: At program point L721-2(lines 706 724) the Hoare annotation is: false [2021-10-11 02:24:16,666 INFO L258 CegarLoopResult]: At program point L721-3(lines 706 724) the Hoare annotation is: false [2021-10-11 02:24:16,666 INFO L258 CegarLoopResult]: At program point L721-4(lines 706 724) the Hoare annotation is: false [2021-10-11 02:24:16,666 INFO L258 CegarLoopResult]: At program point L721-5(lines 706 724) the Hoare annotation is: false [2021-10-11 02:24:16,666 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:24:16,666 INFO L262 CegarLoopResult]: For program point L822(lines 822 826) no Hoare annotation was computed. [2021-10-11 02:24:16,666 INFO L262 CegarLoopResult]: For program point L756(lines 756 762) no Hoare annotation was computed. [2021-10-11 02:24:16,666 INFO L258 CegarLoopResult]: At program point L756-1(lines 756 762) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-11 02:24:16,667 INFO L258 CegarLoopResult]: At program point L657(lines 650 660) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1))) [2021-10-11 02:24:16,667 INFO L258 CegarLoopResult]: At program point L657-1(lines 650 660) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:16,667 INFO L258 CegarLoopResult]: At program point L657-2(lines 650 660) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2021-10-11 02:24:16,667 INFO L258 CegarLoopResult]: At program point L657-3(lines 650 660) the Hoare annotation is: false [2021-10-11 02:24:16,667 INFO L258 CegarLoopResult]: At program point L657-4(lines 650 660) the Hoare annotation is: false [2021-10-11 02:24:16,667 INFO L258 CegarLoopResult]: At program point L657-5(lines 650 660) the Hoare annotation is: false [2021-10-11 02:24:16,667 INFO L258 CegarLoopResult]: At program point L657-6(lines 650 660) the Hoare annotation is: false [2021-10-11 02:24:16,667 INFO L258 CegarLoopResult]: At program point L657-7(lines 650 660) the Hoare annotation is: false [2021-10-11 02:24:16,668 INFO L258 CegarLoopResult]: At program point L657-8(lines 650 660) the Hoare annotation is: false [2021-10-11 02:24:16,668 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:24:16,668 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 412) no Hoare annotation was computed. [2021-10-11 02:24:16,668 INFO L258 CegarLoopResult]: At program point L429-2(lines 429 443) the Hoare annotation is: false [2021-10-11 02:24:16,668 INFO L262 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2021-10-11 02:24:16,668 INFO L262 CegarLoopResult]: For program point L596(lines 596 613) no Hoare annotation was computed. [2021-10-11 02:24:16,668 INFO L262 CegarLoopResult]: For program point L596-1(lines 596 613) no Hoare annotation was computed. [2021-10-11 02:24:16,668 INFO L262 CegarLoopResult]: For program point L596-2(lines 596 613) no Hoare annotation was computed. [2021-10-11 02:24:16,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:24:16 BoogieIcfgContainer [2021-10-11 02:24:16,711 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:24:16,711 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:24:16,712 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:24:16,727 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:24:16,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:01" (3/4) ... [2021-10-11 02:24:16,731 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:24:16,763 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:24:16,769 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:24:16,770 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:24:16,772 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:24:16,773 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:24:16,775 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:24:16,776 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:24:16,805 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:24:16,805 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:24:16,807 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:24:16,810 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:24:16,810 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:24:16,811 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && \result == 1bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:24:16,812 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:24:16,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:24:16,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:24:16,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:24:16,822 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:24:16,822 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:24:16,822 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:24:16,909 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bf4be1-81be-49af-ae52-539198d42b9c/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:24:16,909 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:24:16,910 INFO L168 Benchmark]: Toolchain (without parser) took 18899.02 ms. Allocated memory was 50.3 MB in the beginning and 100.7 MB in the end (delta: 50.3 MB). Free memory was 26.7 MB in the beginning and 36.6 MB in the end (delta: -9.9 MB). Peak memory consumption was 41.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:16,910 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 50.3 MB. Free memory was 31.4 MB in the beginning and 31.4 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:16,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.38 ms. Allocated memory was 50.3 MB in the beginning and 69.2 MB in the end (delta: 18.9 MB). Free memory was 26.6 MB in the beginning and 37.8 MB in the end (delta: -11.3 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:16,911 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.11 ms. Allocated memory is still 69.2 MB. Free memory was 37.8 MB in the beginning and 33.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:16,912 INFO L168 Benchmark]: Boogie Preprocessor took 71.35 ms. Allocated memory is still 69.2 MB. Free memory was 33.9 MB in the beginning and 50.8 MB in the end (delta: -16.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:16,912 INFO L168 Benchmark]: RCFGBuilder took 2660.62 ms. Allocated memory is still 69.2 MB. Free memory was 50.8 MB in the beginning and 26.6 MB in the end (delta: 24.2 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:16,913 INFO L168 Benchmark]: TraceAbstraction took 15158.29 ms. Allocated memory was 69.2 MB in the beginning and 100.7 MB in the end (delta: 31.5 MB). Free memory was 26.2 MB in the beginning and 48.1 MB in the end (delta: -22.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:16,913 INFO L168 Benchmark]: Witness Printer took 197.83 ms. Allocated memory is still 100.7 MB. Free memory was 48.1 MB in the beginning and 36.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:16,916 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 50.3 MB. Free memory was 31.4 MB in the beginning and 31.4 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 722.38 ms. Allocated memory was 50.3 MB in the beginning and 69.2 MB in the end (delta: 18.9 MB). Free memory was 26.6 MB in the beginning and 37.8 MB in the end (delta: -11.3 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.11 ms. Allocated memory is still 69.2 MB. Free memory was 37.8 MB in the beginning and 33.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.35 ms. Allocated memory is still 69.2 MB. Free memory was 33.9 MB in the beginning and 50.8 MB in the end (delta: -16.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2660.62 ms. Allocated memory is still 69.2 MB. Free memory was 50.8 MB in the beginning and 26.6 MB in the end (delta: 24.2 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15158.29 ms. Allocated memory was 69.2 MB in the beginning and 100.7 MB in the end (delta: 31.5 MB). Free memory was 26.2 MB in the beginning and 48.1 MB in the end (delta: -22.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. * Witness Printer took 197.83 ms. Allocated memory is still 100.7 MB. Free memory was 48.1 MB in the beginning and 36.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 412]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 412]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 412]: 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: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && \result == 1bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 133 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.6s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1243 SDtfs, 1568 SDslu, 2088 SDs, 0 SdLazy, 341 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 378 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 823 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 185 NumberOfFragments, 663 HoareAnnotationTreeSize, 55 FomulaSimplifications, 346399 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 55 FomulaSimplificationsInter, 52344 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 22830 SizeOfPredicates, 23 NumberOfNonLiveVariables, 2331 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 14/14 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...