./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan --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 22c7cf4a4cbd4c9d9a1437e76dac75349b25e74a ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan --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 22c7cf4a4cbd4c9d9a1437e76dac75349b25e74a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:06:37,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:06:37,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:06:37,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:06:37,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:06:37,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:06:37,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:06:37,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:06:37,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:06:37,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:06:37,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:06:37,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:06:37,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:06:37,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:06:37,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:06:37,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:06:37,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:06:37,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:06:37,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:06:37,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:06:37,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:06:37,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:06:37,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:06:37,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:06:37,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:06:37,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:06:37,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:06:37,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:06:37,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:06:37,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:06:37,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:06:37,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:06:37,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:06:37,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:06:37,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:06:37,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:06:37,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:06:37,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:06:37,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:06:37,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:06:37,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:06:37,387 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:06:37,426 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:06:37,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:06:37,427 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:06:37,428 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:06:37,428 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:06:37,428 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:06:37,428 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:06:37,428 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:06:37,429 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:06:37,429 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:06:37,430 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:06:37,430 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:06:37,430 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:06:37,431 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:06:37,431 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:06:37,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:06:37,432 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:06:37,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:06:37,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:06:37,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:06:37,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:06:37,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:06:37,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:06:37,433 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:06:37,433 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:06:37,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:06:37,434 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:06:37,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:06:37,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:06:37,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:06:37,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:06:37,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:06:37,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:06:37,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:06:37,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:06:37,437 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:06:37,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:06:37,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:06:37,438 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:06:37,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:06:37,438 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-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22c7cf4a4cbd4c9d9a1437e76dac75349b25e74a [2020-11-22 13:06:37,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:06:37,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:06:37,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:06:37,720 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:06:37,720 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:06:37,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2020-11-22 13:06:37,780 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/data/82b7ca2cf/8cb5772f5b2d4bfd92ff795a5161b0d4/FLAG44ee9bef2 [2020-11-22 13:06:38,301 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:06:38,303 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2020-11-22 13:06:38,317 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/data/82b7ca2cf/8cb5772f5b2d4bfd92ff795a5161b0d4/FLAG44ee9bef2 [2020-11-22 13:06:38,607 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/data/82b7ca2cf/8cb5772f5b2d4bfd92ff795a5161b0d4 [2020-11-22 13:06:38,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:06:38,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:06:38,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:38,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:06:38,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:06:38,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:38" (1/1) ... [2020-11-22 13:06:38,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28363dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:38, skipping insertion in model container [2020-11-22 13:06:38,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:38" (1/1) ... [2020-11-22 13:06:38,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:06:38,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:06:39,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:06:39,088 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) [2020-11-22 13:06:39,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e8df3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:39, skipping insertion in model container [2020-11-22 13:06:39,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:39,090 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:06:39,092 INFO L168 Benchmark]: Toolchain (without parser) took 480.17 ms. Allocated memory is still 104.9 MB. Free memory was 76.6 MB in the beginning and 78.9 MB in the end (delta: -2.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:39,093 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 104.9 MB. Free memory was 64.3 MB in the beginning and 64.3 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:06:39,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.25 ms. Allocated memory is still 104.9 MB. Free memory was 76.6 MB in the beginning and 78.9 MB in the end (delta: -2.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:39,095 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 104.9 MB. Free memory was 64.3 MB in the beginning and 64.3 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 474.25 ms. Allocated memory is still 104.9 MB. Free memory was 76.6 MB in the beginning and 78.9 MB in the end (delta: -2.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 646]: 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-a4ecdab [2020-11-22 13:06:41,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:06:41,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:06:41,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:06:41,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:06:41,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:06:41,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:06:41,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:06:41,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:06:41,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:06:41,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:06:41,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:06:41,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:06:41,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:06:41,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:06:41,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:06:41,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:06:41,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:06:41,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:06:41,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:06:41,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:06:41,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:06:41,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:06:41,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:06:41,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:06:41,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:06:41,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:06:41,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:06:41,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:06:41,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:06:41,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:06:41,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:06:41,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:06:41,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:06:41,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:06:41,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:06:41,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:06:41,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:06:41,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:06:41,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:06:41,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:06:41,380 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:06:41,431 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:06:41,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:06:41,433 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:06:41,434 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:06:41,434 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:06:41,434 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:06:41,434 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:06:41,434 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:06:41,435 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:06:41,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:06:41,437 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:06:41,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:06:41,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:06:41,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:06:41,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:06:41,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:06:41,438 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:06:41,438 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:06:41,438 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:06:41,439 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:06:41,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:06:41,439 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:06:41,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:06:41,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:06:41,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:06:41,440 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:06:41,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:06:41,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:06:41,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:06:41,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:06:41,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:06:41,441 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:06:41,441 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:06:41,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:06:41,442 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:06:41,442 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:06:41,442 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-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22c7cf4a4cbd4c9d9a1437e76dac75349b25e74a [2020-11-22 13:06:41,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:06:41,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:06:41,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:06:41,797 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:06:41,799 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:06:41,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2020-11-22 13:06:41,881 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/data/5e1e846c4/f7a079f45347427aada290e5805570e7/FLAG829153df3 [2020-11-22 13:06:42,456 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:06:42,456 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2020-11-22 13:06:42,468 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/data/5e1e846c4/f7a079f45347427aada290e5805570e7/FLAG829153df3 [2020-11-22 13:06:42,742 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/data/5e1e846c4/f7a079f45347427aada290e5805570e7 [2020-11-22 13:06:42,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:06:42,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:06:42,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:42,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:06:42,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:06:42,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:42" (1/1) ... [2020-11-22 13:06:42,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55fb8589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:42, skipping insertion in model container [2020-11-22 13:06:42,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:42" (1/1) ... [2020-11-22 13:06:42,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:06:42,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:06:43,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:06:43,090 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:06:43,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:06:43,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:06:43,175 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:06:43,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:06:43,354 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:06:43,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:43 WrapperNode [2020-11-22 13:06:43,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:43,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:06:43,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:06:43,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:06:43,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:43" (1/1) ... [2020-11-22 13:06:43,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:43" (1/1) ... [2020-11-22 13:06:43,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:06:43,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:06:43,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:06:43,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:06:43,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:43" (1/1) ... [2020-11-22 13:06:43,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:43" (1/1) ... [2020-11-22 13:06:43,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:43" (1/1) ... [2020-11-22 13:06:43,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:43" (1/1) ... [2020-11-22 13:06:43,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:43" (1/1) ... [2020-11-22 13:06:43,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:43" (1/1) ... [2020-11-22 13:06:43,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:43" (1/1) ... [2020-11-22 13:06:43,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:06:43,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:06:43,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:06:43,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:06:43,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/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 [2020-11-22 13:06:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:06:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:06:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:06:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:06:46,035 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:06:46,036 INFO L298 CfgBuilder]: Removed 170 assume(true) statements. [2020-11-22 13:06:46,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:06:46 BoogieIcfgContainer [2020-11-22 13:06:46,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:06:46,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:06:46,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:06:46,044 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:06:46,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:06:42" (1/3) ... [2020-11-22 13:06:46,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2f20a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:06:46, skipping insertion in model container [2020-11-22 13:06:46,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:43" (2/3) ... [2020-11-22 13:06:46,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2f20a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:06:46, skipping insertion in model container [2020-11-22 13:06:46,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:06:46" (3/3) ... [2020-11-22 13:06:46,047 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2020-11-22 13:06:46,063 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:06:46,068 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:06:46,079 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:06:46,114 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:06:46,114 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:06:46,114 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:06:46,115 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:06:46,115 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:06:46,115 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:06:46,115 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:06:46,115 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:06:46,135 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-11-22 13:06:46,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 13:06:46,143 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:46,144 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:06:46,144 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:46,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:46,151 INFO L82 PathProgramCache]: Analyzing trace with hash -2046385212, now seen corresponding path program 1 times [2020-11-22 13:06:46,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:46,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [26277632] [2020-11-22 13:06:46,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/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 [2020-11-22 13:06:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:46,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:06:46,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:46,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:46,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:46,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:46,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [26277632] [2020-11-22 13:06:46,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:46,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:06:46,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082090530] [2020-11-22 13:06:46,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:06:46,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:06:46,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:06:46,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:06:46,457 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-11-22 13:06:46,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:46,486 INFO L93 Difference]: Finished difference Result 218 states and 327 transitions. [2020-11-22 13:06:46,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:06:46,487 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 13:06:46,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:46,498 INFO L225 Difference]: With dead ends: 218 [2020-11-22 13:06:46,498 INFO L226 Difference]: Without dead ends: 107 [2020-11-22 13:06:46,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:06:46,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-22 13:06:46,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-11-22 13:06:46,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-11-22 13:06:46,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2020-11-22 13:06:46,542 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 18 [2020-11-22 13:06:46,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:46,543 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2020-11-22 13:06:46,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:06:46,543 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2020-11-22 13:06:46,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 13:06:46,544 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:46,544 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:06:46,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:06:46,762 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:46,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:46,766 INFO L82 PathProgramCache]: Analyzing trace with hash 2029746115, now seen corresponding path program 1 times [2020-11-22 13:06:46,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:46,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [656657322] [2020-11-22 13:06:46,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/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 [2020-11-22 13:06:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:46,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:06:46,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:47,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:47,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:47,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:47,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [656657322] [2020-11-22 13:06:47,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:47,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:06:47,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868288574] [2020-11-22 13:06:47,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:06:47,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:06:47,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:06:47,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:06:47,046 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand 4 states. [2020-11-22 13:06:47,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:47,069 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2020-11-22 13:06:47,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:06:47,082 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 13:06:47,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:47,083 INFO L225 Difference]: With dead ends: 107 [2020-11-22 13:06:47,083 INFO L226 Difference]: Without dead ends: 47 [2020-11-22 13:06:47,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:06:47,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-22 13:06:47,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-11-22 13:06:47,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-22 13:06:47,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-11-22 13:06:47,091 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2020-11-22 13:06:47,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:47,092 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-11-22 13:06:47,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:06:47,092 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-11-22 13:06:47,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:06:47,093 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:47,093 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] [2020-11-22 13:06:47,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:06:47,310 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:47,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:47,311 INFO L82 PathProgramCache]: Analyzing trace with hash 2097278400, now seen corresponding path program 1 times [2020-11-22 13:06:47,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:47,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1978881294] [2020-11-22 13:06:47,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/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 [2020-11-22 13:06:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:47,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:06:47,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:47,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:47,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:47,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:47,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1978881294] [2020-11-22 13:06:47,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:47,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:06:47,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47339037] [2020-11-22 13:06:47,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:06:47,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:06:47,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:06:47,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:06:47,608 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 4 states. [2020-11-22 13:06:47,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:47,677 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2020-11-22 13:06:47,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:06:47,678 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 13:06:47,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:47,680 INFO L225 Difference]: With dead ends: 151 [2020-11-22 13:06:47,680 INFO L226 Difference]: Without dead ends: 111 [2020-11-22 13:06:47,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:06:47,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-11-22 13:06:47,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 67. [2020-11-22 13:06:47,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-11-22 13:06:47,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 98 transitions. [2020-11-22 13:06:47,694 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 98 transitions. Word has length 24 [2020-11-22 13:06:47,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:47,695 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 98 transitions. [2020-11-22 13:06:47,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:06:47,695 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2020-11-22 13:06:47,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 13:06:47,696 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:47,696 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] [2020-11-22 13:06:47,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:06:47,916 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:47,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:47,916 INFO L82 PathProgramCache]: Analyzing trace with hash 36896594, now seen corresponding path program 1 times [2020-11-22 13:06:47,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:47,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661172920] [2020-11-22 13:06:47,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/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 [2020-11-22 13:06:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:48,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:06:48,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:48,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:48,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:48,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:48,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [661172920] [2020-11-22 13:06:48,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:48,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:06:48,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543607274] [2020-11-22 13:06:48,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:06:48,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:06:48,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:06:48,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:06:48,183 INFO L87 Difference]: Start difference. First operand 67 states and 98 transitions. Second operand 5 states. [2020-11-22 13:06:48,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:48,386 INFO L93 Difference]: Finished difference Result 314 states and 480 transitions. [2020-11-22 13:06:48,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:06:48,389 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-22 13:06:48,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:48,393 INFO L225 Difference]: With dead ends: 314 [2020-11-22 13:06:48,397 INFO L226 Difference]: Without dead ends: 254 [2020-11-22 13:06:48,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:06:48,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-11-22 13:06:48,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 119. [2020-11-22 13:06:48,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-11-22 13:06:48,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2020-11-22 13:06:48,446 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 26 [2020-11-22 13:06:48,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:48,447 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2020-11-22 13:06:48,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:06:48,447 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2020-11-22 13:06:48,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-22 13:06:48,450 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:48,451 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] [2020-11-22 13:06:48,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:06:48,668 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:48,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:48,668 INFO L82 PathProgramCache]: Analyzing trace with hash -979197478, now seen corresponding path program 1 times [2020-11-22 13:06:48,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:48,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1469460203] [2020-11-22 13:06:48,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/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 [2020-11-22 13:06:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:48,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:06:48,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:48,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:48,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:48,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:48,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1469460203] [2020-11-22 13:06:48,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:48,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:06:48,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296931415] [2020-11-22 13:06:48,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:06:48,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:06:48,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:06:48,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:06:48,905 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand 5 states. [2020-11-22 13:06:49,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:49,032 INFO L93 Difference]: Finished difference Result 315 states and 472 transitions. [2020-11-22 13:06:49,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:06:49,033 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-22 13:06:49,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:49,033 INFO L225 Difference]: With dead ends: 315 [2020-11-22 13:06:49,033 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:06:49,034 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:06:49,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:06:49,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:06:49,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:06:49,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:06:49,035 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-11-22 13:06:49,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:49,036 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:06:49,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:06:49,036 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:06:49,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:06:49,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:06:49,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:06:49,745 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:06:49,745 INFO L274 CegarLoopResult]: For program point L333(lines 333 339) no Hoare annotation was computed. [2020-11-22 13:06:49,745 INFO L270 CegarLoopResult]: At program point L333-1(lines 333 339) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:06:49,745 INFO L274 CegarLoopResult]: For program point L69(lines 69 73) no Hoare annotation was computed. [2020-11-22 13:06:49,746 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:06:49,746 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:06:49,746 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:06:49,746 INFO L270 CegarLoopResult]: At program point L533(lines 528 536) the Hoare annotation is: false [2020-11-22 13:06:49,746 INFO L270 CegarLoopResult]: At program point L533-1(lines 528 536) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:06:49,746 INFO L270 CegarLoopResult]: At program point L533-2(lines 528 536) the Hoare annotation is: false [2020-11-22 13:06:49,746 INFO L270 CegarLoopResult]: At program point L533-3(lines 528 536) the Hoare annotation is: false [2020-11-22 13:06:49,746 INFO L270 CegarLoopResult]: At program point L533-4(lines 528 536) the Hoare annotation is: false [2020-11-22 13:06:49,747 INFO L274 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-11-22 13:06:49,747 INFO L270 CegarLoopResult]: At program point L533-5(lines 528 536) the Hoare annotation is: false [2020-11-22 13:06:49,747 INFO L274 CegarLoopResult]: For program point L368-1(lines 142 148) no Hoare annotation was computed. [2020-11-22 13:06:49,747 INFO L274 CegarLoopResult]: For program point L600(lines 600 610) no Hoare annotation was computed. [2020-11-22 13:06:49,747 INFO L274 CegarLoopResult]: For program point L600-2(lines 600 610) no Hoare annotation was computed. [2020-11-22 13:06:49,747 INFO L274 CegarLoopResult]: For program point L600-4(lines 600 610) no Hoare annotation was computed. [2020-11-22 13:06:49,747 INFO L270 CegarLoopResult]: At program point L270(lines 265 273) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:06:49,747 INFO L270 CegarLoopResult]: At program point L270-1(lines 265 273) the Hoare annotation is: false [2020-11-22 13:06:49,747 INFO L274 CegarLoopResult]: For program point L204(lines 204 212) no Hoare annotation was computed. [2020-11-22 13:06:49,748 INFO L270 CegarLoopResult]: At program point L270-2(lines 265 273) the Hoare annotation is: false [2020-11-22 13:06:49,748 INFO L274 CegarLoopResult]: For program point L204-1(lines 204 212) no Hoare annotation was computed. [2020-11-22 13:06:49,748 INFO L274 CegarLoopResult]: For program point L204-2(lines 204 212) no Hoare annotation was computed. [2020-11-22 13:06:49,748 INFO L274 CegarLoopResult]: For program point L105(lines 105 111) no Hoare annotation was computed. [2020-11-22 13:06:49,748 INFO L270 CegarLoopResult]: At program point L105-1(lines 142 148) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:06:49,748 INFO L274 CegarLoopResult]: For program point L601(lines 601 607) no Hoare annotation was computed. [2020-11-22 13:06:49,748 INFO L274 CegarLoopResult]: For program point L601-2(lines 601 607) no Hoare annotation was computed. [2020-11-22 13:06:49,748 INFO L274 CegarLoopResult]: For program point L601-4(lines 601 607) no Hoare annotation was computed. [2020-11-22 13:06:49,748 INFO L274 CegarLoopResult]: For program point L174(lines 174 191) no Hoare annotation was computed. [2020-11-22 13:06:49,748 INFO L274 CegarLoopResult]: For program point L174-1(lines 174 191) no Hoare annotation was computed. [2020-11-22 13:06:49,749 INFO L274 CegarLoopResult]: For program point L174-2(lines 174 191) no Hoare annotation was computed. [2020-11-22 13:06:49,749 INFO L274 CegarLoopResult]: For program point L174-3(lines 174 191) no Hoare annotation was computed. [2020-11-22 13:06:49,749 INFO L274 CegarLoopResult]: For program point L174-4(lines 174 191) no Hoare annotation was computed. [2020-11-22 13:06:49,749 INFO L274 CegarLoopResult]: For program point L174-5(lines 174 191) no Hoare annotation was computed. [2020-11-22 13:06:49,749 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:06:49,749 INFO L270 CegarLoopResult]: At program point L142(lines 141 160) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:06:49,749 INFO L274 CegarLoopResult]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2020-11-22 13:06:49,749 INFO L270 CegarLoopResult]: At program point L142-2(lines 141 160) the Hoare annotation is: false [2020-11-22 13:06:49,750 INFO L270 CegarLoopResult]: At program point L142-3(lines 141 160) the Hoare annotation is: false [2020-11-22 13:06:49,750 INFO L274 CegarLoopResult]: For program point L440(lines 440 447) no Hoare annotation was computed. [2020-11-22 13:06:49,750 INFO L277 CegarLoopResult]: At program point L440-1(lines 440 447) the Hoare annotation is: true [2020-11-22 13:06:49,750 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-11-22 13:06:49,750 INFO L270 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:06:49,750 INFO L270 CegarLoopResult]: At program point L574(lines 569 577) the Hoare annotation is: false [2020-11-22 13:06:49,750 INFO L270 CegarLoopResult]: At program point L574-1(lines 569 577) the Hoare annotation is: false [2020-11-22 13:06:49,750 INFO L274 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-11-22 13:06:49,750 INFO L270 CegarLoopResult]: At program point L574-2(lines 569 577) the Hoare annotation is: false [2020-11-22 13:06:49,750 INFO L270 CegarLoopResult]: At program point L574-3(lines 569 577) the Hoare annotation is: false [2020-11-22 13:06:49,751 INFO L270 CegarLoopResult]: At program point L574-4(lines 569 577) the Hoare annotation is: false [2020-11-22 13:06:49,751 INFO L270 CegarLoopResult]: At program point L574-5(lines 569 577) the Hoare annotation is: false [2020-11-22 13:06:49,751 INFO L274 CegarLoopResult]: For program point L178(lines 178 186) no Hoare annotation was computed. [2020-11-22 13:06:49,751 INFO L274 CegarLoopResult]: For program point L178-1(lines 178 186) no Hoare annotation was computed. [2020-11-22 13:06:49,751 INFO L274 CegarLoopResult]: For program point L178-2(lines 178 186) no Hoare annotation was computed. [2020-11-22 13:06:49,751 INFO L274 CegarLoopResult]: For program point L178-3(lines 178 186) no Hoare annotation was computed. [2020-11-22 13:06:49,751 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-22 13:06:49,754 INFO L274 CegarLoopResult]: For program point L178-4(lines 178 186) no Hoare annotation was computed. [2020-11-22 13:06:49,754 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-22 13:06:49,754 INFO L274 CegarLoopResult]: For program point L178-5(lines 178 186) no Hoare annotation was computed. [2020-11-22 13:06:49,755 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-22 13:06:49,755 INFO L270 CegarLoopResult]: At program point L476(lines 1 982) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:06:49,756 INFO L270 CegarLoopResult]: At program point L412(lines 408 414) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:06:49,756 INFO L270 CegarLoopResult]: At program point L149(lines 149 155) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:06:49,756 INFO L270 CegarLoopResult]: At program point L149-1(lines 149 155) the Hoare annotation is: false [2020-11-22 13:06:49,756 INFO L270 CegarLoopResult]: At program point L149-2(lines 149 155) the Hoare annotation is: false [2020-11-22 13:06:49,757 INFO L270 CegarLoopResult]: At program point L117(lines 66 118) the Hoare annotation is: false [2020-11-22 13:06:49,757 INFO L277 CegarLoopResult]: At program point L449(lines 430 452) the Hoare annotation is: true [2020-11-22 13:06:49,757 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:06:49,757 INFO L274 CegarLoopResult]: For program point L87(lines 87 93) no Hoare annotation was computed. [2020-11-22 13:06:49,757 INFO L270 CegarLoopResult]: At program point L87-1(lines 87 93) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:06:49,757 INFO L270 CegarLoopResult]: At program point L484(lines 479 487) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:06:49,758 INFO L274 CegarLoopResult]: For program point L319(lines 319 323) no Hoare annotation was computed. [2020-11-22 13:06:49,758 INFO L274 CegarLoopResult]: For program point L319-2(lines 319 323) no Hoare annotation was computed. [2020-11-22 13:06:49,758 INFO L274 CegarLoopResult]: For program point L319-3(lines 319 323) no Hoare annotation was computed. [2020-11-22 13:06:49,758 INFO L274 CegarLoopResult]: For program point L319-5(lines 319 323) no Hoare annotation was computed. [2020-11-22 13:06:49,758 INFO L274 CegarLoopResult]: For program point L319-6(lines 319 323) no Hoare annotation was computed. [2020-11-22 13:06:49,758 INFO L274 CegarLoopResult]: For program point L319-8(lines 319 323) no Hoare annotation was computed. [2020-11-22 13:06:49,759 INFO L274 CegarLoopResult]: For program point L319-9(lines 319 323) no Hoare annotation was computed. [2020-11-22 13:06:49,760 INFO L274 CegarLoopResult]: For program point L319-11(lines 319 323) no Hoare annotation was computed. [2020-11-22 13:06:49,761 INFO L274 CegarLoopResult]: For program point L319-12(lines 319 323) no Hoare annotation was computed. [2020-11-22 13:06:49,761 INFO L274 CegarLoopResult]: For program point L319-14(lines 319 323) no Hoare annotation was computed. [2020-11-22 13:06:49,761 INFO L274 CegarLoopResult]: For program point L319-15(lines 319 323) no Hoare annotation was computed. [2020-11-22 13:06:49,761 INFO L274 CegarLoopResult]: For program point L319-17(lines 319 323) no Hoare annotation was computed. [2020-11-22 13:06:49,761 INFO L270 CegarLoopResult]: At program point L585(lines 580 587) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:06:49,761 INFO L274 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-11-22 13:06:49,762 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:06:49,762 INFO L270 CegarLoopResult]: At program point L325(lines 310 328) the Hoare annotation is: false [2020-11-22 13:06:49,762 INFO L270 CegarLoopResult]: At program point L325-1(lines 310 328) the Hoare annotation is: false [2020-11-22 13:06:49,762 INFO L270 CegarLoopResult]: At program point L325-2(lines 310 328) the Hoare annotation is: false [2020-11-22 13:06:49,762 INFO L270 CegarLoopResult]: At program point L325-3(lines 310 328) the Hoare annotation is: false [2020-11-22 13:06:49,762 INFO L270 CegarLoopResult]: At program point L325-4(lines 310 328) the Hoare annotation is: false [2020-11-22 13:06:49,763 INFO L270 CegarLoopResult]: At program point L325-5(lines 310 328) the Hoare annotation is: false [2020-11-22 13:06:49,763 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:06:49,763 INFO L270 CegarLoopResult]: At program point L261(lines 254 264) the Hoare annotation is: false [2020-11-22 13:06:49,763 INFO L270 CegarLoopResult]: At program point L261-1(lines 254 264) the Hoare annotation is: false [2020-11-22 13:06:49,763 INFO L270 CegarLoopResult]: At program point L261-2(lines 254 264) the Hoare annotation is: false [2020-11-22 13:06:49,763 INFO L274 CegarLoopResult]: For program point L97(lines 97 112) no Hoare annotation was computed. [2020-11-22 13:06:49,764 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:06:49,764 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:06:49,764 INFO L274 CegarLoopResult]: For program point L496(lines 496 500) no Hoare annotation was computed. [2020-11-22 13:06:49,764 INFO L274 CegarLoopResult]: For program point L496-3(lines 496 500) no Hoare annotation was computed. [2020-11-22 13:06:49,764 INFO L274 CegarLoopResult]: For program point L496-6(lines 496 500) no Hoare annotation was computed. [2020-11-22 13:06:49,764 INFO L270 CegarLoopResult]: At program point L364-2(lines 364 378) the Hoare annotation is: false [2020-11-22 13:06:49,765 INFO L274 CegarLoopResult]: For program point L596(lines 596 613) no Hoare annotation was computed. [2020-11-22 13:06:49,765 INFO L270 CegarLoopResult]: At program point L596-1(lines 1 982) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:06:49,765 INFO L274 CegarLoopResult]: For program point L596-2(lines 596 613) no Hoare annotation was computed. [2020-11-22 13:06:49,766 INFO L270 CegarLoopResult]: At program point L596-3(lines 1 982) the Hoare annotation is: false [2020-11-22 13:06:49,766 INFO L274 CegarLoopResult]: For program point L596-4(lines 596 613) no Hoare annotation was computed. [2020-11-22 13:06:49,766 INFO L270 CegarLoopResult]: At program point L596-5(lines 1 982) the Hoare annotation is: false [2020-11-22 13:06:49,766 INFO L274 CegarLoopResult]: For program point L365(line 365) no Hoare annotation was computed. [2020-11-22 13:06:49,766 INFO L274 CegarLoopResult]: For program point L200(lines 200 217) no Hoare annotation was computed. [2020-11-22 13:06:49,766 INFO L274 CegarLoopResult]: For program point L200-1(lines 200 217) no Hoare annotation was computed. [2020-11-22 13:06:49,767 INFO L274 CegarLoopResult]: For program point L200-2(lines 200 217) no Hoare annotation was computed. [2020-11-22 13:06:49,767 INFO L274 CegarLoopResult]: For program point L68(lines 67 116) no Hoare annotation was computed. [2020-11-22 13:06:49,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:06:49 BoogieIcfgContainer [2020-11-22 13:06:49,803 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:06:49,803 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:06:49,804 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:06:49,804 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:06:49,805 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:06:46" (3/4) ... [2020-11-22 13:06:49,808 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:06:49,835 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:06:49,836 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:06:49,837 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:06:49,839 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:06:49,841 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:06:49,842 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:06:49,855 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:06:49,889 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 13:06:49,973 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0faa6430-1c4d-419a-a781-45053b6a082e/bin/utaipan/witness.graphml [2020-11-22 13:06:49,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:06:49,975 INFO L168 Benchmark]: Toolchain (without parser) took 7228.56 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 37.8 MB in the beginning and 47.9 MB in the end (delta: -10.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:49,976 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 60.8 MB. Free memory was 41.9 MB in the beginning and 41.8 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:06:49,976 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.92 ms. Allocated memory is still 60.8 MB. Free memory was 37.7 MB in the beginning and 38.8 MB in the end (delta: -1.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:49,977 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.29 ms. Allocated memory is still 60.8 MB. Free memory was 38.8 MB in the beginning and 35.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:49,977 INFO L168 Benchmark]: Boogie Preprocessor took 85.79 ms. Allocated memory is still 60.8 MB. Free memory was 35.1 MB in the beginning and 32.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:49,977 INFO L168 Benchmark]: RCFGBuilder took 2481.14 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 32.3 MB in the beginning and 41.6 MB in the end (delta: -9.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:49,978 INFO L168 Benchmark]: TraceAbstraction took 3762.12 ms. Allocated memory is still 77.6 MB. Free memory was 41.1 MB in the beginning and 25.8 MB in the end (delta: 15.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:49,978 INFO L168 Benchmark]: Witness Printer took 170.15 ms. Allocated memory is still 77.6 MB. Free memory was 25.8 MB in the beginning and 47.9 MB in the end (delta: -22.1 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:49,980 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 60.8 MB. Free memory was 41.9 MB in the beginning and 41.8 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 608.92 ms. Allocated memory is still 60.8 MB. Free memory was 37.7 MB in the beginning and 38.8 MB in the end (delta: -1.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.29 ms. Allocated memory is still 60.8 MB. Free memory was 38.8 MB in the beginning and 35.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.79 ms. Allocated memory is still 60.8 MB. Free memory was 35.1 MB in the beginning and 32.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2481.14 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 32.3 MB in the beginning and 41.6 MB in the end (delta: -9.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3762.12 ms. Allocated memory is still 77.6 MB. Free memory was 41.1 MB in the beginning and 25.8 MB in the end (delta: 15.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. * Witness Printer took 170.15 ms. Allocated memory is still 77.6 MB. Free memory was 25.8 MB in the beginning and 47.9 MB in the end (delta: -22.1 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 451 SDtfs, 495 SDslu, 523 SDs, 0 SdLazy, 73 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 179 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 131 NumberOfFragments, 146 HoareAnnotationTreeSize, 45 FomulaSimplifications, 4062 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 8284 SizeOfPredicates, 8 NumberOfNonLiveVariables, 993 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...