./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f109400e8916ff9eba13533e7575144e5f0c1404 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f109400e8916ff9eba13533e7575144e5f0c1404 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:15:55,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:15:55,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:15:55,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:15:55,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:15:55,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:15:55,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:15:55,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:15:55,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:15:55,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:15:55,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:15:55,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:15:55,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:15:55,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:15:55,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:15:55,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:15:55,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:15:55,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:15:55,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:15:55,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:15:55,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:15:55,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:15:55,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:15:55,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:15:55,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:15:55,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:15:55,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:15:55,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:15:55,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:15:55,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:15:55,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:15:55,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:15:55,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:15:55,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:15:55,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:15:55,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:15:55,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:15:55,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:15:55,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:15:55,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:15:55,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:15:55,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:15:55,510 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:15:55,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:15:55,515 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:15:55,515 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:15:55,515 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:15:55,515 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:15:55,516 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:15:55,516 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:15:55,516 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:15:55,516 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:15:55,524 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:15:55,525 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:15:55,525 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:15:55,525 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:15:55,525 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:15:55,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:15:55,526 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:15:55,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:15:55,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:15:55,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:15:55,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:15:55,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:15:55,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:15:55,528 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:15:55,529 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:15:55,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:15:55,529 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:15:55,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:15:55,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:15:55,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:15:55,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:15:55,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:15:55,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:15:55,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:15:55,531 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:15:55,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:15:55,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:15:55,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:15:55,532 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:15:55,533 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f109400e8916ff9eba13533e7575144e5f0c1404 [2021-10-13 07:15:55,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:15:55,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:15:55,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:15:55,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:15:55,854 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:15:55,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2021-10-13 07:15:55,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/data/1594a0b51/2c41aa1e830c4695abf8542b10a4fbea/FLAG45f04df9f [2021-10-13 07:15:56,470 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:15:56,471 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2021-10-13 07:15:56,489 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/data/1594a0b51/2c41aa1e830c4695abf8542b10a4fbea/FLAG45f04df9f [2021-10-13 07:15:56,801 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/data/1594a0b51/2c41aa1e830c4695abf8542b10a4fbea [2021-10-13 07:15:56,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:15:56,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:15:56,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:15:56,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:15:56,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:15:56,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:15:56" (1/1) ... [2021-10-13 07:15:56,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24f0131e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:56, skipping insertion in model container [2021-10-13 07:15:56,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:15:56" (1/1) ... [2021-10-13 07:15:56,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:15:56,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:15:57,092 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c[6078,6091] [2021-10-13 07:15:57,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:15:57,170 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 07:15:57,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ca0bd39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:57, skipping insertion in model container [2021-10-13 07:15:57,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:15:57,171 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:15:57,173 INFO L168 Benchmark]: Toolchain (without parser) took 367.08 ms. Allocated memory is still 113.2 MB. Free memory was 83.9 MB in the beginning and 85.5 MB in the end (delta: -1.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:15:57,174 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 113.2 MB. Free memory is still 66.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:15:57,175 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.45 ms. Allocated memory is still 113.2 MB. Free memory was 83.9 MB in the beginning and 85.5 MB in the end (delta: -1.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:15:57,181 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 113.2 MB. Free memory is still 66.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 364.45 ms. Allocated memory is still 113.2 MB. Free memory was 83.9 MB in the beginning and 85.5 MB in the end (delta: -1.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 437]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:15:59,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:15:59,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:15:59,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:15:59,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:15:59,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:15:59,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:15:59,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:15:59,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:15:59,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:15:59,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:15:59,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:15:59,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:15:59,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:15:59,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:15:59,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:15:59,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:15:59,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:15:59,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:15:59,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:15:59,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:15:59,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:15:59,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:15:59,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:15:59,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:15:59,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:15:59,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:15:59,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:15:59,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:15:59,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:15:59,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:15:59,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:15:59,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:15:59,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:15:59,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:15:59,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:15:59,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:15:59,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:15:59,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:15:59,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:15:59,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:15:59,689 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:15:59,712 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:15:59,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:15:59,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:15:59,714 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:15:59,714 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:15:59,715 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:15:59,715 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:15:59,715 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:15:59,715 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:15:59,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:15:59,716 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:15:59,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:15:59,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:15:59,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:15:59,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:15:59,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:15:59,718 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:15:59,718 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:15:59,718 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:15:59,719 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:15:59,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:15:59,719 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:15:59,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:15:59,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:15:59,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:15:59,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:15:59,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:15:59,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:15:59,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:15:59,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:15:59,721 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:15:59,722 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:15:59,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:15:59,722 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:15:59,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:15:59,723 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f109400e8916ff9eba13533e7575144e5f0c1404 [2021-10-13 07:16:00,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:16:00,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:16:00,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:16:00,146 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:16:00,152 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:16:00,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2021-10-13 07:16:00,227 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/data/a0f8539eb/03586abdced4437692fb9cdfbdd7fe0e/FLAGf144cf824 [2021-10-13 07:16:00,752 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:16:00,752 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2021-10-13 07:16:00,780 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/data/a0f8539eb/03586abdced4437692fb9cdfbdd7fe0e/FLAGf144cf824 [2021-10-13 07:16:01,088 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/data/a0f8539eb/03586abdced4437692fb9cdfbdd7fe0e [2021-10-13 07:16:01,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:16:01,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:16:01,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:16:01,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:16:01,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:16:01,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:16:01" (1/1) ... [2021-10-13 07:16:01,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@757ff71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:01, skipping insertion in model container [2021-10-13 07:16:01,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:16:01" (1/1) ... [2021-10-13 07:16:01,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:16:01,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:16:01,516 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c[6078,6091] [2021-10-13 07:16:01,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:16:01,615 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:16:01,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:16:01,656 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c[6078,6091] [2021-10-13 07:16:01,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:16:01,705 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:16:01,765 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c[6078,6091] [2021-10-13 07:16:01,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:16:01,830 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:16:01,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:01 WrapperNode [2021-10-13 07:16:01,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:16:01,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:16:01,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:16:01,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:16:01,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:01" (1/1) ... [2021-10-13 07:16:01,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:01" (1/1) ... [2021-10-13 07:16:01,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:16:01,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:16:01,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:16:01,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:16:01,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:01" (1/1) ... [2021-10-13 07:16:01,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:01" (1/1) ... [2021-10-13 07:16:01,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:01" (1/1) ... [2021-10-13 07:16:01,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:01" (1/1) ... [2021-10-13 07:16:01,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:01" (1/1) ... [2021-10-13 07:16:01,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:01" (1/1) ... [2021-10-13 07:16:02,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:01" (1/1) ... [2021-10-13 07:16:02,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:16:02,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:16:02,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:16:02,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:16:02,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:01" (1/1) ... [2021-10-13 07:16:02,063 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:16:02,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:16:02,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:16:02,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:16:02,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:16:02,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:16:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:16:02,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:16:04,216 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:16:04,217 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-13 07:16:04,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:16:04 BoogieIcfgContainer [2021-10-13 07:16:04,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:16:04,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:16:04,221 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:16:04,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:16:04,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:16:01" (1/3) ... [2021-10-13 07:16:04,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cdef997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:16:04, skipping insertion in model container [2021-10-13 07:16:04,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:01" (2/3) ... [2021-10-13 07:16:04,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cdef997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:16:04, skipping insertion in model container [2021-10-13 07:16:04,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:16:04" (3/3) ... [2021-10-13 07:16:04,228 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2021-10-13 07:16:04,234 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:16:04,234 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 07:16:04,284 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:16:04,291 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:16:04,291 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 07:16:04,307 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 75 states have (on average 1.5733333333333333) internal successors, (118), 78 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:04,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 07:16:04,314 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:16:04,314 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:16:04,315 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:16:04,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:16:04,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1001432226, now seen corresponding path program 1 times [2021-10-13 07:16:04,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:16:04,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2084317848] [2021-10-13 07:16:04,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:16:04,344 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:16:04,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:16:04,353 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:16:04,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:16:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:16:04,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:16:04,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:16:04,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:16:04,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:16:04,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:16:04,797 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:16:04,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2084317848] [2021-10-13 07:16:04,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2084317848] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:16:04,798 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:16:04,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:16:04,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74581339] [2021-10-13 07:16:04,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:16:04,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:16:04,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:16:04,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:16:04,833 INFO L87 Difference]: Start difference. First operand has 79 states, 75 states have (on average 1.5733333333333333) internal successors, (118), 78 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:04,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:16:04,867 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2021-10-13 07:16:04,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:16:04,868 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-13 07:16:04,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:16:04,878 INFO L225 Difference]: With dead ends: 151 [2021-10-13 07:16:04,878 INFO L226 Difference]: Without dead ends: 75 [2021-10-13 07:16:04,881 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:16:04,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-13 07:16:04,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-13 07:16:04,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 72 states have (on average 1.4722222222222223) internal successors, (106), 74 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:04,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2021-10-13 07:16:04,920 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2021-10-13 07:16:04,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:16:04,921 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2021-10-13 07:16:04,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:04,921 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2021-10-13 07:16:04,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 07:16:04,923 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:16:04,923 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:16:04,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:16:05,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:16:05,140 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:16:05,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:16:05,143 INFO L82 PathProgramCache]: Analyzing trace with hash -434799197, now seen corresponding path program 1 times [2021-10-13 07:16:05,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:16:05,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384073189] [2021-10-13 07:16:05,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:16:05,144 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:16:05,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:16:05,146 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:16:05,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:16:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:16:05,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:16:05,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:16:05,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:16:05,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:16:05,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:16:05,496 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:16:05,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1384073189] [2021-10-13 07:16:05,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1384073189] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:16:05,497 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:16:05,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:16:05,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21034746] [2021-10-13 07:16:05,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:16:05,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:16:05,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:16:05,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:16:05,505 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:05,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:16:05,533 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2021-10-13 07:16:05,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:16:05,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-13 07:16:05,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:16:05,536 INFO L225 Difference]: With dead ends: 75 [2021-10-13 07:16:05,536 INFO L226 Difference]: Without dead ends: 35 [2021-10-13 07:16:05,537 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:16:05,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-13 07:16:05,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-13 07:16:05,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:05,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-13 07:16:05,552 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-13 07:16:05,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:16:05,552 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-13 07:16:05,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:05,553 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-13 07:16:05,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 07:16:05,555 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:16:05,558 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:16:05,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:16:05,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:16:05,772 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:16:05,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:16:05,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1568486346, now seen corresponding path program 1 times [2021-10-13 07:16:05,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:16:05,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [607681731] [2021-10-13 07:16:05,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:16:05,774 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:16:05,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:16:05,775 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:16:05,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:16:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:16:05,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:16:05,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:16:06,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:16:06,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:16:06,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:16:06,198 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:16:06,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [607681731] [2021-10-13 07:16:06,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [607681731] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:16:06,199 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:16:06,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:16:06,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347475094] [2021-10-13 07:16:06,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:16:06,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:16:06,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:16:06,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:16:06,204 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:06,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:16:06,224 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2021-10-13 07:16:06,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:16:06,224 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 07:16:06,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:16:06,225 INFO L225 Difference]: With dead ends: 63 [2021-10-13 07:16:06,226 INFO L226 Difference]: Without dead ends: 35 [2021-10-13 07:16:06,227 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:16:06,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-13 07:16:06,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-13 07:16:06,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.411764705882353) internal successors, (48), 34 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:06,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2021-10-13 07:16:06,239 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2021-10-13 07:16:06,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:16:06,240 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2021-10-13 07:16:06,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:06,241 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2021-10-13 07:16:06,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 07:16:06,243 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:16:06,243 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:16:06,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:16:06,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:16:06,458 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:16:06,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:16:06,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1679469095, now seen corresponding path program 1 times [2021-10-13 07:16:06,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:16:06,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1542559542] [2021-10-13 07:16:06,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:16:06,460 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:16:06,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:16:06,466 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:16:06,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:16:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:16:06,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:16:06,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:16:06,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:16:06,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:16:06,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:16:06,886 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:16:06,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1542559542] [2021-10-13 07:16:06,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1542559542] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:16:06,887 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:16:06,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 07:16:06,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550128373] [2021-10-13 07:16:06,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:16:06,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:16:06,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:16:06,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:16:06,890 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:06,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:16:06,972 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2021-10-13 07:16:06,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 07:16:06,972 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 07:16:06,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:16:06,974 INFO L225 Difference]: With dead ends: 154 [2021-10-13 07:16:06,974 INFO L226 Difference]: Without dead ends: 126 [2021-10-13 07:16:06,975 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 46.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:16:06,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-10-13 07:16:06,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2021-10-13 07:16:06,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 57 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:06,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2021-10-13 07:16:06,985 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2021-10-13 07:16:06,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:16:06,986 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2021-10-13 07:16:06,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:06,986 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2021-10-13 07:16:06,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 07:16:06,987 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:16:06,987 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:16:07,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:16:07,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:16:07,200 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:16:07,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:16:07,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1573698991, now seen corresponding path program 1 times [2021-10-13 07:16:07,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:16:07,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1524029329] [2021-10-13 07:16:07,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:16:07,202 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:16:07,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:16:07,203 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:16:07,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:16:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:16:07,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:16:07,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:16:07,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:16:07,512 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:16:07,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:16:07,584 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:16:07,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1524029329] [2021-10-13 07:16:07,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1524029329] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:16:07,588 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:16:07,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:16:07,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132107342] [2021-10-13 07:16:07,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:16:07,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:16:07,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:16:07,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:16:07,591 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:07,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:16:07,692 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2021-10-13 07:16:07,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:16:07,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 07:16:07,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:16:07,694 INFO L225 Difference]: With dead ends: 150 [2021-10-13 07:16:07,694 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:16:07,695 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:16:07,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:16:07,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:16:07,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:07,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:16:07,696 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-13 07:16:07,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:16:07,696 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:16:07,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:07,697 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:16:07,697 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:16:07,699 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:16:07,700 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:16:07,700 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:16:07,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:16:07,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:16:07,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:16:07,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:07,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:07,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:07,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:07,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:07,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:07,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:07,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:07,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:07,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:07,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:07,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:07,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:08,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:08,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:08,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:08,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:08,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:08,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:08,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:08,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:08,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:08,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:08,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:08,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:08,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:08,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:08,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:08,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:08,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:08,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:08,228 INFO L853 garLoopResultBuilder]: At program point L217(lines 216 235) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:16:08,229 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 404) no Hoare annotation was computed. [2021-10-13 07:16:08,229 INFO L857 garLoopResultBuilder]: For program point L217-1(lines 217 223) no Hoare annotation was computed. [2021-10-13 07:16:08,229 INFO L857 garLoopResultBuilder]: For program point L151(lines 150 195) no Hoare annotation was computed. [2021-10-13 07:16:08,229 INFO L853 garLoopResultBuilder]: At program point L217-2(lines 216 235) the Hoare annotation is: false [2021-10-13 07:16:08,229 INFO L853 garLoopResultBuilder]: At program point L217-3(lines 216 235) the Hoare annotation is: false [2021-10-13 07:16:08,230 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:16:08,230 INFO L857 garLoopResultBuilder]: For program point L829(lines 829 833) no Hoare annotation was computed. [2021-10-13 07:16:08,230 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 806) no Hoare annotation was computed. [2021-10-13 07:16:08,230 INFO L857 garLoopResultBuilder]: For program point L829-1(lines 217 223) no Hoare annotation was computed. [2021-10-13 07:16:08,230 INFO L857 garLoopResultBuilder]: For program point L796-2(lines 796 806) no Hoare annotation was computed. [2021-10-13 07:16:08,230 INFO L857 garLoopResultBuilder]: For program point L152(lines 152 156) no Hoare annotation was computed. [2021-10-13 07:16:08,230 INFO L857 garLoopResultBuilder]: For program point L796-4(lines 796 806) no Hoare annotation was computed. [2021-10-13 07:16:08,230 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2021-10-13 07:16:08,231 INFO L857 garLoopResultBuilder]: For program point L351-2(lines 351 355) no Hoare annotation was computed. [2021-10-13 07:16:08,231 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 803) no Hoare annotation was computed. [2021-10-13 07:16:08,231 INFO L857 garLoopResultBuilder]: For program point L351-3(lines 351 355) no Hoare annotation was computed. [2021-10-13 07:16:08,231 INFO L857 garLoopResultBuilder]: For program point L797-2(lines 797 803) no Hoare annotation was computed. [2021-10-13 07:16:08,231 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 190) no Hoare annotation was computed. [2021-10-13 07:16:08,231 INFO L857 garLoopResultBuilder]: For program point L351-5(lines 351 355) no Hoare annotation was computed. [2021-10-13 07:16:08,231 INFO L857 garLoopResultBuilder]: For program point L351-6(lines 351 355) no Hoare annotation was computed. [2021-10-13 07:16:08,231 INFO L857 garLoopResultBuilder]: For program point L797-4(lines 797 803) no Hoare annotation was computed. [2021-10-13 07:16:08,232 INFO L857 garLoopResultBuilder]: For program point L186-2(lines 217 223) no Hoare annotation was computed. [2021-10-13 07:16:08,232 INFO L857 garLoopResultBuilder]: For program point L351-8(lines 351 355) no Hoare annotation was computed. [2021-10-13 07:16:08,232 INFO L853 garLoopResultBuilder]: At program point L302(lines 297 305) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:16:08,232 INFO L853 garLoopResultBuilder]: At program point L781(lines 776 783) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:16:08,232 INFO L853 garLoopResultBuilder]: At program point L302-1(lines 297 305) the Hoare annotation is: false [2021-10-13 07:16:08,232 INFO L853 garLoopResultBuilder]: At program point L302-2(lines 297 305) the Hoare annotation is: false [2021-10-13 07:16:08,232 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 176) no Hoare annotation was computed. [2021-10-13 07:16:08,233 INFO L853 garLoopResultBuilder]: At program point L170-1(lines 170 176) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:16:08,238 INFO L857 garLoopResultBuilder]: For program point L897(lines 897 904) no Hoare annotation was computed. [2021-10-13 07:16:08,238 INFO L860 garLoopResultBuilder]: At program point L897-1(lines 897 904) the Hoare annotation is: true [2021-10-13 07:16:08,238 INFO L857 garLoopResultBuilder]: For program point L253(lines 253 261) no Hoare annotation was computed. [2021-10-13 07:16:08,238 INFO L857 garLoopResultBuilder]: For program point L253-1(lines 253 261) no Hoare annotation was computed. [2021-10-13 07:16:08,239 INFO L857 garLoopResultBuilder]: For program point L253-2(lines 253 261) no Hoare annotation was computed. [2021-10-13 07:16:08,239 INFO L857 garLoopResultBuilder]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-10-13 07:16:08,239 INFO L857 garLoopResultBuilder]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-10-13 07:16:08,239 INFO L857 garLoopResultBuilder]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-10-13 07:16:08,239 INFO L853 garLoopResultBuilder]: At program point L387(lines 1 909) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:16:08,240 INFO L857 garLoopResultBuilder]: For program point L404(line 404) no Hoare annotation was computed. [2021-10-13 07:16:08,240 INFO L857 garLoopResultBuilder]: For program point L404-1(line 404) no Hoare annotation was computed. [2021-10-13 07:16:08,240 INFO L857 garLoopResultBuilder]: For program point L404-2(line 404) no Hoare annotation was computed. [2021-10-13 07:16:08,240 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:16:08,240 INFO L853 garLoopResultBuilder]: At program point L224(lines 224 230) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:16:08,241 INFO L853 garLoopResultBuilder]: At program point L224-1(lines 224 230) the Hoare annotation is: false [2021-10-13 07:16:08,241 INFO L853 garLoopResultBuilder]: At program point L224-2(lines 224 230) the Hoare annotation is: false [2021-10-13 07:16:08,242 INFO L853 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:16:08,243 INFO L853 garLoopResultBuilder]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2021-10-13 07:16:08,243 INFO L853 garLoopResultBuilder]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2021-10-13 07:16:08,243 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 404) no Hoare annotation was computed. [2021-10-13 07:16:08,244 INFO L853 garLoopResultBuilder]: At program point L357(lines 342 360) the Hoare annotation is: false [2021-10-13 07:16:08,244 INFO L853 garLoopResultBuilder]: At program point L357-1(lines 342 360) the Hoare annotation is: false [2021-10-13 07:16:08,244 INFO L853 garLoopResultBuilder]: At program point L357-2(lines 342 360) the Hoare annotation is: false [2021-10-13 07:16:08,244 INFO L857 garLoopResultBuilder]: For program point L160(lines 160 166) no Hoare annotation was computed. [2021-10-13 07:16:08,246 INFO L853 garLoopResultBuilder]: At program point L160-1(lines 160 166) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:16:08,248 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:16:08,248 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-10-13 07:16:08,249 INFO L860 garLoopResultBuilder]: At program point L906(lines 887 909) the Hoare annotation is: true [2021-10-13 07:16:08,250 INFO L853 garLoopResultBuilder]: At program point L873(lines 869 875) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:16:08,250 INFO L853 garLoopResultBuilder]: At program point L196(lines 149 197) the Hoare annotation is: false [2021-10-13 07:16:08,250 INFO L857 garLoopResultBuilder]: For program point L180(lines 180 191) no Hoare annotation was computed. [2021-10-13 07:16:08,250 INFO L853 garLoopResultBuilder]: At program point L395(lines 390 398) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:16:08,251 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:16:08,251 INFO L857 garLoopResultBuilder]: For program point L792(lines 792 809) no Hoare annotation was computed. [2021-10-13 07:16:08,251 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 404) no Hoare annotation was computed. [2021-10-13 07:16:08,252 INFO L853 garLoopResultBuilder]: At program point L792-1(lines 1 909) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:16:08,252 INFO L853 garLoopResultBuilder]: At program point L825-2(lines 825 839) the Hoare annotation is: false [2021-10-13 07:16:08,252 INFO L857 garLoopResultBuilder]: For program point L792-2(lines 792 809) no Hoare annotation was computed. [2021-10-13 07:16:08,252 INFO L853 garLoopResultBuilder]: At program point L792-3(lines 1 909) the Hoare annotation is: false [2021-10-13 07:16:08,254 INFO L857 garLoopResultBuilder]: For program point L792-4(lines 792 809) no Hoare annotation was computed. [2021-10-13 07:16:08,254 INFO L853 garLoopResultBuilder]: At program point L792-5(lines 1 909) the Hoare annotation is: false [2021-10-13 07:16:08,255 INFO L857 garLoopResultBuilder]: For program point L826(line 826) no Hoare annotation was computed. [2021-10-13 07:16:08,256 INFO L853 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: false [2021-10-13 07:16:08,256 INFO L853 garLoopResultBuilder]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2021-10-13 07:16:08,256 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-10-13 07:16:08,256 INFO L853 garLoopResultBuilder]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2021-10-13 07:16:08,256 INFO L857 garLoopResultBuilder]: For program point L249(lines 249 266) no Hoare annotation was computed. [2021-10-13 07:16:08,257 INFO L857 garLoopResultBuilder]: For program point L249-1(lines 249 266) no Hoare annotation was computed. [2021-10-13 07:16:08,257 INFO L857 garLoopResultBuilder]: For program point L249-2(lines 249 266) no Hoare annotation was computed. [2021-10-13 07:16:08,262 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:16:08,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:16:08 BoogieIcfgContainer [2021-10-13 07:16:08,295 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:16:08,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:16:08,296 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:16:08,296 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:16:08,297 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:16:04" (3/4) ... [2021-10-13 07:16:08,300 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:16:08,324 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 07:16:08,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 07:16:08,326 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:16:08,327 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:16:08,327 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:16:08,328 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:16:08,329 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:16:08,366 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-13 07:16:08,421 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:16:08,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:16:08,423 INFO L168 Benchmark]: Toolchain (without parser) took 7323.98 ms. Allocated memory was 56.6 MB in the beginning and 92.3 MB in the end (delta: 35.7 MB). Free memory was 33.1 MB in the beginning and 52.9 MB in the end (delta: -19.8 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:16:08,424 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 56.6 MB. Free memory is still 37.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:16:08,424 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.47 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 32.9 MB in the beginning and 43.9 MB in the end (delta: -11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:16:08,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.18 ms. Allocated memory is still 75.5 MB. Free memory was 43.7 MB in the beginning and 40.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:16:08,425 INFO L168 Benchmark]: Boogie Preprocessor took 94.21 ms. Allocated memory is still 75.5 MB. Free memory was 40.9 MB in the beginning and 38.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:16:08,426 INFO L168 Benchmark]: RCFGBuilder took 2186.34 ms. Allocated memory is still 75.5 MB. Free memory was 38.5 MB in the beginning and 51.0 MB in the end (delta: -12.5 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:16:08,426 INFO L168 Benchmark]: TraceAbstraction took 4074.10 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 50.6 MB in the beginning and 59.8 MB in the end (delta: -9.2 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:16:08,426 INFO L168 Benchmark]: Witness Printer took 125.97 ms. Allocated memory is still 92.3 MB. Free memory was 59.8 MB in the beginning and 52.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:16:08,429 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 56.6 MB. Free memory is still 37.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 730.47 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 32.9 MB in the beginning and 43.9 MB in the end (delta: -11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.18 ms. Allocated memory is still 75.5 MB. Free memory was 43.7 MB in the beginning and 40.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 94.21 ms. Allocated memory is still 75.5 MB. Free memory was 40.9 MB in the beginning and 38.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2186.34 ms. Allocated memory is still 75.5 MB. Free memory was 38.5 MB in the beginning and 51.0 MB in the end (delta: -12.5 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4074.10 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 50.6 MB in the beginning and 59.8 MB in the end (delta: -9.2 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. * Witness Printer took 125.97 ms. Allocated memory is still 92.3 MB. Free memory was 59.8 MB in the beginning and 52.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 404]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 404]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 404]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 79 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3979.0ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 17.4ms, AutomataDifference: 321.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 310.5ms, InitialAbstractionConstructionTime: 11.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 328 SDtfs, 331 SDslu, 300 SDs, 0 SdLazy, 41 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 70.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 97.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 64.1ms AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1049 FormulaSimplificationTreeSizeReduction, 196.8ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 104.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 115.4ms SsaConstructionTime, 588.7ms SatisfiabilityAnalysisTime, 958.0ms InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 410 SizeOfPredicates, 7 NumberOfNonLiveVariables, 988 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:16:08,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46896beb-ef28-43a1-8f55-92c54059e44d/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...