./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw --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 f81a9f08305b957d008555f277c01d95103d8323a1ced34ab05d9bf457dca169 ............................................................................................................................................ 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_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw --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 f81a9f08305b957d008555f277c01d95103d8323a1ced34ab05d9bf457dca169 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 05:23:24,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:23:24,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:23:24,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:23:24,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:23:24,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:23:24,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:23:24,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:23:24,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:23:24,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:23:24,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:23:24,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:23:24,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:23:24,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:23:24,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:23:24,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:23:24,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:23:24,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:23:24,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:23:24,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:23:24,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:23:24,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:23:24,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:23:24,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:23:24,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:23:24,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:23:24,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:23:24,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:23:24,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:23:24,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:23:24,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:23:24,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:23:24,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:23:24,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:23:24,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:23:24,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:23:24,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:23:24,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:23:24,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:23:24,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:23:24,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:23:24,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 05:23:24,471 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:23:24,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:23:24,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:23:24,473 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:23:24,474 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:23:24,474 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:23:24,474 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 05:23:24,475 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:23:24,475 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:23:24,476 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 05:23:24,476 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 05:23:24,476 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:23:24,477 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 05:23:24,477 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 05:23:24,478 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 05:23:24,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:23:24,479 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:23:24,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:23:24,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:23:24,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:23:24,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:23:24,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:23:24,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:23:24,482 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:23:24,482 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:23:24,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:23:24,483 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:23:24,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:23:24,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:23:24,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:23:24,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:23:24,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:23:24,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:23:24,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:23:24,486 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 05:23:24,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 05:23:24,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:23:24,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:23:24,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:23:24,488 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_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81a9f08305b957d008555f277c01d95103d8323a1ced34ab05d9bf457dca169 [2021-10-20 05:23:24,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:23:24,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:23:24,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:23:24,828 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:23:24,829 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:23:24,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2021-10-20 05:23:24,913 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/data/64084b3b2/dc2ead22d06c41f6a3c4405356e4d8e6/FLAGc163b08f3 [2021-10-20 05:23:25,417 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:23:25,418 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2021-10-20 05:23:25,431 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/data/64084b3b2/dc2ead22d06c41f6a3c4405356e4d8e6/FLAGc163b08f3 [2021-10-20 05:23:25,764 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/data/64084b3b2/dc2ead22d06c41f6a3c4405356e4d8e6 [2021-10-20 05:23:25,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:23:25,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:23:25,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:23:25,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:23:25,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:23:25,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:23:25" (1/1) ... [2021-10-20 05:23:25,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad5e204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:25, skipping insertion in model container [2021-10-20 05:23:25,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:23:25" (1/1) ... [2021-10-20 05:23:25,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:23:25,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:23:26,051 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_e060f0e7-016f-4f45-b977-cf4d46b2984d/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c[3323,3336] [2021-10-20 05:23:26,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:23:26,199 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) [2021-10-20 05:23:26,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9b353df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:26, skipping insertion in model container [2021-10-20 05:23:26,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:23:26,200 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 05:23:26,202 INFO L168 Benchmark]: Toolchain (without parser) took 431.73 ms. Allocated memory is still 109.1 MB. Free memory was 72.3 MB in the beginning and 82.3 MB in the end (delta: -10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:23:26,203 INFO L168 Benchmark]: CDTParser took 0.90 ms. Allocated memory is still 109.1 MB. Free memory is still 89.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:23:26,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.62 ms. Allocated memory is still 109.1 MB. Free memory was 72.1 MB in the beginning and 82.3 MB in the end (delta: -10.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:23:26,208 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90 ms. Allocated memory is still 109.1 MB. Free memory is still 89.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 427.62 ms. Allocated memory is still 109.1 MB. Free memory was 72.1 MB in the beginning and 82.3 MB in the end (delta: -10.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 567]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 05:23:28,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:23:28,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:23:28,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:23:28,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:23:28,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:23:28,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:23:28,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:23:28,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:23:28,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:23:28,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:23:28,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:23:28,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:23:28,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:23:28,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:23:28,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:23:28,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:23:28,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:23:28,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:23:28,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:23:28,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:23:28,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:23:28,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:23:28,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:23:28,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:23:28,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:23:28,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:23:28,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:23:28,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:23:28,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:23:28,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:23:28,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:23:28,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:23:28,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:23:28,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:23:28,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:23:28,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:23:28,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:23:28,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:23:28,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:23:28,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:23:28,551 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-20 05:23:28,594 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:23:28,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:23:28,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:23:28,596 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:23:28,596 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:23:28,596 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:23:28,596 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:23:28,596 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:23:28,597 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:23:28,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:23:28,599 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:23:28,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:23:28,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:23:28,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:23:28,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:23:28,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:23:28,600 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:23:28,601 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 05:23:28,601 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 05:23:28,601 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:23:28,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:23:28,601 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:23:28,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:23:28,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:23:28,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 05:23:28,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:23:28,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:23:28,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:23:28,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:23:28,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:23:28,603 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-20 05:23:28,603 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 05:23:28,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:23:28,604 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:23:28,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:23:28,605 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_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81a9f08305b957d008555f277c01d95103d8323a1ced34ab05d9bf457dca169 [2021-10-20 05:23:29,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:23:29,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:23:29,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:23:29,061 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:23:29,062 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:23:29,063 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2021-10-20 05:23:29,145 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/data/c0676a0aa/02e5e76cb6b2402cb3c8c3e44d978a0c/FLAG3efc086ec [2021-10-20 05:23:29,714 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:23:29,717 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2021-10-20 05:23:29,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/data/c0676a0aa/02e5e76cb6b2402cb3c8c3e44d978a0c/FLAG3efc086ec [2021-10-20 05:23:30,000 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/data/c0676a0aa/02e5e76cb6b2402cb3c8c3e44d978a0c [2021-10-20 05:23:30,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:23:30,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:23:30,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:23:30,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:23:30,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:23:30,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:23:30" (1/1) ... [2021-10-20 05:23:30,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ad3a4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:30, skipping insertion in model container [2021-10-20 05:23:30,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:23:30" (1/1) ... [2021-10-20 05:23:30,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:23:30,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:23:30,367 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_e060f0e7-016f-4f45-b977-cf4d46b2984d/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c[3323,3336] [2021-10-20 05:23:30,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:23:30,556 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-20 05:23:30,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:23:30,577 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_e060f0e7-016f-4f45-b977-cf4d46b2984d/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c[3323,3336] [2021-10-20 05:23:30,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:23:30,654 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 05:23:30,672 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_e060f0e7-016f-4f45-b977-cf4d46b2984d/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c[3323,3336] [2021-10-20 05:23:30,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:23:30,763 INFO L208 MainTranslator]: Completed translation [2021-10-20 05:23:30,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:30 WrapperNode [2021-10-20 05:23:30,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:23:30,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 05:23:30,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 05:23:30,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 05:23:30,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:30" (1/1) ... [2021-10-20 05:23:30,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:30" (1/1) ... [2021-10-20 05:23:30,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 05:23:30,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 05:23:30,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 05:23:30,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 05:23:30,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:30" (1/1) ... [2021-10-20 05:23:30,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:30" (1/1) ... [2021-10-20 05:23:30,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:30" (1/1) ... [2021-10-20 05:23:30,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:30" (1/1) ... [2021-10-20 05:23:30,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:30" (1/1) ... [2021-10-20 05:23:30,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:30" (1/1) ... [2021-10-20 05:23:30,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:30" (1/1) ... [2021-10-20 05:23:30,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 05:23:30,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 05:23:30,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 05:23:30,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 05:23:30,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:30" (1/1) ... [2021-10-20 05:23:30,916 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:23:30,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:23:30,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 05:23:30,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 05:23:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 05:23:31,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-20 05:23:31,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 05:23:31,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 05:23:33,374 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 05:23:33,374 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2021-10-20 05:23:33,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:23:33 BoogieIcfgContainer [2021-10-20 05:23:33,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 05:23:33,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 05:23:33,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 05:23:33,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 05:23:33,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:23:30" (1/3) ... [2021-10-20 05:23:33,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c58353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:23:33, skipping insertion in model container [2021-10-20 05:23:33,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:30" (2/3) ... [2021-10-20 05:23:33,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c58353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:23:33, skipping insertion in model container [2021-10-20 05:23:33,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:23:33" (3/3) ... [2021-10-20 05:23:33,385 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2021-10-20 05:23:33,390 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 05:23:33,390 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-20 05:23:33,437 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 05:23:33,443 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-20 05:23:33,444 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-20 05:23:33,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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) [2021-10-20 05:23:33,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-20 05:23:33,478 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:23:33,478 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:23:33,479 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:23:33,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:23:33,487 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2021-10-20 05:23:33,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:23:33,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682334996] [2021-10-20 05:23:33,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:23:33,499 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:23:33,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:23:33,500 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:23:33,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-20 05:23:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:23:33,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-20 05:23:33,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:23:33,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:33,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:23:33,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:33,897 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:23:33,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682334996] [2021-10-20 05:23:33,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [682334996] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:23:33,898 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:23:33,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-20 05:23:33,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792587574] [2021-10-20 05:23:33,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-20 05:23:33,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:23:33,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-20 05:23:33,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 05:23:33,925 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-20 05:23:33,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:23:33,956 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-10-20 05:23:33,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 05:23:33,958 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-10-20 05:23:33,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:23:33,967 INFO L225 Difference]: With dead ends: 144 [2021-10-20 05:23:33,968 INFO L226 Difference]: Without dead ends: 71 [2021-10-20 05:23:33,970 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 05:23:33,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-20 05:23:34,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-20 05:23:34,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 68 states have (on average 1.4558823529411764) internal successors, (99), 70 states have internal predecessors, (99), 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) [2021-10-20 05:23:34,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-20 05:23:34,008 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-10-20 05:23:34,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:23:34,009 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-20 05:23:34,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-20 05:23:34,009 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-20 05:23:34,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-20 05:23:34,010 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:23:34,011 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:23:34,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-20 05:23:34,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:23:34,226 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:23:34,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:23:34,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2021-10-20 05:23:34,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:23:34,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1637536853] [2021-10-20 05:23:34,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:23:34,229 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:23:34,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:23:34,230 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:23:34,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-20 05:23:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:23:34,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:23:34,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:23:34,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:34,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:23:34,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:34,510 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:23:34,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1637536853] [2021-10-20 05:23:34,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1637536853] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:23:34,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:23:34,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-20 05:23:34,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818698340] [2021-10-20 05:23:34,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 05:23:34,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:23:34,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 05:23:34,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:23:34,514 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-10-20 05:23:34,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:23:34,527 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-10-20 05:23:34,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:23:34,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 17 [2021-10-20 05:23:34,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:23:34,529 INFO L225 Difference]: With dead ends: 71 [2021-10-20 05:23:34,529 INFO L226 Difference]: Without dead ends: 33 [2021-10-20 05:23:34,530 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:23:34,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-20 05:23:34,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-20 05:23:34,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 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) [2021-10-20 05:23:34,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-20 05:23:34,535 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-20 05:23:34,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:23:34,536 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-20 05:23:34,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-10-20 05:23:34,536 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-20 05:23:34,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-20 05:23:34,537 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:23:34,538 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] [2021-10-20 05:23:34,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-20 05:23:34,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:23:34,749 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:23:34,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:23:34,750 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2021-10-20 05:23:34,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:23:34,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1965344342] [2021-10-20 05:23:34,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:23:34,752 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:23:34,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:23:34,753 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:23:34,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-20 05:23:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:23:34,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:23:34,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:23:35,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:35,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:23:35,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:35,179 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:23:35,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1965344342] [2021-10-20 05:23:35,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1965344342] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:23:35,180 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:23:35,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-20 05:23:35,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708111540] [2021-10-20 05:23:35,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 05:23:35,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:23:35,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 05:23:35,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:23:35,187 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-10-20 05:23:35,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:23:35,209 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-10-20 05:23:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:23:35,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 22 [2021-10-20 05:23:35,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:23:35,210 INFO L225 Difference]: With dead ends: 60 [2021-10-20 05:23:35,211 INFO L226 Difference]: Without dead ends: 33 [2021-10-20 05:23:35,212 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:23:35,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-20 05:23:35,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-20 05:23:35,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:23:35,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-20 05:23:35,226 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-10-20 05:23:35,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:23:35,227 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-20 05:23:35,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-10-20 05:23:35,228 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-20 05:23:35,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-20 05:23:35,229 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:23:35,229 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] [2021-10-20 05:23:35,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-20 05:23:35,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:23:35,446 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:23:35,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:23:35,447 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2021-10-20 05:23:35,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:23:35,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [133824888] [2021-10-20 05:23:35,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:23:35,448 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:23:35,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:23:35,450 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:23:35,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-20 05:23:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:23:35,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 05:23:35,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:23:35,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:35,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:23:35,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:35,911 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:23:35,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [133824888] [2021-10-20 05:23:35,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [133824888] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:23:35,913 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:23:35,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-20 05:23:35,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939017229] [2021-10-20 05:23:35,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-20 05:23:35,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:23:35,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-20 05:23:35,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-20 05:23:35,917 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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) [2021-10-20 05:23:36,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:23:36,176 INFO L93 Difference]: Finished difference Result 220 states and 329 transitions. [2021-10-20 05:23:36,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-20 05:23:36,176 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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 23 [2021-10-20 05:23:36,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:23:36,178 INFO L225 Difference]: With dead ends: 220 [2021-10-20 05:23:36,179 INFO L226 Difference]: Without dead ends: 193 [2021-10-20 05:23:36,179 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 125.0ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-20 05:23:36,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-10-20 05:23:36,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 78. [2021-10-20 05:23:36,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 77 states have internal predecessors, (109), 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) [2021-10-20 05:23:36,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2021-10-20 05:23:36,200 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2021-10-20 05:23:36,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:23:36,200 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2021-10-20 05:23:36,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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) [2021-10-20 05:23:36,201 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2021-10-20 05:23:36,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-20 05:23:36,204 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:23:36,204 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] [2021-10-20 05:23:36,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-20 05:23:36,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:23:36,420 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:23:36,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:23:36,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1283837447, now seen corresponding path program 1 times [2021-10-20 05:23:36,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:23:36,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267101488] [2021-10-20 05:23:36,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:23:36,422 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:23:36,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:23:36,423 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:23:36,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-20 05:23:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:23:36,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:23:36,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:23:36,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:36,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:23:36,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:36,803 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:23:36,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267101488] [2021-10-20 05:23:36,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1267101488] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:23:36,804 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:23:36,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-20 05:23:36,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662367429] [2021-10-20 05:23:36,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 05:23:36,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:23:36,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 05:23:36,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 05:23:36,806 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-10-20 05:23:38,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:23:38,109 INFO L93 Difference]: Finished difference Result 202 states and 286 transitions. [2021-10-20 05:23:38,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:23:38,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 [2021-10-20 05:23:38,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:23:38,112 INFO L225 Difference]: With dead ends: 202 [2021-10-20 05:23:38,112 INFO L226 Difference]: Without dead ends: 130 [2021-10-20 05:23:38,113 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 05:23:38,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2021-10-20 05:23:38,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2021-10-20 05:23:38,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.3937007874015748) internal successors, (177), 127 states have internal predecessors, (177), 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) [2021-10-20 05:23:38,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 177 transitions. [2021-10-20 05:23:38,130 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 177 transitions. Word has length 24 [2021-10-20 05:23:38,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:23:38,131 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 177 transitions. [2021-10-20 05:23:38,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-10-20 05:23:38,131 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 177 transitions. [2021-10-20 05:23:38,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-20 05:23:38,133 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:23:38,133 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, 1, 1, 1] [2021-10-20 05:23:38,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-20 05:23:38,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:23:38,346 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:23:38,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:23:38,346 INFO L82 PathProgramCache]: Analyzing trace with hash 234285946, now seen corresponding path program 1 times [2021-10-20 05:23:38,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:23:38,347 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899855305] [2021-10-20 05:23:38,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:23:38,347 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:23:38,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:23:38,349 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:23:38,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-20 05:23:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:23:38,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:23:38,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:23:38,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:38,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:23:38,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:38,753 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:23:38,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [899855305] [2021-10-20 05:23:38,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [899855305] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:23:38,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:23:38,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-20 05:23:38,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577541043] [2021-10-20 05:23:38,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 05:23:38,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:23:38,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 05:23:38,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 05:23:38,756 INFO L87 Difference]: Start difference. First operand 128 states and 177 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2021-10-20 05:23:38,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:23:38,767 INFO L93 Difference]: Finished difference Result 182 states and 254 transitions. [2021-10-20 05:23:38,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:23:38,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 29 [2021-10-20 05:23:38,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:23:38,769 INFO L225 Difference]: With dead ends: 182 [2021-10-20 05:23:38,769 INFO L226 Difference]: Without dead ends: 60 [2021-10-20 05:23:38,770 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 05:23:38,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-20 05:23:38,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-10-20 05:23:38,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.305084745762712) internal successors, (77), 59 states have internal predecessors, (77), 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) [2021-10-20 05:23:38,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2021-10-20 05:23:38,778 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 29 [2021-10-20 05:23:38,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:23:38,779 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2021-10-20 05:23:38,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2021-10-20 05:23:38,779 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2021-10-20 05:23:38,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-20 05:23:38,781 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:23:38,781 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:23:38,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-20 05:23:38,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:23:38,994 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:23:38,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:23:38,994 INFO L82 PathProgramCache]: Analyzing trace with hash -994505597, now seen corresponding path program 1 times [2021-10-20 05:23:38,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:23:38,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806659594] [2021-10-20 05:23:38,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:23:38,995 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:23:38,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:23:38,997 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:23:39,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-20 05:23:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:23:39,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-20 05:23:39,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:23:39,394 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:39,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:23:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:39,549 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:23:39,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1806659594] [2021-10-20 05:23:39,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1806659594] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:23:39,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1200214514] [2021-10-20 05:23:39,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:23:39,550 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-20 05:23:39,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/cvc4 [2021-10-20 05:23:39,557 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-20 05:23:39,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-20 05:23:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:23:39,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 05:23:39,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:23:39,963 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-20 05:23:39,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:23:40,046 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-20 05:23:40,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1200214514] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:23:40,047 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-20 05:23:40,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-20 05:23:40,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079752561] [2021-10-20 05:23:40,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-20 05:23:40,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:23:40,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-20 05:23:40,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-20 05:23:40,049 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-10-20 05:23:40,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:23:40,134 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2021-10-20 05:23:40,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 05:23:40,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 39 [2021-10-20 05:23:40,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:23:40,135 INFO L225 Difference]: With dead ends: 118 [2021-10-20 05:23:40,135 INFO L226 Difference]: Without dead ends: 0 [2021-10-20 05:23:40,136 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 78.4ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-20 05:23:40,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-20 05:23:40,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-20 05:23:40,136 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) [2021-10-20 05:23:40,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-20 05:23:40,136 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-10-20 05:23:40,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:23:40,137 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-20 05:23:40,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-10-20 05:23:40,137 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-20 05:23:40,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-20 05:23:40,140 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:23:40,140 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:23:40,141 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:23:40,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-20 05:23:40,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-10-20 05:23:40,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt [2021-10-20 05:23:40,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-20 05:23:40,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:40,887 INFO L853 garLoopResultBuilder]: At program point L283(lines 236 284) the Hoare annotation is: false [2021-10-20 05:23:40,887 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2021-10-20 05:23:40,888 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 278) no Hoare annotation was computed. [2021-10-20 05:23:40,888 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-20 05:23:40,888 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 176) no Hoare annotation was computed. [2021-10-20 05:23:40,888 INFO L860 garLoopResultBuilder]: At program point L169-1(lines 169 176) the Hoare annotation is: true [2021-10-20 05:23:40,888 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-20 05:23:40,888 INFO L857 garLoopResultBuilder]: For program point L187-1(line 187) no Hoare annotation was computed. [2021-10-20 05:23:40,888 INFO L857 garLoopResultBuilder]: For program point L187-2(line 187) no Hoare annotation was computed. [2021-10-20 05:23:40,888 INFO L853 garLoopResultBuilder]: At program point L534(lines 529 537) the Hoare annotation is: false [2021-10-20 05:23:40,888 INFO L853 garLoopResultBuilder]: At program point L534-1(lines 529 537) the Hoare annotation is: false [2021-10-20 05:23:40,888 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 472) no Hoare annotation was computed. [2021-10-20 05:23:40,889 INFO L853 garLoopResultBuilder]: At program point L534-2(lines 529 537) the Hoare annotation is: false [2021-10-20 05:23:40,889 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 354) no Hoare annotation was computed. [2021-10-20 05:23:40,889 INFO L857 garLoopResultBuilder]: For program point L337-1(lines 337 354) no Hoare annotation was computed. [2021-10-20 05:23:40,889 INFO L857 garLoopResultBuilder]: For program point L337-2(lines 337 354) no Hoare annotation was computed. [2021-10-20 05:23:40,889 INFO L857 garLoopResultBuilder]: For program point L238(lines 237 282) no Hoare annotation was computed. [2021-10-20 05:23:40,889 INFO L853 garLoopResultBuilder]: At program point L222(lines 217 225) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:23:40,889 INFO L853 garLoopResultBuilder]: At program point L305(lines 304 323) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:23:40,889 INFO L857 garLoopResultBuilder]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2021-10-20 05:23:40,890 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 243) no Hoare annotation was computed. [2021-10-20 05:23:40,890 INFO L853 garLoopResultBuilder]: At program point L305-2(lines 304 323) the Hoare annotation is: false [2021-10-20 05:23:40,890 INFO L853 garLoopResultBuilder]: At program point L305-3(lines 304 323) the Hoare annotation is: false [2021-10-20 05:23:40,890 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-20 05:23:40,890 INFO L853 garLoopResultBuilder]: At program point L91-2(lines 91 105) the Hoare annotation is: false [2021-10-20 05:23:40,890 INFO L857 garLoopResultBuilder]: For program point L273(lines 273 277) no Hoare annotation was computed. [2021-10-20 05:23:40,890 INFO L857 garLoopResultBuilder]: For program point L273-2(lines 305 311) no Hoare annotation was computed. [2021-10-20 05:23:40,890 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 263) no Hoare annotation was computed. [2021-10-20 05:23:40,890 INFO L853 garLoopResultBuilder]: At program point L257-1(lines 257 263) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:23:40,890 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-20 05:23:40,891 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2021-10-20 05:23:40,891 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2021-10-20 05:23:40,891 INFO L857 garLoopResultBuilder]: For program point L439-2(lines 439 443) no Hoare annotation was computed. [2021-10-20 05:23:40,891 INFO L857 garLoopResultBuilder]: For program point L439-3(lines 439 443) no Hoare annotation was computed. [2021-10-20 05:23:40,891 INFO L857 garLoopResultBuilder]: For program point L439-5(lines 439 443) no Hoare annotation was computed. [2021-10-20 05:23:40,891 INFO L857 garLoopResultBuilder]: For program point L439-6(lines 439 443) no Hoare annotation was computed. [2021-10-20 05:23:40,891 INFO L857 garLoopResultBuilder]: For program point L439-8(lines 439 443) no Hoare annotation was computed. [2021-10-20 05:23:40,891 INFO L853 garLoopResultBuilder]: At program point L142(lines 138 144) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:23:40,891 INFO L857 garLoopResultBuilder]: For program point L456(lines 456 460) no Hoare annotation was computed. [2021-10-20 05:23:40,892 INFO L853 garLoopResultBuilder]: At program point L390(lines 385 393) 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)) [2021-10-20 05:23:40,892 INFO L857 garLoopResultBuilder]: For program point L456-3(lines 456 460) no Hoare annotation was computed. [2021-10-20 05:23:40,892 INFO L853 garLoopResultBuilder]: At program point L390-1(lines 385 393) the Hoare annotation is: false [2021-10-20 05:23:40,892 INFO L853 garLoopResultBuilder]: At program point L390-2(lines 385 393) the Hoare annotation is: false [2021-10-20 05:23:40,892 INFO L857 garLoopResultBuilder]: For program point L456-6(lines 456 460) no Hoare annotation was computed. [2021-10-20 05:23:40,892 INFO L857 garLoopResultBuilder]: For program point L341(lines 341 349) no Hoare annotation was computed. [2021-10-20 05:23:40,892 INFO L857 garLoopResultBuilder]: For program point L341-1(lines 341 349) no Hoare annotation was computed. [2021-10-20 05:23:40,892 INFO L857 garLoopResultBuilder]: For program point L341-2(lines 341 349) no Hoare annotation was computed. [2021-10-20 05:23:40,892 INFO L857 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2021-10-20 05:23:40,893 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-20 05:23:40,893 INFO L853 garLoopResultBuilder]: At program point L61-1(lines 1 903) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:23:40,893 INFO L857 garLoopResultBuilder]: For program point L61-2(lines 61 74) no Hoare annotation was computed. [2021-10-20 05:23:40,893 INFO L853 garLoopResultBuilder]: At program point L61-3(lines 1 903) the Hoare annotation is: false [2021-10-20 05:23:40,893 INFO L857 garLoopResultBuilder]: For program point L61-4(lines 61 74) no Hoare annotation was computed. [2021-10-20 05:23:40,893 INFO L853 garLoopResultBuilder]: At program point L61-5(lines 1 903) the Hoare annotation is: false [2021-10-20 05:23:40,893 INFO L857 garLoopResultBuilder]: For program point L95(lines 95 99) no Hoare annotation was computed. [2021-10-20 05:23:40,893 INFO L857 garLoopResultBuilder]: For program point L95-1(lines 305 311) no Hoare annotation was computed. [2021-10-20 05:23:40,893 INFO L860 garLoopResultBuilder]: At program point L178(lines 159 181) the Hoare annotation is: true [2021-10-20 05:23:40,893 INFO L853 garLoopResultBuilder]: At program point L525(lines 520 528) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:23:40,894 INFO L853 garLoopResultBuilder]: At program point L525-1(lines 520 528) the Hoare annotation is: false [2021-10-20 05:23:40,894 INFO L853 garLoopResultBuilder]: At program point L525-2(lines 520 528) the Hoare annotation is: false [2021-10-20 05:23:40,894 INFO L853 garLoopResultBuilder]: At program point L312(lines 312 318) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:23:40,894 INFO L853 garLoopResultBuilder]: At program point L312-1(lines 312 318) the Hoare annotation is: false [2021-10-20 05:23:40,894 INFO L853 garLoopResultBuilder]: At program point L312-2(lines 312 318) the Hoare annotation is: false [2021-10-20 05:23:40,894 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-10-20 05:23:40,894 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-20 05:23:40,894 INFO L857 garLoopResultBuilder]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2021-10-20 05:23:40,894 INFO L853 garLoopResultBuilder]: At program point L445(lines 430 448) the Hoare annotation is: false [2021-10-20 05:23:40,895 INFO L857 garLoopResultBuilder]: For program point L65-4(lines 65 71) no Hoare annotation was computed. [2021-10-20 05:23:40,895 INFO L853 garLoopResultBuilder]: At program point L445-1(lines 430 448) the Hoare annotation is: false [2021-10-20 05:23:40,895 INFO L853 garLoopResultBuilder]: At program point L445-2(lines 430 448) the Hoare annotation is: false [2021-10-20 05:23:40,895 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2021-10-20 05:23:40,895 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 253) no Hoare annotation was computed. [2021-10-20 05:23:40,895 INFO L853 garLoopResultBuilder]: At program point L214(lines 1 903) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:23:40,895 INFO L853 garLoopResultBuilder]: At program point L247-1(lines 247 253) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:23:40,899 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 484) no Hoare annotation was computed. [2021-10-20 05:23:40,904 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 05:23:40,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:23:40 BoogieIcfgContainer [2021-10-20 05:23:40,939 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 05:23:40,940 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 05:23:40,940 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 05:23:40,940 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 05:23:40,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:23:33" (3/4) ... [2021-10-20 05:23:40,943 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-20 05:23:40,963 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-20 05:23:40,964 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-20 05:23:40,965 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-20 05:23:40,966 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-20 05:23:40,966 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-20 05:23:40,967 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 05:23:40,968 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 05:23:40,997 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-20 05:23:41,055 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 05:23:41,056 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 05:23:41,057 INFO L168 Benchmark]: Toolchain (without parser) took 11050.70 ms. Allocated memory was 65.0 MB in the beginning and 98.6 MB in the end (delta: 33.6 MB). Free memory was 44.4 MB in the beginning and 66.6 MB in the end (delta: -22.2 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:23:41,058 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 65.0 MB. Free memory is still 46.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:23:41,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.72 ms. Allocated memory is still 65.0 MB. Free memory was 44.2 MB in the beginning and 34.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-20 05:23:41,060 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.59 ms. Allocated memory was 65.0 MB in the beginning and 98.6 MB in the end (delta: 33.6 MB). Free memory was 33.8 MB in the beginning and 81.6 MB in the end (delta: -47.7 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-10-20 05:23:41,060 INFO L168 Benchmark]: Boogie Preprocessor took 40.74 ms. Allocated memory is still 98.6 MB. Free memory was 81.6 MB in the beginning and 79.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:23:41,061 INFO L168 Benchmark]: RCFGBuilder took 2468.85 ms. Allocated memory is still 98.6 MB. Free memory was 79.5 MB in the beginning and 60.0 MB in the end (delta: 19.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. [2021-10-20 05:23:41,061 INFO L168 Benchmark]: TraceAbstraction took 7560.72 ms. Allocated memory is still 98.6 MB. Free memory was 59.7 MB in the beginning and 72.9 MB in the end (delta: -13.2 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:23:41,062 INFO L168 Benchmark]: Witness Printer took 116.20 ms. Allocated memory is still 98.6 MB. Free memory was 72.9 MB in the beginning and 66.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-20 05:23:41,064 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 65.0 MB. Free memory is still 46.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 755.72 ms. Allocated memory is still 65.0 MB. Free memory was 44.2 MB in the beginning and 34.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.59 ms. Allocated memory was 65.0 MB in the beginning and 98.6 MB in the end (delta: 33.6 MB). Free memory was 33.8 MB in the beginning and 81.6 MB in the end (delta: -47.7 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.74 ms. Allocated memory is still 98.6 MB. Free memory was 81.6 MB in the beginning and 79.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2468.85 ms. Allocated memory is still 98.6 MB. Free memory was 79.5 MB in the beginning and 60.0 MB in the end (delta: 19.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7560.72 ms. Allocated memory is still 98.6 MB. Free memory was 59.7 MB in the beginning and 72.9 MB in the end (delta: -13.2 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. * Witness Printer took 116.20 ms. Allocated memory is still 98.6 MB. Free memory was 72.9 MB in the beginning and 66.6 MB in the end (delta: 6.3 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: 187]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 187]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 187]: 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, 75 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7467.8ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 31.7ms, AutomataDifference: 1786.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 333.5ms, InitialAbstractionConstructionTime: 10.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 405 SDtfs, 591 SDslu, 446 SDs, 0 SdLazy, 107 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1416.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 414 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 228.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=5, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 88.9ms AutomataMinimizationTime, 7 MinimizatonAttempts, 117 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 72 NumberOfFragments, 123 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1714 FormulaSimplificationTreeSizeReduction, 227.2ms HoareSimplificationTime, 30 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 97.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 170.9ms SsaConstructionTime, 837.7ms SatisfiabilityAnalysisTime, 1684.2ms InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 402 ConstructedInterpolants, 0 QuantifiedInterpolants, 819 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1614 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 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: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-20 05:23:41,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e060f0e7-016f-4f45-b977-cf4d46b2984d/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...