./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product21.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_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE --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 daf06f15c6a50440fa28ebda61a14a306dbf33e7f2231abb8ab4ae318f81a0b9 ............................................................................................................................................ 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_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE --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 daf06f15c6a50440fa28ebda61a14a306dbf33e7f2231abb8ab4ae318f81a0b9 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:29:14,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:29:14,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:29:14,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:29:14,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:29:14,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:29:14,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:29:14,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:29:14,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:29:14,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:29:14,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:29:14,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:29:14,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:29:14,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:29:14,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:29:14,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:29:14,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:29:14,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:29:14,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:29:14,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:29:14,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:29:14,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:29:14,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:29:14,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:29:14,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:29:14,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:29:14,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:29:14,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:29:14,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:29:14,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:29:14,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:29:14,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:29:14,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:29:14,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:29:14,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:29:14,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:29:14,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:29:14,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:29:14,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:29:14,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:29:14,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:29:14,650 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:29:14,702 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:29:14,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:29:14,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:29:14,704 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:29:14,704 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:29:14,705 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:29:14,705 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:29:14,705 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:29:14,705 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:29:14,705 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:29:14,706 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:29:14,707 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:29:14,707 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:29:14,707 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:29:14,708 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:29:14,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:29:14,708 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:29:14,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:29:14,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:29:14,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:29:14,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:29:14,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:29:14,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:29:14,710 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:29:14,710 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:29:14,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:29:14,710 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:29:14,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:29:14,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:29:14,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:29:14,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:29:14,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:29:14,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:29:14,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:29:14,712 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:29:14,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:29:14,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:29:14,712 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:29:14,712 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:29:14,713 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_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> daf06f15c6a50440fa28ebda61a14a306dbf33e7f2231abb8ab4ae318f81a0b9 [2021-10-24 10:29:14,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:29:15,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:29:15,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:29:15,007 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:29:15,008 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:29:15,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c [2021-10-24 10:29:15,075 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/data/8bcc92794/a9b510822bbc416cb2188dcf5ce074f9/FLAGfb0f68e8f [2021-10-24 10:29:15,579 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:29:15,580 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c [2021-10-24 10:29:15,601 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/data/8bcc92794/a9b510822bbc416cb2188dcf5ce074f9/FLAGfb0f68e8f [2021-10-24 10:29:16,081 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/data/8bcc92794/a9b510822bbc416cb2188dcf5ce074f9 [2021-10-24 10:29:16,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:29:16,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:29:16,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:29:16,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:29:16,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:29:16,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:29:16" (1/1) ... [2021-10-24 10:29:16,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb02549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:16, skipping insertion in model container [2021-10-24 10:29:16,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:29:16" (1/1) ... [2021-10-24 10:29:16,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:29:16,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:29:16,389 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_7b49c3c4-aba1-44b2-a0cc-017318664a9b/sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c[5064,5077] [2021-10-24 10:29:16,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:29:16,543 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) [2021-10-24 10:29:16,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20b5b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:16, skipping insertion in model container [2021-10-24 10:29:16,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:29:16,544 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:29:16,546 INFO L168 Benchmark]: Toolchain (without parser) took 460.42 ms. Allocated memory is still 111.1 MB. Free memory was 70.4 MB in the beginning and 82.6 MB in the end (delta: -12.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:29:16,547 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 111.1 MB. Free memory is still 88.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:29:16,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 457.97 ms. Allocated memory is still 111.1 MB. Free memory was 70.2 MB in the beginning and 82.6 MB in the end (delta: -12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:29:16,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 111.1 MB. Free memory is still 88.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 457.97 ms. Allocated memory is still 111.1 MB. Free memory was 70.2 MB in the beginning and 82.6 MB in the end (delta: -12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 343]: 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 [2021-10-24 10:29:18,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:29:18,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:29:18,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:29:18,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:29:18,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:29:18,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:29:18,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:29:18,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:29:18,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:29:18,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:29:18,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:29:18,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:29:18,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:29:18,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:29:18,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:29:18,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:29:18,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:29:18,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:29:18,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:29:18,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:29:18,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:29:18,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:29:18,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:29:18,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:29:18,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:29:18,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:29:18,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:29:18,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:29:18,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:29:18,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:29:18,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:29:18,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:29:18,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:29:18,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:29:18,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:29:18,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:29:18,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:29:18,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:29:18,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:29:18,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:29:18,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:29:18,919 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:29:18,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:29:18,921 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:29:18,921 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:29:18,921 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:29:18,921 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:29:18,922 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:29:18,922 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:29:18,922 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:29:18,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:29:18,925 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:29:18,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:29:18,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:29:18,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:29:18,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:29:18,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:29:18,926 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:29:18,926 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:29:18,926 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:29:18,927 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:29:18,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:29:18,927 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:29:18,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:29:18,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:29:18,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:29:18,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:29:18,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:29:18,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:29:18,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:29:18,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:29:18,929 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:29:18,929 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:29:18,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:29:18,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:29:18,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:29:18,931 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_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> daf06f15c6a50440fa28ebda61a14a306dbf33e7f2231abb8ab4ae318f81a0b9 [2021-10-24 10:29:19,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:29:19,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:29:19,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:29:19,281 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:29:19,282 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:29:19,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c [2021-10-24 10:29:19,350 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/data/171e49ad8/4fec8c11aa654276a1c6c9e7cf034b01/FLAG74532b09f [2021-10-24 10:29:19,866 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:29:19,867 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c [2021-10-24 10:29:19,879 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/data/171e49ad8/4fec8c11aa654276a1c6c9e7cf034b01/FLAG74532b09f [2021-10-24 10:29:20,198 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/data/171e49ad8/4fec8c11aa654276a1c6c9e7cf034b01 [2021-10-24 10:29:20,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:29:20,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:29:20,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:29:20,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:29:20,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:29:20,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:29:20" (1/1) ... [2021-10-24 10:29:20,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5792e860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:20, skipping insertion in model container [2021-10-24 10:29:20,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:29:20" (1/1) ... [2021-10-24 10:29:20,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:29:20,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:29:20,599 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_7b49c3c4-aba1-44b2-a0cc-017318664a9b/sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c[5064,5077] [2021-10-24 10:29:20,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:29:20,702 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:29:20,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:29:20,727 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_7b49c3c4-aba1-44b2-a0cc-017318664a9b/sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c[5064,5077] [2021-10-24 10:29:20,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:29:20,784 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:29:20,819 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_7b49c3c4-aba1-44b2-a0cc-017318664a9b/sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c[5064,5077] [2021-10-24 10:29:20,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:29:20,889 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:29:20,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:20 WrapperNode [2021-10-24 10:29:20,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:29:20,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:29:20,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:29:20,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:29:20,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:20" (1/1) ... [2021-10-24 10:29:20,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:20" (1/1) ... [2021-10-24 10:29:20,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:29:20,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:29:20,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:29:20,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:29:20,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:20" (1/1) ... [2021-10-24 10:29:20,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:20" (1/1) ... [2021-10-24 10:29:20,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:20" (1/1) ... [2021-10-24 10:29:20,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:20" (1/1) ... [2021-10-24 10:29:21,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:20" (1/1) ... [2021-10-24 10:29:21,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:20" (1/1) ... [2021-10-24 10:29:21,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:20" (1/1) ... [2021-10-24 10:29:21,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:29:21,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:29:21,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:29:21,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:29:21,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:20" (1/1) ... [2021-10-24 10:29:21,029 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:29:21,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:29:21,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:29:21,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:29:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:29:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:29:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:29:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:29:23,238 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:29:23,238 INFO L299 CfgBuilder]: Removed 156 assume(true) statements. [2021-10-24 10:29:23,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:29:23 BoogieIcfgContainer [2021-10-24 10:29:23,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:29:23,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:29:23,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:29:23,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:29:23,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:29:20" (1/3) ... [2021-10-24 10:29:23,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf7f53f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:29:23, skipping insertion in model container [2021-10-24 10:29:23,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:20" (2/3) ... [2021-10-24 10:29:23,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf7f53f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:29:23, skipping insertion in model container [2021-10-24 10:29:23,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:29:23" (3/3) ... [2021-10-24 10:29:23,249 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product21.cil.c [2021-10-24 10:29:23,255 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:29:23,255 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:29:23,306 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:29:23,312 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 [2021-10-24 10:29:23,312 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:29:23,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 101 states have (on average 1.5445544554455446) internal successors, (156), 104 states have internal predecessors, (156), 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) [2021-10-24 10:29:23,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 10:29:23,335 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:29:23,335 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:29:23,336 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:29:23,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:29:23,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1624388130, now seen corresponding path program 1 times [2021-10-24 10:29:23,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:29:23,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [678437616] [2021-10-24 10:29:23,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:29:23,357 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:29:23,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:29:23,362 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:29:23,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:29:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:29:23,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:29:23,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:29:23,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:29:23,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:29:23,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:29:23,679 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:29:23,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [678437616] [2021-10-24 10:29:23,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [678437616] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:29:23,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:29:23,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:29:23,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074287239] [2021-10-24 10:29:23,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:29:23,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:29:23,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:29:23,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:29:23,707 INFO L87 Difference]: Start difference. First operand has 105 states, 101 states have (on average 1.5445544554455446) internal successors, (156), 104 states have internal predecessors, (156), 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) [2021-10-24 10:29:23,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:29:23,757 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2021-10-24 10:29:23,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:29:23,759 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 [2021-10-24 10:29:23,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:29:23,772 INFO L225 Difference]: With dead ends: 204 [2021-10-24 10:29:23,772 INFO L226 Difference]: Without dead ends: 101 [2021-10-24 10:29:23,776 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 [2021-10-24 10:29:23,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-10-24 10:29:23,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-10-24 10:29:23,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 98 states have (on average 1.469387755102041) internal successors, (144), 100 states have internal predecessors, (144), 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) [2021-10-24 10:29:23,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2021-10-24 10:29:23,819 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2021-10-24 10:29:23,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:29:23,819 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2021-10-24 10:29:23,820 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) [2021-10-24 10:29:23,820 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2021-10-24 10:29:23,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 10:29:23,821 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:29:23,821 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:29:23,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:29:24,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:29:24,034 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:29:24,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:29:24,035 INFO L82 PathProgramCache]: Analyzing trace with hash 577631233, now seen corresponding path program 1 times [2021-10-24 10:29:24,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:29:24,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2080579395] [2021-10-24 10:29:24,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:29:24,036 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:29:24,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:29:24,038 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:29:24,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:29:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:29:24,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:29:24,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:29:24,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:29:24,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:29:24,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:29:24,339 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:29:24,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2080579395] [2021-10-24 10:29:24,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2080579395] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:29:24,340 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:29:24,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:29:24,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991004000] [2021-10-24 10:29:24,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:29:24,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:29:24,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:29:24,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:29:24,343 INFO L87 Difference]: Start difference. First operand 101 states and 144 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) [2021-10-24 10:29:24,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:29:24,357 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2021-10-24 10:29:24,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:29:24,357 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 [2021-10-24 10:29:24,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:29:24,358 INFO L225 Difference]: With dead ends: 101 [2021-10-24 10:29:24,359 INFO L226 Difference]: Without dead ends: 43 [2021-10-24 10:29:24,360 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:29:24,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-24 10:29:24,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-24 10:29:24,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 42 states have internal predecessors, (61), 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) [2021-10-24 10:29:24,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2021-10-24 10:29:24,366 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2021-10-24 10:29:24,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:29:24,366 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2021-10-24 10:29:24,366 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) [2021-10-24 10:29:24,367 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2021-10-24 10:29:24,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 10:29:24,368 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:29:24,368 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] [2021-10-24 10:29:24,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:29:24,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:29:24,581 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:29:24,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:29:24,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1301096006, now seen corresponding path program 1 times [2021-10-24 10:29:24,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:29:24,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1559451008] [2021-10-24 10:29:24,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:29:24,583 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:29:24,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:29:24,585 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:29:24,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:29:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:29:24,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:29:24,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:29:24,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:29:24,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:29:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:29:25,008 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:29:25,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1559451008] [2021-10-24 10:29:25,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1559451008] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:29:25,009 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:29:25,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:29:25,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816275631] [2021-10-24 10:29:25,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:29:25,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:29:25,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:29:25,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:29:25,015 INFO L87 Difference]: Start difference. First operand 43 states and 61 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) [2021-10-24 10:29:25,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:29:25,044 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2021-10-24 10:29:25,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:29:25,044 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 [2021-10-24 10:29:25,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:29:25,045 INFO L225 Difference]: With dead ends: 80 [2021-10-24 10:29:25,047 INFO L226 Difference]: Without dead ends: 43 [2021-10-24 10:29:25,048 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:29:25,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-24 10:29:25,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-24 10:29:25,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 42 states have internal predecessors, (60), 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) [2021-10-24 10:29:25,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2021-10-24 10:29:25,058 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2021-10-24 10:29:25,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:29:25,059 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2021-10-24 10:29:25,059 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) [2021-10-24 10:29:25,060 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-10-24 10:29:25,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:29:25,061 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:29:25,062 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] [2021-10-24 10:29:25,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:29:25,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:29:25,275 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:29:25,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:29:25,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1386148968, now seen corresponding path program 1 times [2021-10-24 10:29:25,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:29:25,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1448801513] [2021-10-24 10:29:25,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:29:25,277 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:29:25,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:29:25,278 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:29:25,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:29:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:29:25,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:29:25,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:29:25,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:29:25,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:29:25,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:29:25,733 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:29:25,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1448801513] [2021-10-24 10:29:25,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1448801513] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:29:25,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:29:25,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 10:29:25,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447360584] [2021-10-24 10:29:25,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:29:25,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:29:25,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:29:25,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:29:25,737 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 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) [2021-10-24 10:29:26,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:29:26,000 INFO L93 Difference]: Finished difference Result 330 states and 494 transitions. [2021-10-24 10:29:26,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 10:29:26,004 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 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) Word has length 24 [2021-10-24 10:29:26,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:29:26,007 INFO L225 Difference]: With dead ends: 330 [2021-10-24 10:29:26,007 INFO L226 Difference]: Without dead ends: 293 [2021-10-24 10:29:26,008 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 118.3ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-24 10:29:26,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-10-24 10:29:26,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 108. [2021-10-24 10:29:26,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.439252336448598) internal successors, (154), 107 states have internal predecessors, (154), 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) [2021-10-24 10:29:26,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2021-10-24 10:29:26,042 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 24 [2021-10-24 10:29:26,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:29:26,042 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2021-10-24 10:29:26,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 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) [2021-10-24 10:29:26,043 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2021-10-24 10:29:26,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 10:29:26,049 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:29:26,049 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:29:26,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:29:26,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:29:26,264 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:29:26,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:29:26,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1240528407, now seen corresponding path program 1 times [2021-10-24 10:29:26,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:29:26,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [414928341] [2021-10-24 10:29:26,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:29:26,266 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:29:26,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:29:26,267 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:29:26,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:29:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:29:26,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:29:26,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:29:26,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:29:26,542 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:29:26,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:29:26,607 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:29:26,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [414928341] [2021-10-24 10:29:26,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [414928341] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:29:26,607 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:29:26,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:29:26,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972341826] [2021-10-24 10:29:26,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:29:26,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:29:26,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:29:26,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:29:26,610 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:29:27,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:29:27,732 INFO L93 Difference]: Finished difference Result 262 states and 376 transitions. [2021-10-24 10:29:27,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:29:27,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-24 10:29:27,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:29:27,735 INFO L225 Difference]: With dead ends: 262 [2021-10-24 10:29:27,735 INFO L226 Difference]: Without dead ends: 160 [2021-10-24 10:29:27,736 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:29:27,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-10-24 10:29:27,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 158. [2021-10-24 10:29:27,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.394904458598726) internal successors, (219), 157 states have internal predecessors, (219), 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) [2021-10-24 10:29:27,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 219 transitions. [2021-10-24 10:29:27,756 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 219 transitions. Word has length 25 [2021-10-24 10:29:27,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:29:27,756 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 219 transitions. [2021-10-24 10:29:27,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:29:27,757 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 219 transitions. [2021-10-24 10:29:27,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-24 10:29:27,758 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:29:27,758 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] [2021-10-24 10:29:27,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:29:27,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:29:27,971 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:29:27,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:29:27,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1153293110, now seen corresponding path program 1 times [2021-10-24 10:29:27,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:29:27,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [307224207] [2021-10-24 10:29:27,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:29:27,973 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:29:27,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:29:27,974 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:29:27,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:29:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:29:28,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:29:28,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:29:28,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:29:28,299 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:29:28,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:29:28,380 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:29:28,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [307224207] [2021-10-24 10:29:28,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [307224207] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:29:28,380 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:29:28,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:29:28,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650655323] [2021-10-24 10:29:28,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:29:28,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:29:28,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:29:28,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:29:28,382 INFO L87 Difference]: Start difference. First operand 158 states and 219 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2021-10-24 10:29:28,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:29:28,396 INFO L93 Difference]: Finished difference Result 215 states and 302 transitions. [2021-10-24 10:29:28,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:29:28,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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 27 [2021-10-24 10:29:28,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:29:28,398 INFO L225 Difference]: With dead ends: 215 [2021-10-24 10:29:28,398 INFO L226 Difference]: Without dead ends: 63 [2021-10-24 10:29:28,399 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:29:28,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-10-24 10:29:28,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-10-24 10:29:28,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 62 states have internal predecessors, (80), 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) [2021-10-24 10:29:28,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2021-10-24 10:29:28,406 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 27 [2021-10-24 10:29:28,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:29:28,406 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2021-10-24 10:29:28,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2021-10-24 10:29:28,407 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2021-10-24 10:29:28,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-24 10:29:28,408 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:29:28,408 INFO L512 BasicCegarLoop]: trace histogram [2, 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] [2021-10-24 10:29:28,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:29:28,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:29:28,622 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:29:28,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:29:28,623 INFO L82 PathProgramCache]: Analyzing trace with hash 638504924, now seen corresponding path program 1 times [2021-10-24 10:29:28,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:29:28,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [761272995] [2021-10-24 10:29:28,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:29:28,624 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:29:28,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:29:28,625 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:29:28,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 10:29:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:29:28,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 10:29:28,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:29:29,034 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:29:29,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:29:29,198 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:29:29,198 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:29:29,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [761272995] [2021-10-24 10:29:29,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [761272995] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:29:29,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [850666266] [2021-10-24 10:29:29,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:29:29,199 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:29:29,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:29:29,202 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:29:29,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-24 10:29:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:29:29,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:29:29,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:29:29,613 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-24 10:29:29,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:29:29,710 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-24 10:29:29,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [850666266] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:29:29,711 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 10:29:29,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-24 10:29:29,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558085975] [2021-10-24 10:29:29,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:29:29,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:29:29,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:29:29,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:29:29,713 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 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) [2021-10-24 10:29:29,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:29:29,796 INFO L93 Difference]: Finished difference Result 125 states and 164 transitions. [2021-10-24 10:29:29,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:29:29,796 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 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 41 [2021-10-24 10:29:29,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:29:29,797 INFO L225 Difference]: With dead ends: 125 [2021-10-24 10:29:29,797 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:29:29,797 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 69.1ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:29:29,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:29:29,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:29:29,798 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) [2021-10-24 10:29:29,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:29:29,798 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2021-10-24 10:29:29,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:29:29,798 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:29:29,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 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) [2021-10-24 10:29:29,799 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:29:29,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:29:29,801 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:29:29,802 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:29:29,802 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:29:29,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-10-24 10:29:30,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:29:30,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:29:30,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:29:30,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:29:30,543 INFO L857 garLoopResultBuilder]: For program point L828(lines 828 834) no Hoare annotation was computed. [2021-10-24 10:29:30,543 INFO L857 garLoopResultBuilder]: For program point L828-2(lines 828 834) no Hoare annotation was computed. [2021-10-24 10:29:30,544 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 310) no Hoare annotation was computed. [2021-10-24 10:29:30,544 INFO L857 garLoopResultBuilder]: For program point L828-4(lines 828 834) no Hoare annotation was computed. [2021-10-24 10:29:30,544 INFO L853 garLoopResultBuilder]: At program point L730-2(lines 730 744) the Hoare annotation is: false [2021-10-24 10:29:30,544 INFO L853 garLoopResultBuilder]: At program point L169(lines 162 172) the Hoare annotation is: false [2021-10-24 10:29:30,544 INFO L853 garLoopResultBuilder]: At program point L169-1(lines 162 172) the Hoare annotation is: false [2021-10-24 10:29:30,544 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2021-10-24 10:29:30,544 INFO L853 garLoopResultBuilder]: At program point L169-2(lines 162 172) the Hoare annotation is: false [2021-10-24 10:29:30,545 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 103 111) no Hoare annotation was computed. [2021-10-24 10:29:30,545 INFO L857 garLoopResultBuilder]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2021-10-24 10:29:30,545 INFO L857 garLoopResultBuilder]: For program point L103-3(lines 103 111) no Hoare annotation was computed. [2021-10-24 10:29:30,545 INFO L857 garLoopResultBuilder]: For program point L103-4(lines 103 111) no Hoare annotation was computed. [2021-10-24 10:29:30,545 INFO L857 garLoopResultBuilder]: For program point L103-5(lines 103 111) no Hoare annotation was computed. [2021-10-24 10:29:30,545 INFO L857 garLoopResultBuilder]: For program point L731(line 731) no Hoare annotation was computed. [2021-10-24 10:29:30,545 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 277) no Hoare annotation was computed. [2021-10-24 10:29:30,545 INFO L853 garLoopResultBuilder]: At program point L271-1(lines 271 277) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:29:30,545 INFO L857 garLoopResultBuilder]: For program point L734(lines 734 738) no Hoare annotation was computed. [2021-10-24 10:29:30,546 INFO L857 garLoopResultBuilder]: For program point L734-1(lines 67 73) no Hoare annotation was computed. [2021-10-24 10:29:30,546 INFO L853 garLoopResultBuilder]: At program point L74(lines 74 80) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:29:30,546 INFO L853 garLoopResultBuilder]: At program point L74-1(lines 74 80) the Hoare annotation is: false [2021-10-24 10:29:30,546 INFO L853 garLoopResultBuilder]: At program point L74-2(lines 74 80) the Hoare annotation is: false [2021-10-24 10:29:30,546 INFO L857 garLoopResultBuilder]: For program point L801(lines 801 808) no Hoare annotation was computed. [2021-10-24 10:29:30,546 INFO L860 garLoopResultBuilder]: At program point L801-1(lines 801 808) the Hoare annotation is: true [2021-10-24 10:29:30,546 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 310) no Hoare annotation was computed. [2021-10-24 10:29:30,546 INFO L853 garLoopResultBuilder]: At program point L706(lines 1 929) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:29:30,547 INFO L857 garLoopResultBuilder]: For program point L310(line 310) no Hoare annotation was computed. [2021-10-24 10:29:30,547 INFO L857 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2021-10-24 10:29:30,547 INFO L857 garLoopResultBuilder]: For program point L310-2(line 310) no Hoare annotation was computed. [2021-10-24 10:29:30,547 INFO L853 garLoopResultBuilder]: At program point L178(lines 173 181) 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)) [2021-10-24 10:29:30,547 INFO L853 garLoopResultBuilder]: At program point L178-1(lines 173 181) the Hoare annotation is: false [2021-10-24 10:29:30,547 INFO L853 garLoopResultBuilder]: At program point L178-2(lines 173 181) the Hoare annotation is: false [2021-10-24 10:29:30,547 INFO L857 garLoopResultBuilder]: For program point L872(lines 872 876) no Hoare annotation was computed. [2021-10-24 10:29:30,547 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 292) no Hoare annotation was computed. [2021-10-24 10:29:30,547 INFO L860 garLoopResultBuilder]: At program point L810(lines 791 813) the Hoare annotation is: true [2021-10-24 10:29:30,548 INFO L853 garLoopResultBuilder]: At program point L778(lines 774 780) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:29:30,548 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:29:30,548 INFO L853 garLoopResultBuilder]: At program point L714(lines 709 717) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:29:30,548 INFO L857 garLoopResultBuilder]: For program point L252(lines 251 296) no Hoare annotation was computed. [2021-10-24 10:29:30,548 INFO L857 garLoopResultBuilder]: For program point L253(lines 253 257) no Hoare annotation was computed. [2021-10-24 10:29:30,548 INFO L857 garLoopResultBuilder]: For program point L848(lines 848 852) no Hoare annotation was computed. [2021-10-24 10:29:30,548 INFO L857 garLoopResultBuilder]: For program point L848-3(lines 848 852) no Hoare annotation was computed. [2021-10-24 10:29:30,548 INFO L857 garLoopResultBuilder]: For program point L848-6(lines 848 852) no Hoare annotation was computed. [2021-10-24 10:29:30,548 INFO L857 garLoopResultBuilder]: For program point L287(lines 287 291) no Hoare annotation was computed. [2021-10-24 10:29:30,549 INFO L857 garLoopResultBuilder]: For program point L287-2(lines 67 73) no Hoare annotation was computed. [2021-10-24 10:29:30,549 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:29:30,549 INFO L853 garLoopResultBuilder]: At program point L917(lines 912 920) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:29:30,549 INFO L853 garLoopResultBuilder]: At program point L917-1(lines 912 920) the Hoare annotation is: false [2021-10-24 10:29:30,549 INFO L853 garLoopResultBuilder]: At program point L917-2(lines 912 920) the Hoare annotation is: false [2021-10-24 10:29:30,549 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 142) no Hoare annotation was computed. [2021-10-24 10:29:30,549 INFO L857 garLoopResultBuilder]: For program point L125-1(lines 125 142) no Hoare annotation was computed. [2021-10-24 10:29:30,549 INFO L857 garLoopResultBuilder]: For program point L125-2(lines 125 142) no Hoare annotation was computed. [2021-10-24 10:29:30,549 INFO L853 garLoopResultBuilder]: At program point L885(lines 880 888) the Hoare annotation is: false [2021-10-24 10:29:30,549 INFO L853 garLoopResultBuilder]: At program point L885-1(lines 880 888) the Hoare annotation is: false [2021-10-24 10:29:30,550 INFO L853 garLoopResultBuilder]: At program point L885-2(lines 880 888) the Hoare annotation is: false [2021-10-24 10:29:30,550 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:29:30,550 INFO L857 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:29:30,550 INFO L857 garLoopResultBuilder]: For program point L227-2(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:29:30,550 INFO L857 garLoopResultBuilder]: For program point L227-3(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:29:30,555 INFO L857 garLoopResultBuilder]: For program point L227-5(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:29:30,555 INFO L857 garLoopResultBuilder]: For program point L227-6(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:29:30,555 INFO L857 garLoopResultBuilder]: For program point L227-8(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:29:30,555 INFO L857 garLoopResultBuilder]: For program point L227-9(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:29:30,556 INFO L857 garLoopResultBuilder]: For program point L227-11(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:29:30,556 INFO L857 garLoopResultBuilder]: For program point L227-12(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:29:30,556 INFO L857 garLoopResultBuilder]: For program point L227-14(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:29:30,556 INFO L857 garLoopResultBuilder]: For program point L227-15(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:29:30,556 INFO L857 garLoopResultBuilder]: For program point L227-17(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:29:30,557 INFO L857 garLoopResultBuilder]: For program point L261(lines 261 267) no Hoare annotation was computed. [2021-10-24 10:29:30,557 INFO L853 garLoopResultBuilder]: At program point L261-1(lines 261 267) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:29:30,557 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 137) no Hoare annotation was computed. [2021-10-24 10:29:30,557 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 129 137) no Hoare annotation was computed. [2021-10-24 10:29:30,557 INFO L857 garLoopResultBuilder]: For program point L129-2(lines 129 137) no Hoare annotation was computed. [2021-10-24 10:29:30,557 INFO L857 garLoopResultBuilder]: For program point L824(lines 824 837) no Hoare annotation was computed. [2021-10-24 10:29:30,558 INFO L853 garLoopResultBuilder]: At program point L824-1(lines 1 929) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:29:30,558 INFO L857 garLoopResultBuilder]: For program point L824-2(lines 824 837) no Hoare annotation was computed. [2021-10-24 10:29:30,558 INFO L853 garLoopResultBuilder]: At program point L824-3(lines 1 929) the Hoare annotation is: false [2021-10-24 10:29:30,559 INFO L857 garLoopResultBuilder]: For program point L824-4(lines 824 837) no Hoare annotation was computed. [2021-10-24 10:29:30,566 INFO L853 garLoopResultBuilder]: At program point L824-5(lines 1 929) the Hoare annotation is: false [2021-10-24 10:29:30,566 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:29:30,567 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 310) no Hoare annotation was computed. [2021-10-24 10:29:30,567 INFO L853 garLoopResultBuilder]: At program point L297(lines 250 298) the Hoare annotation is: false [2021-10-24 10:29:30,567 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 116) no Hoare annotation was computed. [2021-10-24 10:29:30,567 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 99 116) no Hoare annotation was computed. [2021-10-24 10:29:30,567 INFO L857 garLoopResultBuilder]: For program point L99-2(lines 99 116) no Hoare annotation was computed. [2021-10-24 10:29:30,567 INFO L857 garLoopResultBuilder]: For program point L99-3(lines 99 116) no Hoare annotation was computed. [2021-10-24 10:29:30,568 INFO L857 garLoopResultBuilder]: For program point L99-4(lines 99 116) no Hoare annotation was computed. [2021-10-24 10:29:30,568 INFO L857 garLoopResultBuilder]: For program point L99-5(lines 99 116) no Hoare annotation was computed. [2021-10-24 10:29:30,568 INFO L853 garLoopResultBuilder]: At program point L67(lines 66 85) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:29:30,568 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 67 73) no Hoare annotation was computed. [2021-10-24 10:29:30,568 INFO L853 garLoopResultBuilder]: At program point L67-2(lines 66 85) the Hoare annotation is: false [2021-10-24 10:29:30,568 INFO L853 garLoopResultBuilder]: At program point L67-3(lines 66 85) the Hoare annotation is: false [2021-10-24 10:29:30,569 INFO L853 garLoopResultBuilder]: At program point L926(lines 921 929) the Hoare annotation is: false [2021-10-24 10:29:30,569 INFO L853 garLoopResultBuilder]: At program point L926-1(lines 921 929) the Hoare annotation is: false [2021-10-24 10:29:30,569 INFO L857 garLoopResultBuilder]: For program point L860(lines 860 864) no Hoare annotation was computed. [2021-10-24 10:29:30,569 INFO L853 garLoopResultBuilder]: At program point L926-2(lines 921 929) the Hoare annotation is: false [2021-10-24 10:29:30,569 INFO L853 garLoopResultBuilder]: At program point L926-3(lines 921 929) the Hoare annotation is: false [2021-10-24 10:29:30,569 INFO L853 garLoopResultBuilder]: At program point L926-4(lines 921 929) the Hoare annotation is: false [2021-10-24 10:29:30,570 INFO L853 garLoopResultBuilder]: At program point L926-5(lines 921 929) the Hoare annotation is: false [2021-10-24 10:29:30,570 INFO L853 garLoopResultBuilder]: At program point L233(lines 218 236) the Hoare annotation is: false [2021-10-24 10:29:30,570 INFO L853 garLoopResultBuilder]: At program point L233-1(lines 218 236) the Hoare annotation is: false [2021-10-24 10:29:30,570 INFO L853 garLoopResultBuilder]: At program point L233-2(lines 218 236) the Hoare annotation is: false [2021-10-24 10:29:30,570 INFO L853 garLoopResultBuilder]: At program point L233-3(lines 218 236) the Hoare annotation is: false [2021-10-24 10:29:30,570 INFO L853 garLoopResultBuilder]: At program point L233-4(lines 218 236) the Hoare annotation is: false [2021-10-24 10:29:30,571 INFO L853 garLoopResultBuilder]: At program point L233-5(lines 218 236) the Hoare annotation is: false [2021-10-24 10:29:30,575 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:29:30,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:29:30 BoogieIcfgContainer [2021-10-24 10:29:30,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:29:30,590 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:29:30,590 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:29:30,590 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:29:30,591 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:29:23" (3/4) ... [2021-10-24 10:29:30,593 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:29:30,609 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:29:30,611 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:29:30,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:29:30,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:29:30,613 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:29:30,614 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:29:30,615 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:29:30,642 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:29:30,698 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:29:30,698 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:29:30,700 INFO L168 Benchmark]: Toolchain (without parser) took 10491.77 ms. Allocated memory was 58.7 MB in the beginning and 102.8 MB in the end (delta: 44.0 MB). Free memory was 35.8 MB in the beginning and 77.7 MB in the end (delta: -41.9 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:29:30,700 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 58.7 MB. Free memory is still 40.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:29:30,700 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.57 ms. Allocated memory is still 58.7 MB. Free memory was 35.6 MB in the beginning and 26.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:29:30,701 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.72 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 26.5 MB in the beginning and 55.8 MB in the end (delta: -29.2 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:29:30,701 INFO L168 Benchmark]: Boogie Preprocessor took 46.12 ms. Allocated memory is still 75.5 MB. Free memory was 55.8 MB in the beginning and 53.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:29:30,701 INFO L168 Benchmark]: RCFGBuilder took 2219.97 ms. Allocated memory is still 75.5 MB. Free memory was 53.1 MB in the beginning and 42.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:29:30,702 INFO L168 Benchmark]: TraceAbstraction took 7346.82 ms. Allocated memory was 75.5 MB in the beginning and 102.8 MB in the end (delta: 27.3 MB). Free memory was 42.1 MB in the beginning and 36.0 MB in the end (delta: 6.1 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:29:30,702 INFO L168 Benchmark]: Witness Printer took 108.62 ms. Allocated memory is still 102.8 MB. Free memory was 35.1 MB in the beginning and 77.7 MB in the end (delta: -42.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:29:30,704 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 58.7 MB. Free memory is still 40.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 679.57 ms. Allocated memory is still 58.7 MB. Free memory was 35.6 MB in the beginning and 26.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.72 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 26.5 MB in the beginning and 55.8 MB in the end (delta: -29.2 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.12 ms. Allocated memory is still 75.5 MB. Free memory was 55.8 MB in the beginning and 53.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2219.97 ms. Allocated memory is still 75.5 MB. Free memory was 53.1 MB in the beginning and 42.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7346.82 ms. Allocated memory was 75.5 MB in the beginning and 102.8 MB in the end (delta: 27.3 MB). Free memory was 42.1 MB in the beginning and 36.0 MB in the end (delta: 6.1 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. * Witness Printer took 108.62 ms. Allocated memory is still 102.8 MB. Free memory was 35.1 MB in the beginning and 77.7 MB in the end (delta: -42.6 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: 310]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 310]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 310]: 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, 105 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7271.1ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 23.0ms, AutomataDifference: 1644.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 339.7ms, InitialAbstractionConstructionTime: 11.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 521 SDtfs, 909 SDslu, 569 SDs, 0 SdLazy, 127 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1230.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 422 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 214.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred 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: 106.9ms AutomataMinimizationTime, 7 MinimizatonAttempts, 187 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 84 NumberOfFragments, 135 HoareAnnotationTreeSize, 42 FomulaSimplifications, 1714 FormulaSimplificationTreeSizeReduction, 236.5ms HoareSimplificationTime, 42 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 93.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 179.6ms SsaConstructionTime, 824.8ms SatisfiabilityAnalysisTime, 1619.4ms InterpolantComputationTime, 213 NumberOfCodeBlocks, 213 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 410 ConstructedInterpolants, 0 QuantifiedInterpolants, 837 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1617 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 54/64 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: 791]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:29:30,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49c3c4-aba1-44b2-a0cc-017318664a9b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...