./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8 --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 5a0a9a5f1521df25ea0ff390c35c7186e45318cd30c225704d83030e156744fb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:01:41,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:01:41,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:01:41,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:01:41,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:01:41,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:01:41,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:01:41,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:01:41,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:01:41,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:01:41,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:01:41,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:01:41,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:01:41,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:01:41,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:01:41,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:01:41,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:01:41,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:01:41,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:01:41,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:01:41,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:01:41,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:01:41,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:01:41,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:01:41,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:01:41,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:01:41,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:01:41,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:01:41,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:01:41,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:01:41,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:01:41,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:01:41,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:01:41,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:01:41,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:01:41,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:01:41,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:01:41,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:01:41,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:01:41,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:01:41,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:01:41,687 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:01:41,736 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:01:41,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:01:41,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:01:41,739 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:01:41,739 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:01:41,739 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:01:41,740 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:01:41,740 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:01:41,740 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:01:41,740 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:01:41,742 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:01:41,742 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:01:41,742 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:01:41,742 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:01:41,743 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:01:41,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:01:41,744 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:01:41,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:01:41,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:01:41,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:01:41,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:01:41,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:01:41,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:01:41,746 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:01:41,746 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:01:41,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:01:41,747 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:01:41,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:01:41,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:01:41,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:01:41,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:01:41,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:01:41,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:01:41,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:01:41,750 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:01:41,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:01:41,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:01:41,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:01:41,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:01:41,752 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_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a0a9a5f1521df25ea0ff390c35c7186e45318cd30c225704d83030e156744fb [2021-11-07 01:01:42,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:01:42,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:01:42,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:01:42,050 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:01:42,051 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:01:42,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2021-11-07 01:01:42,113 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/data/a38b1142e/f117925feca74346a58e91a6ad294827/FLAG3f21816b8 [2021-11-07 01:01:42,622 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:01:42,626 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2021-11-07 01:01:42,641 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/data/a38b1142e/f117925feca74346a58e91a6ad294827/FLAG3f21816b8 [2021-11-07 01:01:42,971 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/data/a38b1142e/f117925feca74346a58e91a6ad294827 [2021-11-07 01:01:42,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:01:42,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:01:42,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:01:42,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:01:42,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:01:42,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:42" (1/1) ... [2021-11-07 01:01:42,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ad72b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:42, skipping insertion in model container [2021-11-07 01:01:42,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:42" (1/1) ... [2021-11-07 01:01:42,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:01:43,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:01:43,240 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_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c[3645,3658] [2021-11-07 01:01:43,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:01:43,340 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) [2021-11-07 01:01:43,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51c8aba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:43, skipping insertion in model container [2021-11-07 01:01:43,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:01:43,342 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:01:43,344 INFO L168 Benchmark]: Toolchain (without parser) took 368.42 ms. Allocated memory is still 102.8 MB. Free memory was 69.8 MB in the beginning and 74.0 MB in the end (delta: -4.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:01:43,345 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 102.8 MB. Free memory is still 55.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:01:43,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.85 ms. Allocated memory is still 102.8 MB. Free memory was 69.6 MB in the beginning and 74.0 MB in the end (delta: -4.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:01:43,348 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 102.8 MB. Free memory is still 55.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 365.85 ms. Allocated memory is still 102.8 MB. Free memory was 69.6 MB in the beginning and 74.0 MB in the end (delta: -4.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 529]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8 --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 5a0a9a5f1521df25ea0ff390c35c7186e45318cd30c225704d83030e156744fb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:01:45,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:01:45,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:01:45,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:01:45,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:01:45,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:01:45,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:01:45,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:01:45,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:01:45,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:01:45,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:01:45,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:01:45,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:01:45,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:01:45,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:01:45,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:01:45,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:01:45,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:01:45,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:01:45,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:01:45,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:01:45,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:01:45,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:01:45,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:01:45,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:01:45,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:01:45,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:01:45,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:01:45,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:01:45,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:01:45,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:01:45,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:01:45,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:01:45,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:01:45,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:01:45,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:01:45,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:01:45,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:01:45,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:01:45,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:01:45,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:01:45,655 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:01:45,685 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:01:45,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:01:45,686 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:01:45,687 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:01:45,687 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:01:45,687 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:01:45,688 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:01:45,688 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:01:45,688 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:01:45,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:01:45,690 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:01:45,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:01:45,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:01:45,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:01:45,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:01:45,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:01:45,692 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:01:45,692 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:01:45,693 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:01:45,693 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:01:45,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:01:45,694 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:01:45,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:01:45,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:01:45,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:01:45,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:01:45,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:01:45,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:01:45,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:01:45,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:01:45,697 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:01:45,697 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:01:45,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:01:45,698 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:01:45,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:01:45,698 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_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a0a9a5f1521df25ea0ff390c35c7186e45318cd30c225704d83030e156744fb [2021-11-07 01:01:46,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:01:46,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:01:46,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:01:46,117 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:01:46,118 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:01:46,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2021-11-07 01:01:46,198 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/data/95b1a7ce8/7d34c3aa194f458f98670207edfe0aa6/FLAGf14e0c32c [2021-11-07 01:01:46,842 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:01:46,843 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2021-11-07 01:01:46,855 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/data/95b1a7ce8/7d34c3aa194f458f98670207edfe0aa6/FLAGf14e0c32c [2021-11-07 01:01:47,088 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/data/95b1a7ce8/7d34c3aa194f458f98670207edfe0aa6 [2021-11-07 01:01:47,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:01:47,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:01:47,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:01:47,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:01:47,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:01:47,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:47" (1/1) ... [2021-11-07 01:01:47,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20aed6ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:47, skipping insertion in model container [2021-11-07 01:01:47,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:47" (1/1) ... [2021-11-07 01:01:47,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:01:47,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:01:47,458 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_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c[3645,3658] [2021-11-07 01:01:47,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:01:47,650 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:01:47,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:01:47,672 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c[3645,3658] [2021-11-07 01:01:47,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:01:47,726 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:01:47,761 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_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c[3645,3658] [2021-11-07 01:01:47,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:01:47,865 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:01:47,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:47 WrapperNode [2021-11-07 01:01:47,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:01:47,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:01:47,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:01:47,869 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:01:47,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:47" (1/1) ... [2021-11-07 01:01:47,907 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:47" (1/1) ... [2021-11-07 01:01:47,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:01:47,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:01:47,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:01:47,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:01:47,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:47" (1/1) ... [2021-11-07 01:01:47,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:47" (1/1) ... [2021-11-07 01:01:48,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:47" (1/1) ... [2021-11-07 01:01:48,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:47" (1/1) ... [2021-11-07 01:01:48,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:47" (1/1) ... [2021-11-07 01:01:48,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:47" (1/1) ... [2021-11-07 01:01:48,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:47" (1/1) ... [2021-11-07 01:01:48,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:01:48,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:01:48,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:01:48,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:01:48,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:47" (1/1) ... [2021-11-07 01:01:48,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:01:48,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:01:48,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:01:48,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:01:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:01:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:01:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:01:48,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:01:50,784 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:01:50,785 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2021-11-07 01:01:50,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:50 BoogieIcfgContainer [2021-11-07 01:01:50,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:01:50,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:01:50,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:01:50,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:01:50,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:01:47" (1/3) ... [2021-11-07 01:01:50,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e262fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:50, skipping insertion in model container [2021-11-07 01:01:50,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:47" (2/3) ... [2021-11-07 01:01:50,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e262fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:50, skipping insertion in model container [2021-11-07 01:01:50,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:50" (3/3) ... [2021-11-07 01:01:50,796 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59.cil.c [2021-11-07 01:01:50,802 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:01:50,802 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:01:50,852 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:01:50,858 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 [2021-11-07 01:01:50,858 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:01:50,877 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 136 states have internal predecessors, (204), 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) [2021-11-07 01:01:50,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:01:50,883 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:01:50,883 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:01:50,884 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:01:50,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:01:50,890 INFO L85 PathProgramCache]: Analyzing trace with hash 998639577, now seen corresponding path program 1 times [2021-11-07 01:01:50,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:01:50,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108233117] [2021-11-07 01:01:50,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:01:50,909 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:01:50,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:01:50,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:01:50,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:01:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:01:51,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:01:51,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:01:51,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:51,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:01:51,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:51,391 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:01:51,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108233117] [2021-11-07 01:01:51,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108233117] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:01:51,392 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:01:51,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:01:51,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291325825] [2021-11-07 01:01:51,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:01:51,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:01:51,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:01:51,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:01:51,414 INFO L87 Difference]: Start difference. First operand has 137 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 136 states have internal predecessors, (204), 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) [2021-11-07 01:01:51,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:01:51,447 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2021-11-07 01:01:51,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:01:51,449 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 [2021-11-07 01:01:51,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:01:51,461 INFO L225 Difference]: With dead ends: 268 [2021-11-07 01:01:51,462 INFO L226 Difference]: Without dead ends: 133 [2021-11-07 01:01:51,465 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:01:51,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-11-07 01:01:51,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-11-07 01:01:51,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 130 states have (on average 1.476923076923077) internal successors, (192), 132 states have internal predecessors, (192), 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) [2021-11-07 01:01:51,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2021-11-07 01:01:51,533 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2021-11-07 01:01:51,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:01:51,534 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2021-11-07 01:01:51,534 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) [2021-11-07 01:01:51,534 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2021-11-07 01:01:51,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:01:51,536 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:01:51,536 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:01:51,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:01:51,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:01:51,748 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:01:51,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:01:51,749 INFO L85 PathProgramCache]: Analyzing trace with hash -48117320, now seen corresponding path program 1 times [2021-11-07 01:01:51,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:01:51,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [780517681] [2021-11-07 01:01:51,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:01:51,751 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:01:51,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:01:51,752 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:01:51,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:01:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:01:51,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:01:51,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:01:52,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:52,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:01:52,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:52,130 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:01:52,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [780517681] [2021-11-07 01:01:52,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [780517681] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:01:52,131 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:01:52,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:01:52,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982553204] [2021-11-07 01:01:52,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:01:52,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:01:52,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:01:52,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:01:52,142 INFO L87 Difference]: Start difference. First operand 133 states and 192 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) [2021-11-07 01:01:52,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:01:52,182 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2021-11-07 01:01:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:01:52,183 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 [2021-11-07 01:01:52,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:01:52,188 INFO L225 Difference]: With dead ends: 133 [2021-11-07 01:01:52,189 INFO L226 Difference]: Without dead ends: 55 [2021-11-07 01:01:52,192 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:01:52,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-11-07 01:01:52,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-11-07 01:01:52,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 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) [2021-11-07 01:01:52,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-11-07 01:01:52,216 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2021-11-07 01:01:52,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:01:52,217 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-11-07 01:01:52,218 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) [2021-11-07 01:01:52,218 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-11-07 01:01:52,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:01:52,220 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:01:52,221 INFO L513 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] [2021-11-07 01:01:52,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:01:52,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:01:52,444 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:01:52,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:01:52,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1725162559, now seen corresponding path program 1 times [2021-11-07 01:01:52,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:01:52,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071430119] [2021-11-07 01:01:52,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:01:52,446 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:01:52,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:01:52,449 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:01:52,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:01:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:01:52,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:01:52,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:01:52,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:52,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:01:52,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:52,870 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:01:52,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071430119] [2021-11-07 01:01:52,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2071430119] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:01:52,871 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:01:52,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:01:52,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604433707] [2021-11-07 01:01:52,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:01:52,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:01:52,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:01:52,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:01:52,873 INFO L87 Difference]: Start difference. First operand 55 states and 79 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) [2021-11-07 01:01:52,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:01:52,903 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2021-11-07 01:01:52,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:01:52,903 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 [2021-11-07 01:01:52,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:01:52,905 INFO L225 Difference]: With dead ends: 176 [2021-11-07 01:01:52,905 INFO L226 Difference]: Without dead ends: 127 [2021-11-07 01:01:52,906 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:01:52,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-11-07 01:01:52,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2021-11-07 01:01:52,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.4794520547945205) internal successors, (108), 73 states have internal predecessors, (108), 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) [2021-11-07 01:01:52,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2021-11-07 01:01:52,920 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2021-11-07 01:01:52,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:01:52,920 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2021-11-07 01:01:52,921 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) [2021-11-07 01:01:52,921 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2021-11-07 01:01:52,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:01:52,922 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:01:52,922 INFO L513 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] [2021-11-07 01:01:52,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:01:53,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:01:53,137 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:01:53,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:01:53,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1536171928, now seen corresponding path program 1 times [2021-11-07 01:01:53,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:01:53,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172195303] [2021-11-07 01:01:53,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:01:53,139 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:01:53,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:01:53,140 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:01:53,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:01:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:01:53,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:01:53,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:01:53,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:53,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:01:53,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:53,505 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:01:53,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172195303] [2021-11-07 01:01:53,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [172195303] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:01:53,506 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:01:53,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:01:53,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504030630] [2021-11-07 01:01:53,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:01:53,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:01:53,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:01:53,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:01:53,508 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:01:53,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:01:53,577 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2021-11-07 01:01:53,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:01:53,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:01:53,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:01:53,579 INFO L225 Difference]: With dead ends: 163 [2021-11-07 01:01:53,579 INFO L226 Difference]: Without dead ends: 95 [2021-11-07 01:01:53,580 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:01:53,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-11-07 01:01:53,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2021-11-07 01:01:53,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.434782608695652) internal successors, (132), 92 states have internal predecessors, (132), 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) [2021-11-07 01:01:53,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2021-11-07 01:01:53,595 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2021-11-07 01:01:53,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:01:53,595 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2021-11-07 01:01:53,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:01:53,596 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2021-11-07 01:01:53,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:01:53,597 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:01:53,597 INFO L513 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] [2021-11-07 01:01:53,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:01:53,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:01:53,809 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:01:53,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:01:53,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1391898518, now seen corresponding path program 1 times [2021-11-07 01:01:53,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:01:53,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [442342106] [2021-11-07 01:01:53,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:01:53,810 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:01:53,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:01:53,811 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:01:53,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:01:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:01:54,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:01:54,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:01:54,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:54,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:01:54,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:54,215 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:01:54,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [442342106] [2021-11-07 01:01:54,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [442342106] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:01:54,216 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:01:54,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:01:54,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541760672] [2021-11-07 01:01:54,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:01:54,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:01:54,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:01:54,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:01:54,218 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:01:54,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:01:54,383 INFO L93 Difference]: Finished difference Result 477 states and 692 transitions. [2021-11-07 01:01:54,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:01:54,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-07 01:01:54,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:01:54,387 INFO L225 Difference]: With dead ends: 477 [2021-11-07 01:01:54,387 INFO L226 Difference]: Without dead ends: 390 [2021-11-07 01:01:54,389 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:01:54,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2021-11-07 01:01:54,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 172. [2021-11-07 01:01:54,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 171 states have (on average 1.4152046783625731) internal successors, (242), 171 states have internal predecessors, (242), 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) [2021-11-07 01:01:54,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 242 transitions. [2021-11-07 01:01:54,418 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 242 transitions. Word has length 25 [2021-11-07 01:01:54,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:01:54,418 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 242 transitions. [2021-11-07 01:01:54,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:01:54,419 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 242 transitions. [2021-11-07 01:01:54,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:01:54,420 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:01:54,420 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:01:54,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:01:54,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:01:54,633 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:01:54,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:01:54,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1188091424, now seen corresponding path program 1 times [2021-11-07 01:01:54,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:01:54,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1623152371] [2021-11-07 01:01:54,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:01:54,634 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:01:54,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:01:54,636 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:01:54,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:01:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:01:54,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:01:54,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:01:54,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:54,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:01:55,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:55,071 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:01:55,071 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1623152371] [2021-11-07 01:01:55,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1623152371] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:01:55,072 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:01:55,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:01:55,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295212925] [2021-11-07 01:01:55,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:01:55,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:01:55,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:01:55,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:01:55,075 INFO L87 Difference]: Start difference. First operand 172 states and 242 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:01:55,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:01:55,297 INFO L93 Difference]: Finished difference Result 490 states and 693 transitions. [2021-11-07 01:01:55,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:01:55,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 01:01:55,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:01:55,302 INFO L225 Difference]: With dead ends: 490 [2021-11-07 01:01:55,302 INFO L226 Difference]: Without dead ends: 488 [2021-11-07 01:01:55,303 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:01:55,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2021-11-07 01:01:55,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 172. [2021-11-07 01:01:55,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 171 states have (on average 1.4035087719298245) internal successors, (240), 171 states have internal predecessors, (240), 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) [2021-11-07 01:01:55,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 240 transitions. [2021-11-07 01:01:55,339 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 240 transitions. Word has length 26 [2021-11-07 01:01:55,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:01:55,339 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 240 transitions. [2021-11-07 01:01:55,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:01:55,340 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 240 transitions. [2021-11-07 01:01:55,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:01:55,348 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:01:55,348 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:01:55,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:01:55,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:01:55,562 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:01:55,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:01:55,562 INFO L85 PathProgramCache]: Analyzing trace with hash 770731220, now seen corresponding path program 1 times [2021-11-07 01:01:55,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:01:55,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1724668402] [2021-11-07 01:01:55,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:01:55,564 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:01:55,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:01:55,565 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:01:55,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:01:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:01:55,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:01:55,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:01:55,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:55,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:01:56,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:56,000 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:01:56,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1724668402] [2021-11-07 01:01:56,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1724668402] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:01:56,001 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:01:56,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:01:56,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680138340] [2021-11-07 01:01:56,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:01:56,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:01:56,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:01:56,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:01:56,006 INFO L87 Difference]: Start difference. First operand 172 states and 240 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-11-07 01:01:56,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:01:56,103 INFO L93 Difference]: Finished difference Result 500 states and 692 transitions. [2021-11-07 01:01:56,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:01:56,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2021-11-07 01:01:56,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:01:56,106 INFO L225 Difference]: With dead ends: 500 [2021-11-07 01:01:56,106 INFO L226 Difference]: Without dead ends: 334 [2021-11-07 01:01:56,108 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:01:56,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2021-11-07 01:01:56,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 184. [2021-11-07 01:01:56,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 183 states have (on average 1.3770491803278688) internal successors, (252), 183 states have internal predecessors, (252), 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) [2021-11-07 01:01:56,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 252 transitions. [2021-11-07 01:01:56,152 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 252 transitions. Word has length 34 [2021-11-07 01:01:56,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:01:56,158 INFO L470 AbstractCegarLoop]: Abstraction has 184 states and 252 transitions. [2021-11-07 01:01:56,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-11-07 01:01:56,159 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 252 transitions. [2021-11-07 01:01:56,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:01:56,163 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:01:56,163 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:01:56,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:01:56,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:01:56,381 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:01:56,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:01:56,382 INFO L85 PathProgramCache]: Analyzing trace with hash 183925206, now seen corresponding path program 1 times [2021-11-07 01:01:56,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:01:56,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1229519158] [2021-11-07 01:01:56,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:01:56,383 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:01:56,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:01:56,384 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:01:56,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:01:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:01:56,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:01:56,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:01:56,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:56,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:01:56,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:56,831 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:01:56,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1229519158] [2021-11-07 01:01:56,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1229519158] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:01:56,836 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:01:56,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:01:56,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619787811] [2021-11-07 01:01:56,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:01:56,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:01:56,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:01:56,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:01:56,840 INFO L87 Difference]: Start difference. First operand 184 states and 252 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) [2021-11-07 01:01:56,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:01:56,934 INFO L93 Difference]: Finished difference Result 534 states and 726 transitions. [2021-11-07 01:01:56,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:01:56,935 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 34 [2021-11-07 01:01:56,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:01:56,938 INFO L225 Difference]: With dead ends: 534 [2021-11-07 01:01:56,938 INFO L226 Difference]: Without dead ends: 356 [2021-11-07 01:01:56,939 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:01:56,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-11-07 01:01:56,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 192. [2021-11-07 01:01:56,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 191 states have (on average 1.361256544502618) internal successors, (260), 191 states have internal predecessors, (260), 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) [2021-11-07 01:01:56,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 260 transitions. [2021-11-07 01:01:56,969 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 260 transitions. Word has length 34 [2021-11-07 01:01:56,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:01:56,969 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 260 transitions. [2021-11-07 01:01:56,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) [2021-11-07 01:01:56,970 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 260 transitions. [2021-11-07 01:01:56,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:01:56,970 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:01:56,970 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:01:56,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:01:57,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:01:57,187 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:01:57,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:01:57,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1095938472, now seen corresponding path program 1 times [2021-11-07 01:01:57,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:01:57,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1977277218] [2021-11-07 01:01:57,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:01:57,188 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:01:57,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:01:57,189 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:01:57,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:01:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:01:57,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:01:57,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:01:57,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:57,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:01:57,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:57,680 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:01:57,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1977277218] [2021-11-07 01:01:57,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1977277218] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:01:57,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:01:57,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:01:57,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056117177] [2021-11-07 01:01:57,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:01:57,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:01:57,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:01:57,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:01:57,682 INFO L87 Difference]: Start difference. First operand 192 states and 260 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-11-07 01:01:57,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:01:57,771 INFO L93 Difference]: Finished difference Result 612 states and 832 transitions. [2021-11-07 01:01:57,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:01:57,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 34 [2021-11-07 01:01:57,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:01:57,775 INFO L225 Difference]: With dead ends: 612 [2021-11-07 01:01:57,775 INFO L226 Difference]: Without dead ends: 426 [2021-11-07 01:01:57,776 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:01:57,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2021-11-07 01:01:57,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 336. [2021-11-07 01:01:57,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 335 states have (on average 1.346268656716418) internal successors, (451), 335 states have internal predecessors, (451), 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) [2021-11-07 01:01:57,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 451 transitions. [2021-11-07 01:01:57,829 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 451 transitions. Word has length 34 [2021-11-07 01:01:57,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:01:57,830 INFO L470 AbstractCegarLoop]: Abstraction has 336 states and 451 transitions. [2021-11-07 01:01:57,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-11-07 01:01:57,830 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 451 transitions. [2021-11-07 01:01:57,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 01:01:57,831 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:01:57,831 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:01:57,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:01:58,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:01:58,044 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:01:58,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:01:58,045 INFO L85 PathProgramCache]: Analyzing trace with hash 420497238, now seen corresponding path program 1 times [2021-11-07 01:01:58,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:01:58,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [142558988] [2021-11-07 01:01:58,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:01:58,048 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:01:58,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:01:58,049 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:01:58,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:01:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:01:58,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:01:58,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:01:58,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:58,458 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:01:58,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:01:58,588 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:01:58,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [142558988] [2021-11-07 01:01:58,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [142558988] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:01:58,589 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:01:58,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-07 01:01:58,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818781907] [2021-11-07 01:01:58,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:01:58,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:01:58,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:01:58,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:01:58,591 INFO L87 Difference]: Start difference. First operand 336 states and 451 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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) [2021-11-07 01:02:01,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:02:01,561 INFO L93 Difference]: Finished difference Result 1402 states and 1860 transitions. [2021-11-07 01:02:01,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 01:02:01,562 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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 35 [2021-11-07 01:02:01,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:02:01,570 INFO L225 Difference]: With dead ends: 1402 [2021-11-07 01:02:01,570 INFO L226 Difference]: Without dead ends: 1072 [2021-11-07 01:02:01,571 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2021-11-07 01:02:01,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2021-11-07 01:02:01,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 336. [2021-11-07 01:02:01,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 335 states have (on average 1.3223880597014925) internal successors, (443), 335 states have internal predecessors, (443), 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) [2021-11-07 01:02:01,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 443 transitions. [2021-11-07 01:02:01,643 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 443 transitions. Word has length 35 [2021-11-07 01:02:01,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:02:01,643 INFO L470 AbstractCegarLoop]: Abstraction has 336 states and 443 transitions. [2021-11-07 01:02:01,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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) [2021-11-07 01:02:01,644 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 443 transitions. [2021-11-07 01:02:01,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 01:02:01,645 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:02:01,645 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:02:01,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:02:01,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:02:01,858 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:02:01,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:02:01,859 INFO L85 PathProgramCache]: Analyzing trace with hash 507471461, now seen corresponding path program 1 times [2021-11-07 01:02:01,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:02:01,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2005297628] [2021-11-07 01:02:01,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:02:01,859 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:02:01,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:02:01,860 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:02:01,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 01:02:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:02:02,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:02:02,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:02:02,356 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:02:02,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:02:02,610 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:02:02,610 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:02:02,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2005297628] [2021-11-07 01:02:02,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2005297628] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:02:02,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1375271606] [2021-11-07 01:02:02,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:02:02,611 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:02:02,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:02:02,616 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:02:02,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-11-07 01:02:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:02:03,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:02:03,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:02:03,302 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:02:03,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:02:03,504 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:02:03,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1375271606] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:02:03,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779825213] [2021-11-07 01:02:03,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:02:03,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:02:03,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:02:03,507 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:02:03,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-07 01:02:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:02:03,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:02:03,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:02:04,080 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:02:04,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:02:04,267 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:02:04,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779825213] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:02:04,268 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:02:04,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2021-11-07 01:02:04,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559251505] [2021-11-07 01:02:04,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:02:04,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:02:04,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:02:04,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:02:04,270 INFO L87 Difference]: Start difference. First operand 336 states and 443 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 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) [2021-11-07 01:02:06,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:02:06,701 INFO L93 Difference]: Finished difference Result 3631 states and 4788 transitions. [2021-11-07 01:02:06,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-07 01:02:06,702 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 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 56 [2021-11-07 01:02:06,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:02:06,721 INFO L225 Difference]: With dead ends: 3631 [2021-11-07 01:02:06,721 INFO L226 Difference]: Without dead ends: 3301 [2021-11-07 01:02:06,723 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-07 01:02:06,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3301 states. [2021-11-07 01:02:06,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3301 to 881. [2021-11-07 01:02:06,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 880 states have (on average 1.3420454545454545) internal successors, (1181), 880 states have internal predecessors, (1181), 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) [2021-11-07 01:02:06,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1181 transitions. [2021-11-07 01:02:06,904 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1181 transitions. Word has length 56 [2021-11-07 01:02:06,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:02:06,905 INFO L470 AbstractCegarLoop]: Abstraction has 881 states and 1181 transitions. [2021-11-07 01:02:06,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 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) [2021-11-07 01:02:06,905 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1181 transitions. [2021-11-07 01:02:06,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 01:02:06,906 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:02:06,907 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:02:06,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:02:07,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:02:07,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-11-07 01:02:07,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:02:07,510 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:02:07,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:02:07,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1208536039, now seen corresponding path program 1 times [2021-11-07 01:02:07,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:02:07,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755034835] [2021-11-07 01:02:07,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:02:07,511 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:02:07,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:02:07,512 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:02:07,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-07 01:02:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:02:07,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:02:07,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:02:07,983 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:02:07,984 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:02:08,113 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:02:08,114 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:02:08,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1755034835] [2021-11-07 01:02:08,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1755034835] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:02:08,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:02:08,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:02:08,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389489030] [2021-11-07 01:02:08,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:02:08,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:02:08,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:02:08,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:02:08,117 INFO L87 Difference]: Start difference. First operand 881 states and 1181 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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) [2021-11-07 01:02:08,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:02:08,266 INFO L93 Difference]: Finished difference Result 1447 states and 1900 transitions. [2021-11-07 01:02:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:02:08,266 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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 56 [2021-11-07 01:02:08,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:02:08,268 INFO L225 Difference]: With dead ends: 1447 [2021-11-07 01:02:08,268 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:02:08,270 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:02:08,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:02:08,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:02:08,270 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) [2021-11-07 01:02:08,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:02:08,271 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-11-07 01:02:08,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:02:08,271 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:02:08,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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) [2021-11-07 01:02:08,272 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:02:08,272 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:02:08,275 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:02:08,276 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:02:08,276 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:02:08,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-07 01:02:08,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:02:08,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:02:08,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:08,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:08,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:08,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:08,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:08,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:08,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:08,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:08,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:08,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:08,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:08,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:08,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:08,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:09,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:09,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:09,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:09,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:09,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:09,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:09,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:09,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:09,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:09,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:09,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:09,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:09,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:09,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:09,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:09,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:10,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:10,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:10,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:10,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:10,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:10,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:10,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:10,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:10,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:11,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:11,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:11,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:11,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:11,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:11,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:11,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:11,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:11,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:11,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:11,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:11,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:11,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:11,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:11,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:12,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:12,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:02:24,461 INFO L853 garLoopResultBuilder]: At program point L101-4(lines 96 104) the Hoare annotation is: false [2021-11-07 01:02:24,461 INFO L853 garLoopResultBuilder]: At program point L101-5(lines 96 104) the Hoare annotation is: false [2021-11-07 01:02:24,461 INFO L853 garLoopResultBuilder]: At program point L101-6(lines 96 104) the Hoare annotation is: false [2021-11-07 01:02:24,461 INFO L853 garLoopResultBuilder]: At program point L101-7(lines 96 104) the Hoare annotation is: false [2021-11-07 01:02:24,461 INFO L853 garLoopResultBuilder]: At program point L101-8(lines 96 104) the Hoare annotation is: false [2021-11-07 01:02:24,462 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2021-11-07 01:02:24,462 INFO L860 garLoopResultBuilder]: At program point L996(lines 977 999) the Hoare annotation is: true [2021-11-07 01:02:24,462 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 353) no Hoare annotation was computed. [2021-11-07 01:02:24,462 INFO L857 garLoopResultBuilder]: For program point L336-1(lines 336 353) no Hoare annotation was computed. [2021-11-07 01:02:24,462 INFO L857 garLoopResultBuilder]: For program point L336-2(lines 336 353) no Hoare annotation was computed. [2021-11-07 01:02:24,463 INFO L857 garLoopResultBuilder]: For program point L171(lines 171 184) no Hoare annotation was computed. [2021-11-07 01:02:24,463 INFO L853 garLoopResultBuilder]: At program point L171-1(lines 1 999) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse6 .cse7 .cse4) (and .cse0 .cse6 .cse8 .cse9 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse7 .cse3) (and .cse0 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse1 .cse8 .cse9 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse7 .cse4))) [2021-11-07 01:02:24,463 INFO L857 garLoopResultBuilder]: For program point L171-2(lines 171 184) no Hoare annotation was computed. [2021-11-07 01:02:24,463 INFO L853 garLoopResultBuilder]: At program point L171-3(lines 1 999) the Hoare annotation is: false [2021-11-07 01:02:24,463 INFO L857 garLoopResultBuilder]: For program point L171-4(lines 171 184) no Hoare annotation was computed. [2021-11-07 01:02:24,464 INFO L853 garLoopResultBuilder]: At program point L171-5(lines 1 999) the Hoare annotation is: false [2021-11-07 01:02:24,464 INFO L853 garLoopResultBuilder]: At program point L964(lines 960 966) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:02:24,464 INFO L853 garLoopResultBuilder]: At program point L900(lines 895 903) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:02:24,464 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2021-11-07 01:02:24,464 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 141 147) no Hoare annotation was computed. [2021-11-07 01:02:24,464 INFO L857 garLoopResultBuilder]: For program point L141-2(lines 141 147) no Hoare annotation was computed. [2021-11-07 01:02:24,465 INFO L857 garLoopResultBuilder]: For program point L141-3(lines 141 147) no Hoare annotation was computed. [2021-11-07 01:02:24,465 INFO L857 garLoopResultBuilder]: For program point L141-4(lines 141 147) no Hoare annotation was computed. [2021-11-07 01:02:24,465 INFO L857 garLoopResultBuilder]: For program point L141-5(lines 141 147) no Hoare annotation was computed. [2021-11-07 01:02:24,465 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2021-11-07 01:02:24,465 INFO L857 garLoopResultBuilder]: For program point L373(lines 373 379) no Hoare annotation was computed. [2021-11-07 01:02:24,465 INFO L857 garLoopResultBuilder]: For program point L340(lines 340 348) no Hoare annotation was computed. [2021-11-07 01:02:24,466 INFO L857 garLoopResultBuilder]: For program point L373-2(lines 373 379) no Hoare annotation was computed. [2021-11-07 01:02:24,466 INFO L857 garLoopResultBuilder]: For program point L340-1(lines 340 348) no Hoare annotation was computed. [2021-11-07 01:02:24,466 INFO L857 garLoopResultBuilder]: For program point L340-2(lines 340 348) no Hoare annotation was computed. [2021-11-07 01:02:24,466 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 254) no Hoare annotation was computed. [2021-11-07 01:02:24,466 INFO L857 garLoopResultBuilder]: For program point L373-4(lines 373 379) no Hoare annotation was computed. [2021-11-07 01:02:24,466 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 181) no Hoare annotation was computed. [2021-11-07 01:02:24,467 INFO L857 garLoopResultBuilder]: For program point L373-6(lines 373 379) no Hoare annotation was computed. [2021-11-07 01:02:24,467 INFO L857 garLoopResultBuilder]: For program point L175-2(lines 175 181) no Hoare annotation was computed. [2021-11-07 01:02:24,467 INFO L857 garLoopResultBuilder]: For program point L373-8(lines 373 379) no Hoare annotation was computed. [2021-11-07 01:02:24,467 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 80) no Hoare annotation was computed. [2021-11-07 01:02:24,467 INFO L857 garLoopResultBuilder]: For program point L373-10(lines 373 379) no Hoare annotation was computed. [2021-11-07 01:02:24,467 INFO L857 garLoopResultBuilder]: For program point L175-4(lines 175 181) no Hoare annotation was computed. [2021-11-07 01:02:24,468 INFO L853 garLoopResultBuilder]: At program point L407(lines 402 410) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3 .cse4))) [2021-11-07 01:02:24,468 INFO L853 garLoopResultBuilder]: At program point L407-1(lines 402 410) the Hoare annotation is: false [2021-11-07 01:02:24,468 INFO L853 garLoopResultBuilder]: At program point L407-2(lines 402 410) the Hoare annotation is: false [2021-11-07 01:02:24,468 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2021-11-07 01:02:24,468 INFO L857 garLoopResultBuilder]: For program point L475-2(lines 475 479) no Hoare annotation was computed. [2021-11-07 01:02:24,469 INFO L857 garLoopResultBuilder]: For program point L475-3(lines 475 479) no Hoare annotation was computed. [2021-11-07 01:02:24,469 INFO L857 garLoopResultBuilder]: For program point L310(lines 310 327) no Hoare annotation was computed. [2021-11-07 01:02:24,469 INFO L857 garLoopResultBuilder]: For program point L475-5(lines 475 479) no Hoare annotation was computed. [2021-11-07 01:02:24,469 INFO L857 garLoopResultBuilder]: For program point L310-1(lines 310 327) no Hoare annotation was computed. [2021-11-07 01:02:24,469 INFO L857 garLoopResultBuilder]: For program point L475-6(lines 475 479) no Hoare annotation was computed. [2021-11-07 01:02:24,469 INFO L857 garLoopResultBuilder]: For program point L310-2(lines 310 327) no Hoare annotation was computed. [2021-11-07 01:02:24,470 INFO L857 garLoopResultBuilder]: For program point L310-3(lines 310 327) no Hoare annotation was computed. [2021-11-07 01:02:24,470 INFO L857 garLoopResultBuilder]: For program point L475-8(lines 475 479) no Hoare annotation was computed. [2021-11-07 01:02:24,470 INFO L857 garLoopResultBuilder]: For program point L310-4(lines 310 327) no Hoare annotation was computed. [2021-11-07 01:02:24,470 INFO L857 garLoopResultBuilder]: For program point L310-5(lines 310 327) no Hoare annotation was computed. [2021-11-07 01:02:24,470 INFO L853 garLoopResultBuilder]: At program point L278(lines 277 296) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse5) (and .cse0 .cse1 .cse2 .cse5) (and .cse0 .cse2 .cse6 .cse3) (and .cse0 .cse4 .cse6 .cse5) (and .cse0 .cse2 .cse6 .cse5))) [2021-11-07 01:02:24,470 INFO L857 garLoopResultBuilder]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2021-11-07 01:02:24,471 INFO L857 garLoopResultBuilder]: For program point L212(lines 211 258) no Hoare annotation was computed. [2021-11-07 01:02:24,471 INFO L853 garLoopResultBuilder]: At program point L278-2(lines 277 296) the Hoare annotation is: false [2021-11-07 01:02:24,471 INFO L853 garLoopResultBuilder]: At program point L278-3(lines 277 296) the Hoare annotation is: false [2021-11-07 01:02:24,471 INFO L853 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: false [2021-11-07 01:02:24,471 INFO L853 garLoopResultBuilder]: At program point L146-1(lines 137 150) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse7 .cse3 .cse4) (and .cse0 .cse6 .cse7 .cse5 .cse3 .cse4))) [2021-11-07 01:02:24,472 INFO L853 garLoopResultBuilder]: At program point L146-2(lines 137 150) the Hoare annotation is: false [2021-11-07 01:02:24,472 INFO L853 garLoopResultBuilder]: At program point L146-3(lines 137 150) the Hoare annotation is: false [2021-11-07 01:02:24,472 INFO L853 garLoopResultBuilder]: At program point L146-4(lines 137 150) the Hoare annotation is: false [2021-11-07 01:02:24,472 INFO L853 garLoopResultBuilder]: At program point L146-5(lines 137 150) the Hoare annotation is: false [2021-11-07 01:02:24,472 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 217) no Hoare annotation was computed. [2021-11-07 01:02:24,472 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 253) no Hoare annotation was computed. [2021-11-07 01:02:24,473 INFO L853 garLoopResultBuilder]: At program point L247-1(lines 278 284) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse1 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse6))) [2021-11-07 01:02:24,473 INFO L857 garLoopResultBuilder]: For program point L314(lines 314 322) no Hoare annotation was computed. [2021-11-07 01:02:24,473 INFO L857 garLoopResultBuilder]: For program point L314-1(lines 314 322) no Hoare annotation was computed. [2021-11-07 01:02:24,473 INFO L857 garLoopResultBuilder]: For program point L314-2(lines 314 322) no Hoare annotation was computed. [2021-11-07 01:02:24,473 INFO L857 garLoopResultBuilder]: For program point L314-3(lines 314 322) no Hoare annotation was computed. [2021-11-07 01:02:24,473 INFO L857 garLoopResultBuilder]: For program point L314-4(lines 314 322) no Hoare annotation was computed. [2021-11-07 01:02:24,474 INFO L857 garLoopResultBuilder]: For program point L314-5(lines 314 322) no Hoare annotation was computed. [2021-11-07 01:02:24,474 INFO L853 garLoopResultBuilder]: At program point L481(lines 466 484) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse3 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse6) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-11-07 01:02:24,474 INFO L853 garLoopResultBuilder]: At program point L481-1(lines 466 484) the Hoare annotation is: false [2021-11-07 01:02:24,474 INFO L853 garLoopResultBuilder]: At program point L481-2(lines 466 484) the Hoare annotation is: false [2021-11-07 01:02:24,474 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:02:24,475 INFO L853 garLoopResultBuilder]: At program point L285(lines 285 291) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32)))))) [2021-11-07 01:02:24,475 INFO L853 garLoopResultBuilder]: At program point L285-1(lines 285 291) the Hoare annotation is: false [2021-11-07 01:02:24,475 INFO L853 garLoopResultBuilder]: At program point L285-2(lines 285 291) the Hoare annotation is: false [2021-11-07 01:02:24,475 INFO L857 garLoopResultBuilder]: For program point L88(lines 88 92) no Hoare annotation was computed. [2021-11-07 01:02:24,475 INFO L857 garLoopResultBuilder]: For program point L221(lines 221 227) no Hoare annotation was computed. [2021-11-07 01:02:24,475 INFO L853 garLoopResultBuilder]: At program point L221-1(lines 221 227) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse6 .cse7 .cse4) (and .cse0 .cse6 .cse8 .cse9 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse7 .cse3) (and .cse0 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse1 .cse8 .cse9 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse7 .cse4))) [2021-11-07 01:02:24,476 INFO L853 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse3))) [2021-11-07 01:02:24,476 INFO L853 garLoopResultBuilder]: At program point L156-1(lines 151 159) the Hoare annotation is: false [2021-11-07 01:02:24,476 INFO L853 garLoopResultBuilder]: At program point L156-2(lines 151 159) the Hoare annotation is: false [2021-11-07 01:02:24,476 INFO L853 garLoopResultBuilder]: At program point L916-2(lines 916 930) the Hoare annotation is: false [2021-11-07 01:02:24,476 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:02:24,477 INFO L857 garLoopResultBuilder]: For program point L917(line 917) no Hoare annotation was computed. [2021-11-07 01:02:24,477 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 495) no Hoare annotation was computed. [2021-11-07 01:02:24,477 INFO L853 garLoopResultBuilder]: At program point L489-1(lines 489 495) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse4 .cse5 .cse3))) [2021-11-07 01:02:24,477 INFO L857 garLoopResultBuilder]: For program point L456(lines 456 460) no Hoare annotation was computed. [2021-11-07 01:02:24,477 INFO L857 garLoopResultBuilder]: For program point L456-2(lines 456 460) no Hoare annotation was computed. [2021-11-07 01:02:24,477 INFO L857 garLoopResultBuilder]: For program point L456-3(lines 456 460) no Hoare annotation was computed. [2021-11-07 01:02:24,478 INFO L857 garLoopResultBuilder]: For program point L456-5(lines 456 460) no Hoare annotation was computed. [2021-11-07 01:02:24,478 INFO L857 garLoopResultBuilder]: For program point L456-6(lines 456 460) no Hoare annotation was computed. [2021-11-07 01:02:24,478 INFO L857 garLoopResultBuilder]: For program point L456-8(lines 456 460) no Hoare annotation was computed. [2021-11-07 01:02:24,478 INFO L857 garLoopResultBuilder]: For program point L456-9(lines 456 460) no Hoare annotation was computed. [2021-11-07 01:02:24,478 INFO L857 garLoopResultBuilder]: For program point L456-11(lines 456 460) no Hoare annotation was computed. [2021-11-07 01:02:24,478 INFO L857 garLoopResultBuilder]: For program point L456-12(lines 456 460) no Hoare annotation was computed. [2021-11-07 01:02:24,479 INFO L857 garLoopResultBuilder]: For program point L456-14(lines 456 460) no Hoare annotation was computed. [2021-11-07 01:02:24,479 INFO L857 garLoopResultBuilder]: For program point L456-15(lines 456 460) no Hoare annotation was computed. [2021-11-07 01:02:24,479 INFO L857 garLoopResultBuilder]: For program point L456-17(lines 456 460) no Hoare annotation was computed. [2021-11-07 01:02:24,479 INFO L853 garLoopResultBuilder]: At program point L259(lines 210 260) the Hoare annotation is: false [2021-11-07 01:02:24,479 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-11-07 01:02:24,479 INFO L857 garLoopResultBuilder]: For program point L193-1(line 193) no Hoare annotation was computed. [2021-11-07 01:02:24,480 INFO L857 garLoopResultBuilder]: For program point L193-2(line 193) no Hoare annotation was computed. [2021-11-07 01:02:24,480 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:02:24,480 INFO L857 garLoopResultBuilder]: For program point L920(lines 920 924) no Hoare annotation was computed. [2021-11-07 01:02:24,480 INFO L857 garLoopResultBuilder]: For program point L920-1(lines 278 284) no Hoare annotation was computed. [2021-11-07 01:02:24,480 INFO L857 garLoopResultBuilder]: For program point L987(lines 987 994) no Hoare annotation was computed. [2021-11-07 01:02:24,480 INFO L860 garLoopResultBuilder]: At program point L987-1(lines 987 994) the Hoare annotation is: true [2021-11-07 01:02:24,481 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2021-11-07 01:02:24,481 INFO L857 garLoopResultBuilder]: For program point L64-3(lines 64 68) no Hoare annotation was computed. [2021-11-07 01:02:24,481 INFO L857 garLoopResultBuilder]: For program point L64-6(lines 64 68) no Hoare annotation was computed. [2021-11-07 01:02:24,481 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:02:24,481 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2021-11-07 01:02:24,481 INFO L853 garLoopResultBuilder]: At program point L462(lines 447 465) the Hoare annotation is: false [2021-11-07 01:02:24,482 INFO L853 garLoopResultBuilder]: At program point L462-1(lines 447 465) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv0 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse6 .cse7 .cse8 .cse5 .cse3 .cse9 .cse4) (and .cse0 .cse6 .cse2 .cse7 .cse8 .cse3 .cse9 .cse4))) [2021-11-07 01:02:24,482 INFO L853 garLoopResultBuilder]: At program point L462-2(lines 447 465) the Hoare annotation is: false [2021-11-07 01:02:24,482 INFO L853 garLoopResultBuilder]: At program point L462-3(lines 447 465) the Hoare annotation is: false [2021-11-07 01:02:24,482 INFO L853 garLoopResultBuilder]: At program point L462-4(lines 447 465) the Hoare annotation is: false [2021-11-07 01:02:24,482 INFO L853 garLoopResultBuilder]: At program point L462-5(lines 447 465) the Hoare annotation is: false [2021-11-07 01:02:24,483 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 237) no Hoare annotation was computed. [2021-11-07 01:02:24,483 INFO L853 garLoopResultBuilder]: At program point L231-1(lines 231 237) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse1 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse6))) [2021-11-07 01:02:24,483 INFO L853 garLoopResultBuilder]: At program point L892(lines 1 999) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:02:24,483 INFO L853 garLoopResultBuilder]: At program point L398(lines 391 401) the Hoare annotation is: false [2021-11-07 01:02:24,483 INFO L853 garLoopResultBuilder]: At program point L398-1(lines 391 401) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2 .cse3))) [2021-11-07 01:02:24,484 INFO L853 garLoopResultBuilder]: At program point L398-2(lines 391 401) the Hoare annotation is: false [2021-11-07 01:02:24,484 INFO L853 garLoopResultBuilder]: At program point L398-3(lines 391 401) the Hoare annotation is: false [2021-11-07 01:02:24,484 INFO L853 garLoopResultBuilder]: At program point L398-4(lines 391 401) the Hoare annotation is: false [2021-11-07 01:02:24,484 INFO L853 garLoopResultBuilder]: At program point L398-5(lines 391 401) the Hoare annotation is: false [2021-11-07 01:02:24,484 INFO L853 garLoopResultBuilder]: At program point L101(lines 96 104) the Hoare annotation is: false [2021-11-07 01:02:24,484 INFO L853 garLoopResultBuilder]: At program point L101-1(lines 96 104) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3))) [2021-11-07 01:02:24,485 INFO L853 garLoopResultBuilder]: At program point L101-2(lines 96 104) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse3 .cse5 .cse6 .cse4) (and .cse0 .cse7 .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32)))) (and .cse0 .cse7 .cse1 .cse2 .cse4) (and .cse0 .cse7 .cse5 .cse6 .cse4))) [2021-11-07 01:02:24,485 INFO L853 garLoopResultBuilder]: At program point L101-3(lines 96 104) the Hoare annotation is: false [2021-11-07 01:02:24,488 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:02:24,490 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:02:24,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:02:24 BoogieIcfgContainer [2021-11-07 01:02:24,533 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:02:24,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:02:24,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:02:24,534 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:02:24,534 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:50" (3/4) ... [2021-11-07 01:02:24,537 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:02:24,560 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:02:24,561 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:02:24,562 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:02:24,564 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:02:24,565 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:02:24,567 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:02:24,568 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:02:24,593 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) [2021-11-07 01:02:24,593 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) [2021-11-07 01:02:24,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:02:24,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) [2021-11-07 01:02:24,597 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-11-07 01:02:24,597 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:02:24,598 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && \result == 0bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) [2021-11-07 01:02:24,598 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) [2021-11-07 01:02:24,600 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-11-07 01:02:24,601 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-11-07 01:02:24,656 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:02:24,657 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:02:24,658 INFO L168 Benchmark]: Toolchain (without parser) took 37560.88 ms. Allocated memory was 79.7 MB in the beginning and 268.4 MB in the end (delta: 188.7 MB). Free memory was 61.8 MB in the beginning and 183.5 MB in the end (delta: -121.7 MB). Peak memory consumption was 65.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:02:24,659 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory is still 59.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:02:24,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.85 ms. Allocated memory is still 79.7 MB. Free memory was 61.6 MB in the beginning and 46.8 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:02:24,660 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.48 ms. Allocated memory is still 79.7 MB. Free memory was 46.8 MB in the beginning and 42.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:02:24,660 INFO L168 Benchmark]: Boogie Preprocessor took 102.66 ms. Allocated memory is still 79.7 MB. Free memory was 42.9 MB in the beginning and 40.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:02:24,660 INFO L168 Benchmark]: RCFGBuilder took 2698.76 ms. Allocated memory was 79.7 MB in the beginning and 111.1 MB in the end (delta: 31.5 MB). Free memory was 39.7 MB in the beginning and 68.2 MB in the end (delta: -28.4 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:02:24,661 INFO L168 Benchmark]: TraceAbstraction took 33743.70 ms. Allocated memory was 111.1 MB in the beginning and 268.4 MB in the end (delta: 157.3 MB). Free memory was 67.3 MB in the beginning and 195.1 MB in the end (delta: -127.8 MB). Peak memory consumption was 146.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:02:24,661 INFO L168 Benchmark]: Witness Printer took 123.39 ms. Allocated memory is still 268.4 MB. Free memory was 195.1 MB in the beginning and 183.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:02:24,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory is still 59.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 766.85 ms. Allocated memory is still 79.7 MB. Free memory was 61.6 MB in the beginning and 46.8 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.48 ms. Allocated memory is still 79.7 MB. Free memory was 46.8 MB in the beginning and 42.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 102.66 ms. Allocated memory is still 79.7 MB. Free memory was 42.9 MB in the beginning and 40.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2698.76 ms. Allocated memory was 79.7 MB in the beginning and 111.1 MB in the end (delta: 31.5 MB). Free memory was 39.7 MB in the beginning and 68.2 MB in the end (delta: -28.4 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 33743.70 ms. Allocated memory was 111.1 MB in the beginning and 268.4 MB in the end (delta: 157.3 MB). Free memory was 67.3 MB in the beginning and 195.1 MB in the end (delta: -127.8 MB). Peak memory consumption was 146.6 MB. Max. memory is 16.1 GB. * Witness Printer took 123.39 ms. Allocated memory is still 268.4 MB. Free memory was 195.1 MB in the beginning and 183.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 193]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 193]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 193]: 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, 137 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 33.6s, OverallIterations: 12, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1591 SDtfs, 2712 SDslu, 4240 SDs, 0 SdLazy, 513 SolverSat, 101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1000 GetRequests, 925 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=881occurred in iteration=11, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 4149 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 295 NumberOfFragments, 1148 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3257994 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 56 FomulaSimplificationsInter, 2548212 FormulaSimplificationTreeSizeReductionInter, 12.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 954 ConstructedInterpolants, 0 QuantifiedInterpolants, 2022 SizeOfPredicates, 32 NumberOfNonLiveVariables, 3031 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 76/112 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: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && \result == 0bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:02:24,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691c69e0-61a8-4ce7-b1e5-f279fc36d1b6/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE