./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b8451c8f3d8ff26b053ea0918ef208b2c50fd9de ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b8451c8f3d8ff26b053ea0918ef208b2c50fd9de .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:43:44,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:43:44,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:43:44,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:43:44,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:43:44,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:43:44,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:43:44,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:43:44,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:43:44,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:43:44,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:43:44,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:43:44,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:43:44,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:43:44,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:43:44,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:43:44,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:43:44,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:43:44,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:43:44,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:43:44,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:43:44,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:43:44,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:43:44,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:43:44,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:43:44,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:43:44,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:43:44,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:43:44,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:43:44,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:43:44,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:43:44,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:43:44,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:43:44,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:43:44,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:43:44,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:43:44,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:43:44,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:43:44,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:43:44,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:43:44,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:43:44,713 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:43:44,762 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:43:44,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:43:44,764 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:43:44,764 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:43:44,765 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:43:44,765 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:43:44,765 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:43:44,765 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:43:44,772 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:43:44,772 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:43:44,774 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:43:44,774 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:43:44,774 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:43:44,774 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:43:44,775 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:43:44,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:43:44,776 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:43:44,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:43:44,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:43:44,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:43:44,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:43:44,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:43:44,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:43:44,777 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:43:44,778 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:43:44,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:43:44,778 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:43:44,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:43:44,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:43:44,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:43:44,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:43:44,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:43:44,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:43:44,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:43:44,782 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:43:44,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:43:44,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:43:44,782 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:43:44,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:43:44,783 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_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8451c8f3d8ff26b053ea0918ef208b2c50fd9de [2021-10-13 07:43:45,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:43:45,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:43:45,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:43:45,153 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:43:45,155 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:43:45,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2021-10-13 07:43:45,252 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/data/21bc0a813/716c65ff0edf43208089d4249bc5c7c2/FLAG77dbdac4f [2021-10-13 07:43:45,845 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:43:45,846 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2021-10-13 07:43:45,860 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/data/21bc0a813/716c65ff0edf43208089d4249bc5c7c2/FLAG77dbdac4f [2021-10-13 07:43:46,102 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/data/21bc0a813/716c65ff0edf43208089d4249bc5c7c2 [2021-10-13 07:43:46,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:43:46,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:43:46,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:43:46,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:43:46,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:43:46,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:43:46" (1/1) ... [2021-10-13 07:43:46,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed1434e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:46, skipping insertion in model container [2021-10-13 07:43:46,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:43:46" (1/1) ... [2021-10-13 07:43:46,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:43:46,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:43:46,482 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_34202251-a395-45ee-adc6-b6aa713aac6e/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c[12713,12726] [2021-10-13 07:43:46,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:43:46,537 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 07:43:46,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5531f0c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:46, skipping insertion in model container [2021-10-13 07:43:46,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:43:46,538 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:43:46,541 INFO L168 Benchmark]: Toolchain (without parser) took 432.30 ms. Allocated memory is still 94.4 MB. Free memory was 57.0 MB in the beginning and 67.4 MB in the end (delta: -10.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:43:46,542 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 94.4 MB. Free memory is still 74.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:43:46,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.95 ms. Allocated memory is still 94.4 MB. Free memory was 56.8 MB in the beginning and 67.4 MB in the end (delta: -10.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:43:46,545 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 94.4 MB. Free memory is still 74.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 426.95 ms. Allocated memory is still 94.4 MB. Free memory was 56.8 MB in the beginning and 67.4 MB in the end (delta: -10.6 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: 209]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:43:48,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:43:48,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:43:48,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:43:48,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:43:48,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:43:48,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:43:48,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:43:48,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:43:49,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:43:49,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:43:49,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:43:49,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:43:49,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:43:49,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:43:49,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:43:49,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:43:49,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:43:49,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:43:49,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:43:49,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:43:49,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:43:49,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:43:49,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:43:49,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:43:49,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:43:49,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:43:49,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:43:49,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:43:49,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:43:49,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:43:49,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:43:49,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:43:49,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:43:49,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:43:49,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:43:49,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:43:49,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:43:49,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:43:49,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:43:49,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:43:49,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:43:49,127 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:43:49,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:43:49,129 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:43:49,129 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:43:49,129 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:43:49,130 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:43:49,130 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:43:49,130 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:43:49,130 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:43:49,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:43:49,133 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:43:49,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:43:49,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:43:49,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:43:49,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:43:49,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:43:49,135 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:43:49,135 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:43:49,135 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:43:49,135 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:43:49,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:43:49,136 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:43:49,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:43:49,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:43:49,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:43:49,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:43:49,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:43:49,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:43:49,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:43:49,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:43:49,138 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:43:49,138 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:43:49,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:43:49,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:43:49,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:43:49,139 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_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8451c8f3d8ff26b053ea0918ef208b2c50fd9de [2021-10-13 07:43:49,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:43:49,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:43:49,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:43:49,578 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:43:49,579 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:43:49,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2021-10-13 07:43:49,664 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/data/2a89577ea/97820cbc25e84874b967b356d6b58d5a/FLAG8303256ec [2021-10-13 07:43:50,239 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:43:50,240 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2021-10-13 07:43:50,252 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/data/2a89577ea/97820cbc25e84874b967b356d6b58d5a/FLAG8303256ec [2021-10-13 07:43:50,541 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/data/2a89577ea/97820cbc25e84874b967b356d6b58d5a [2021-10-13 07:43:50,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:43:50,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:43:50,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:43:50,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:43:50,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:43:50,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:43:50" (1/1) ... [2021-10-13 07:43:50,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@210a2cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:50, skipping insertion in model container [2021-10-13 07:43:50,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:43:50" (1/1) ... [2021-10-13 07:43:50,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:43:50,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:43:51,045 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_34202251-a395-45ee-adc6-b6aa713aac6e/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c[12713,12726] [2021-10-13 07:43:51,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:43:51,103 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:43:51,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:43:51,162 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_34202251-a395-45ee-adc6-b6aa713aac6e/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c[12713,12726] [2021-10-13 07:43:51,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:43:51,228 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:43:51,298 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_34202251-a395-45ee-adc6-b6aa713aac6e/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c[12713,12726] [2021-10-13 07:43:51,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:43:51,369 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:43:51,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:51 WrapperNode [2021-10-13 07:43:51,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:43:51,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:43:51,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:43:51,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:43:51,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:51" (1/1) ... [2021-10-13 07:43:51,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:51" (1/1) ... [2021-10-13 07:43:51,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:43:51,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:43:51,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:43:51,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:43:51,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:51" (1/1) ... [2021-10-13 07:43:51,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:51" (1/1) ... [2021-10-13 07:43:51,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:51" (1/1) ... [2021-10-13 07:43:51,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:51" (1/1) ... [2021-10-13 07:43:51,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:51" (1/1) ... [2021-10-13 07:43:51,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:51" (1/1) ... [2021-10-13 07:43:51,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:51" (1/1) ... [2021-10-13 07:43:51,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:43:51,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:43:51,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:43:51,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:43:51,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:51" (1/1) ... [2021-10-13 07:43:51,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:43:51,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:43:51,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:43:51,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:43:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:43:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:43:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:43:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:43:53,957 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:43:53,957 INFO L299 CfgBuilder]: Removed 200 assume(true) statements. [2021-10-13 07:43:53,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:43:53 BoogieIcfgContainer [2021-10-13 07:43:53,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:43:53,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:43:53,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:43:53,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:43:53,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:43:50" (1/3) ... [2021-10-13 07:43:53,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c41d3d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:43:53, skipping insertion in model container [2021-10-13 07:43:53,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:51" (2/3) ... [2021-10-13 07:43:53,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c41d3d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:43:53, skipping insertion in model container [2021-10-13 07:43:53,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:43:53" (3/3) ... [2021-10-13 07:43:53,968 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58.cil.c [2021-10-13 07:43:53,974 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:43:53,974 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 07:43:54,022 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:43:54,028 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:43:54,028 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 07:43:54,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 137 states have (on average 1.532846715328467) internal successors, (210), 140 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:54,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 07:43:54,053 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:43:54,053 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:43:54,054 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:43:54,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:43:54,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1179839814, now seen corresponding path program 1 times [2021-10-13 07:43:54,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:43:54,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21064546] [2021-10-13 07:43:54,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:43:54,074 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:43:54,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:43:54,077 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:43:54,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:43:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:43:54,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:43:54,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:43:54,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:54,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:43:54,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:54,512 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:43:54,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [21064546] [2021-10-13 07:43:54,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [21064546] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:43:54,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:43:54,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:43:54,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927896477] [2021-10-13 07:43:54,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:43:54,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:43:54,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:43:54,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:43:54,559 INFO L87 Difference]: Start difference. First operand has 141 states, 137 states have (on average 1.532846715328467) internal successors, (210), 140 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:54,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:43:54,595 INFO L93 Difference]: Finished difference Result 276 states and 413 transitions. [2021-10-13 07:43:54,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:43:54,597 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-13 07:43:54,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:43:54,607 INFO L225 Difference]: With dead ends: 276 [2021-10-13 07:43:54,608 INFO L226 Difference]: Without dead ends: 137 [2021-10-13 07:43:54,611 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:43:54,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-13 07:43:54,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-10-13 07:43:54,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 134 states have (on average 1.4776119402985075) internal successors, (198), 136 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:54,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 198 transitions. [2021-10-13 07:43:54,657 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 198 transitions. Word has length 18 [2021-10-13 07:43:54,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:43:54,658 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 198 transitions. [2021-10-13 07:43:54,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:54,658 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2021-10-13 07:43:54,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 07:43:54,660 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:43:54,660 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:43:54,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:43:54,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:43:54,873 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:43:54,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:43:54,874 INFO L82 PathProgramCache]: Analyzing trace with hash -2090870567, now seen corresponding path program 1 times [2021-10-13 07:43:54,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:43:54,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [76232004] [2021-10-13 07:43:54,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:43:54,875 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:43:54,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:43:54,877 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:43:54,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:43:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:43:55,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:43:55,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:43:55,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:55,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:43:55,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:55,227 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:43:55,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [76232004] [2021-10-13 07:43:55,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [76232004] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:43:55,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:43:55,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:43:55,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18612836] [2021-10-13 07:43:55,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:43:55,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:43:55,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:43:55,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:43:55,238 INFO L87 Difference]: Start difference. First operand 137 states and 198 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:55,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:43:55,276 INFO L93 Difference]: Finished difference Result 137 states and 198 transitions. [2021-10-13 07:43:55,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:43:55,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-13 07:43:55,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:43:55,281 INFO L225 Difference]: With dead ends: 137 [2021-10-13 07:43:55,282 INFO L226 Difference]: Without dead ends: 55 [2021-10-13 07:43:55,283 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:43:55,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-13 07:43:55,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-13 07:43:55,296 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) [2021-10-13 07:43:55,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-13 07:43:55,303 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2021-10-13 07:43:55,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:43:55,303 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-13 07:43:55,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:55,305 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-13 07:43:55,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 07:43:55,306 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:43:55,307 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:43:55,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-13 07:43:55,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:43:55,521 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:43:55,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:43:55,522 INFO L82 PathProgramCache]: Analyzing trace with hash -917137565, now seen corresponding path program 1 times [2021-10-13 07:43:55,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:43:55,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [926930253] [2021-10-13 07:43:55,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:43:55,523 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:43:55,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:43:55,524 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:43:55,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:43:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:43:55,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:43:55,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:43:55,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:55,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:43:55,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:55,917 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:43:55,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [926930253] [2021-10-13 07:43:55,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [926930253] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:43:55,919 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:43:55,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:43:55,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944745973] [2021-10-13 07:43:55,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:43:55,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:43:55,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:43:55,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:43:55,925 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:55,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:43:55,975 INFO L93 Difference]: Finished difference Result 104 states and 152 transitions. [2021-10-13 07:43:55,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:43:55,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 07:43:55,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:43:55,978 INFO L225 Difference]: With dead ends: 104 [2021-10-13 07:43:55,978 INFO L226 Difference]: Without dead ends: 55 [2021-10-13 07:43:55,981 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:43:55,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-13 07:43:55,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-13 07:43:55,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 54 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:55,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2021-10-13 07:43:55,998 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2021-10-13 07:43:55,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:43:55,998 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2021-10-13 07:43:55,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:56,000 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2021-10-13 07:43:56,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 07:43:56,002 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:43:56,002 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:43:56,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:43:56,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:43:56,220 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:43:56,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:43:56,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1642774406, now seen corresponding path program 1 times [2021-10-13 07:43:56,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:43:56,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947369592] [2021-10-13 07:43:56,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:43:56,223 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:43:56,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:43:56,226 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:43:56,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:43:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:43:56,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:43:56,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:43:56,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:56,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:43:56,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:56,568 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:43:56,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [947369592] [2021-10-13 07:43:56,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [947369592] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:43:56,569 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:43:56,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:43:56,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715881195] [2021-10-13 07:43:56,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:43:56,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:43:56,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:43:56,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:43:56,572 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:56,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:43:56,636 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2021-10-13 07:43:56,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:43:56,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 07:43:56,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:43:56,640 INFO L225 Difference]: With dead ends: 127 [2021-10-13 07:43:56,641 INFO L226 Difference]: Without dead ends: 78 [2021-10-13 07:43:56,641 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:43:56,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-10-13 07:43:56,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2021-10-13 07:43:56,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.4266666666666667) internal successors, (107), 75 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:56,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2021-10-13 07:43:56,665 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 26 [2021-10-13 07:43:56,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:43:56,666 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2021-10-13 07:43:56,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:56,666 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2021-10-13 07:43:56,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 07:43:56,672 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:43:56,672 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:43:56,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:43:56,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:43:56,886 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:43:56,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:43:56,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1904097010, now seen corresponding path program 1 times [2021-10-13 07:43:56,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:43:56,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1646495037] [2021-10-13 07:43:56,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:43:56,889 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:43:56,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:43:56,890 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:43:56,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:43:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:43:57,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:43:57,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:43:57,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:57,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:43:57,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:57,388 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:43:57,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1646495037] [2021-10-13 07:43:57,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1646495037] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:43:57,389 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:43:57,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 07:43:57,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689163761] [2021-10-13 07:43:57,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:43:57,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:43:57,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:43:57,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:43:57,392 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:57,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:43:57,818 INFO L93 Difference]: Finished difference Result 841 states and 1225 transitions. [2021-10-13 07:43:57,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-13 07:43:57,819 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-13 07:43:57,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:43:57,825 INFO L225 Difference]: With dead ends: 841 [2021-10-13 07:43:57,825 INFO L226 Difference]: Without dead ends: 771 [2021-10-13 07:43:57,827 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 134.7ms TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-13 07:43:57,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2021-10-13 07:43:57,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 186. [2021-10-13 07:43:57,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.4054054054054055) internal successors, (260), 185 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) [2021-10-13 07:43:57,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 260 transitions. [2021-10-13 07:43:57,882 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 260 transitions. Word has length 32 [2021-10-13 07:43:57,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:43:57,883 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 260 transitions. [2021-10-13 07:43:57,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:57,883 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 260 transitions. [2021-10-13 07:43:57,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 07:43:57,887 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:43:57,887 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:43:57,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:43:58,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:43:58,116 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:43:58,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:43:58,117 INFO L82 PathProgramCache]: Analyzing trace with hash 308706506, now seen corresponding path program 1 times [2021-10-13 07:43:58,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:43:58,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1151271153] [2021-10-13 07:43:58,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:43:58,118 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:43:58,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:43:58,119 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:43:58,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 07:43:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:43:58,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:43:58,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:43:58,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:58,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:43:58,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:58,541 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:43:58,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1151271153] [2021-10-13 07:43:58,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1151271153] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:43:58,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:43:58,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 07:43:58,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140501785] [2021-10-13 07:43:58,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:43:58,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:43:58,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:43:58,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:43:58,546 INFO L87 Difference]: Start difference. First operand 186 states and 260 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:58,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:43:58,635 INFO L93 Difference]: Finished difference Result 585 states and 826 transitions. [2021-10-13 07:43:58,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:43:58,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2021-10-13 07:43:58,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:43:58,639 INFO L225 Difference]: With dead ends: 585 [2021-10-13 07:43:58,639 INFO L226 Difference]: Without dead ends: 452 [2021-10-13 07:43:58,640 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:43:58,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2021-10-13 07:43:58,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 190. [2021-10-13 07:43:58,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.3862433862433863) internal successors, (262), 189 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:58,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 262 transitions. [2021-10-13 07:43:58,679 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 262 transitions. Word has length 33 [2021-10-13 07:43:58,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:43:58,679 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 262 transitions. [2021-10-13 07:43:58,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:58,680 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 262 transitions. [2021-10-13 07:43:58,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 07:43:58,682 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:43:58,682 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:43:58,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:43:58,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:43:58,897 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:43:58,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:43:58,898 INFO L82 PathProgramCache]: Analyzing trace with hash 566871944, now seen corresponding path program 1 times [2021-10-13 07:43:58,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:43:58,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1348345258] [2021-10-13 07:43:58,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:43:58,899 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:43:58,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:43:58,900 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:43:58,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 07:43:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:43:59,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:43:59,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:43:59,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:59,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:43:59,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:43:59,346 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:43:59,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1348345258] [2021-10-13 07:43:59,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1348345258] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:43:59,347 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:43:59,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:43:59,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050858172] [2021-10-13 07:43:59,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:43:59,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:43:59,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:43:59,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:43:59,349 INFO L87 Difference]: Start difference. First operand 190 states and 262 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 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) [2021-10-13 07:43:59,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:43:59,496 INFO L93 Difference]: Finished difference Result 720 states and 1006 transitions. [2021-10-13 07:43:59,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:43:59,497 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 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 33 [2021-10-13 07:43:59,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:43:59,500 INFO L225 Difference]: With dead ends: 720 [2021-10-13 07:43:59,500 INFO L226 Difference]: Without dead ends: 536 [2021-10-13 07:43:59,501 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 51.0ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:43:59,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-10-13 07:43:59,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 199. [2021-10-13 07:43:59,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 198 states have (on average 1.3585858585858586) internal successors, (269), 198 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:43:59,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 269 transitions. [2021-10-13 07:43:59,532 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 269 transitions. Word has length 33 [2021-10-13 07:43:59,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:43:59,532 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 269 transitions. [2021-10-13 07:43:59,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 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) [2021-10-13 07:43:59,533 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 269 transitions. [2021-10-13 07:43:59,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 07:43:59,534 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:43:59,534 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:43:59,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 07:43:59,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:43:59,746 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:43:59,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:43:59,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1083058712, now seen corresponding path program 1 times [2021-10-13 07:43:59,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:43:59,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1672427500] [2021-10-13 07:43:59,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:43:59,748 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:43:59,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:43:59,749 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:43:59,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 07:43:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:44:00,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:44:00,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:44:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:44:00,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:44:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:44:00,274 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:44:00,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1672427500] [2021-10-13 07:44:00,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1672427500] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:44:00,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:44:00,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:44:00,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678887657] [2021-10-13 07:44:00,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:44:00,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:44:00,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:44:00,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:44:00,276 INFO L87 Difference]: Start difference. First operand 199 states and 269 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:00,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:44:00,724 INFO L93 Difference]: Finished difference Result 1566 states and 2101 transitions. [2021-10-13 07:44:00,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-13 07:44:00,725 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2021-10-13 07:44:00,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:44:00,734 INFO L225 Difference]: With dead ends: 1566 [2021-10-13 07:44:00,734 INFO L226 Difference]: Without dead ends: 1373 [2021-10-13 07:44:00,735 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 102.4ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-10-13 07:44:00,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2021-10-13 07:44:00,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 390. [2021-10-13 07:44:00,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 389 states have (on average 1.3367609254498716) internal successors, (520), 389 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:00,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 520 transitions. [2021-10-13 07:44:00,818 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 520 transitions. Word has length 36 [2021-10-13 07:44:00,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:44:00,818 INFO L470 AbstractCegarLoop]: Abstraction has 390 states and 520 transitions. [2021-10-13 07:44:00,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:00,819 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 520 transitions. [2021-10-13 07:44:00,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 07:44:00,820 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:44:00,820 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:44:00,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 07:44:01,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:44:01,033 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:44:01,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:44:01,033 INFO L82 PathProgramCache]: Analyzing trace with hash -403000342, now seen corresponding path program 1 times [2021-10-13 07:44:01,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:44:01,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481874011] [2021-10-13 07:44:01,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:44:01,034 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:44:01,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:44:01,035 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:44:01,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 07:44:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:44:01,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:44:01,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:44:01,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:44:01,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:44:01,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:44:01,594 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:44:01,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1481874011] [2021-10-13 07:44:01,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1481874011] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:44:01,595 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:44:01,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:44:01,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514876671] [2021-10-13 07:44:01,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:44:01,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:44:01,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:44:01,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:44:01,596 INFO L87 Difference]: Start difference. First operand 390 states and 520 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:04,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:44:04,545 INFO L93 Difference]: Finished difference Result 1099 states and 1487 transitions. [2021-10-13 07:44:04,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 07:44:04,546 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 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 36 [2021-10-13 07:44:04,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:44:04,551 INFO L225 Difference]: With dead ends: 1099 [2021-10-13 07:44:04,551 INFO L226 Difference]: Without dead ends: 715 [2021-10-13 07:44:04,552 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 74.7ms TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-10-13 07:44:04,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2021-10-13 07:44:04,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 320. [2021-10-13 07:44:04,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 319 states have (on average 1.2946708463949843) internal successors, (413), 319 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:04,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 413 transitions. [2021-10-13 07:44:04,635 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 413 transitions. Word has length 36 [2021-10-13 07:44:04,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:44:04,635 INFO L470 AbstractCegarLoop]: Abstraction has 320 states and 413 transitions. [2021-10-13 07:44:04,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:04,636 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 413 transitions. [2021-10-13 07:44:04,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 07:44:04,637 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:44:04,637 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:44:04,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 07:44:04,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:44:04,851 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:44:04,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:44:04,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1138138450, now seen corresponding path program 1 times [2021-10-13 07:44:04,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:44:04,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [435985553] [2021-10-13 07:44:04,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:44:04,853 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:44:04,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:44:04,854 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:44:04,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 07:44:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:44:05,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:44:05,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:44:05,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:44:05,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:44:05,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:44:05,446 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:44:05,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [435985553] [2021-10-13 07:44:05,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [435985553] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:44:05,446 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:44:05,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:44:05,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506277428] [2021-10-13 07:44:05,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:44:05,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:44:05,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:44:05,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:44:05,448 INFO L87 Difference]: Start difference. First operand 320 states and 413 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:08,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:44:08,509 INFO L93 Difference]: Finished difference Result 1022 states and 1308 transitions. [2021-10-13 07:44:08,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 07:44:08,510 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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 37 [2021-10-13 07:44:08,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:44:08,514 INFO L225 Difference]: With dead ends: 1022 [2021-10-13 07:44:08,515 INFO L226 Difference]: Without dead ends: 708 [2021-10-13 07:44:08,516 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 86.2ms TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-10-13 07:44:08,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2021-10-13 07:44:08,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 300. [2021-10-13 07:44:08,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 299 states have (on average 1.2675585284280937) internal successors, (379), 299 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:08,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 379 transitions. [2021-10-13 07:44:08,576 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 379 transitions. Word has length 37 [2021-10-13 07:44:08,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:44:08,576 INFO L470 AbstractCegarLoop]: Abstraction has 300 states and 379 transitions. [2021-10-13 07:44:08,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:08,576 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 379 transitions. [2021-10-13 07:44:08,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-13 07:44:08,578 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:44:08,578 INFO L512 BasicCegarLoop]: trace histogram [2, 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] [2021-10-13 07:44:08,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 07:44:08,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:44:08,791 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:44:08,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:44:08,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1662475767, now seen corresponding path program 1 times [2021-10-13 07:44:08,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:44:08,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824555213] [2021-10-13 07:44:08,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:44:08,793 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:44:08,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:44:08,794 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:44:08,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-13 07:44:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:44:09,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:44:09,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:44:09,330 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 07:44:09,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:44:09,524 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 07:44:09,525 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:44:09,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824555213] [2021-10-13 07:44:09,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1824555213] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:44:09,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:44:09,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-13 07:44:09,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556421399] [2021-10-13 07:44:09,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:44:09,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:44:09,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:44:09,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:44:09,527 INFO L87 Difference]: Start difference. First operand 300 states and 379 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:12,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:44:12,482 INFO L93 Difference]: Finished difference Result 1034 states and 1338 transitions. [2021-10-13 07:44:12,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:44:12,483 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 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 [2021-10-13 07:44:12,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:44:12,488 INFO L225 Difference]: With dead ends: 1034 [2021-10-13 07:44:12,489 INFO L226 Difference]: Without dead ends: 836 [2021-10-13 07:44:12,489 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:44:12,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2021-10-13 07:44:12,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 695. [2021-10-13 07:44:12,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 694 states have (on average 1.260806916426513) internal successors, (875), 694 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:12,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 875 transitions. [2021-10-13 07:44:12,629 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 875 transitions. Word has length 56 [2021-10-13 07:44:12,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:44:12,629 INFO L470 AbstractCegarLoop]: Abstraction has 695 states and 875 transitions. [2021-10-13 07:44:12,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:12,630 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 875 transitions. [2021-10-13 07:44:12,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-13 07:44:12,631 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:44:12,631 INFO L512 BasicCegarLoop]: trace histogram [2, 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] [2021-10-13 07:44:12,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-13 07:44:12,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:44:12,844 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:44:12,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:44:12,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1478001787, now seen corresponding path program 1 times [2021-10-13 07:44:12,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:44:12,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1025408308] [2021-10-13 07:44:12,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:44:12,846 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:44:12,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:44:12,847 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:44:12,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-13 07:44:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:44:13,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:44:13,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:44:13,473 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:44:13,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:44:13,654 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:44:13,654 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:44:13,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1025408308] [2021-10-13 07:44:13,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1025408308] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:44:13,654 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:44:13,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 07:44:13,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622529504] [2021-10-13 07:44:13,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:44:13,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:44:13,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:44:13,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:44:13,656 INFO L87 Difference]: Start difference. First operand 695 states and 875 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:13,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:44:13,942 INFO L93 Difference]: Finished difference Result 1785 states and 2242 transitions. [2021-10-13 07:44:13,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:44:13,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 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 [2021-10-13 07:44:13,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:44:13,950 INFO L225 Difference]: With dead ends: 1785 [2021-10-13 07:44:13,950 INFO L226 Difference]: Without dead ends: 1096 [2021-10-13 07:44:13,951 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 39.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:44:13,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2021-10-13 07:44:14,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 695. [2021-10-13 07:44:14,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 694 states have (on average 1.239193083573487) internal successors, (860), 694 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:14,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 860 transitions. [2021-10-13 07:44:14,080 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 860 transitions. Word has length 56 [2021-10-13 07:44:14,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:44:14,080 INFO L470 AbstractCegarLoop]: Abstraction has 695 states and 860 transitions. [2021-10-13 07:44:14,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:14,081 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 860 transitions. [2021-10-13 07:44:14,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-13 07:44:14,082 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:44:14,082 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2021-10-13 07:44:14,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-13 07:44:14,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:44:14,296 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:44:14,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:44:14,296 INFO L82 PathProgramCache]: Analyzing trace with hash 458072168, now seen corresponding path program 1 times [2021-10-13 07:44:14,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:44:14,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [215476586] [2021-10-13 07:44:14,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:44:14,297 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:44:14,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:44:14,298 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:44:14,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-13 07:44:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:44:14,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 07:44:14,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:44:14,910 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:44:14,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:44:15,071 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:44:15,071 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:44:15,071 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [215476586] [2021-10-13 07:44:15,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [215476586] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:44:15,071 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:44:15,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:44:15,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273697495] [2021-10-13 07:44:15,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:44:15,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:44:15,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:44:15,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:44:15,073 INFO L87 Difference]: Start difference. First operand 695 states and 860 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:16,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:44:16,792 INFO L93 Difference]: Finished difference Result 2661 states and 3289 transitions. [2021-10-13 07:44:16,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-13 07:44:16,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 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 58 [2021-10-13 07:44:16,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:44:16,803 INFO L225 Difference]: With dead ends: 2661 [2021-10-13 07:44:16,804 INFO L226 Difference]: Without dead ends: 2064 [2021-10-13 07:44:16,805 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 68.9ms TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-10-13 07:44:16,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2021-10-13 07:44:16,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 887. [2021-10-13 07:44:16,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 886 states have (on average 1.2302483069977426) internal successors, (1090), 886 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:16,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1090 transitions. [2021-10-13 07:44:16,997 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1090 transitions. Word has length 58 [2021-10-13 07:44:16,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:44:16,997 INFO L470 AbstractCegarLoop]: Abstraction has 887 states and 1090 transitions. [2021-10-13 07:44:16,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:16,998 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1090 transitions. [2021-10-13 07:44:16,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-13 07:44:16,999 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:44:16,999 INFO L512 BasicCegarLoop]: trace histogram [2, 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] [2021-10-13 07:44:17,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-13 07:44:17,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:44:17,222 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:44:17,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:44:17,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1406981893, now seen corresponding path program 1 times [2021-10-13 07:44:17,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:44:17,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200165106] [2021-10-13 07:44:17,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:44:17,224 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:44:17,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:44:17,225 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:44:17,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-13 07:44:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:44:17,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:44:17,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:44:17,805 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 07:44:17,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:44:17,972 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 07:44:17,972 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:44:17,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [200165106] [2021-10-13 07:44:17,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [200165106] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:44:17,972 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:44:17,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-13 07:44:17,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018558822] [2021-10-13 07:44:17,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 07:44:17,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:44:17,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 07:44:17,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:44:17,974 INFO L87 Difference]: Start difference. First operand 887 states and 1090 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:20,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:44:20,833 INFO L93 Difference]: Finished difference Result 2687 states and 3312 transitions. [2021-10-13 07:44:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 07:44:20,833 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 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 58 [2021-10-13 07:44:20,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:44:20,843 INFO L225 Difference]: With dead ends: 2687 [2021-10-13 07:44:20,843 INFO L226 Difference]: Without dead ends: 1878 [2021-10-13 07:44:20,845 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 95.4ms TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2021-10-13 07:44:20,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2021-10-13 07:44:21,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 853. [2021-10-13 07:44:21,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 852 states have (on average 1.2241784037558685) internal successors, (1043), 852 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:21,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1043 transitions. [2021-10-13 07:44:21,015 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1043 transitions. Word has length 58 [2021-10-13 07:44:21,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:44:21,015 INFO L470 AbstractCegarLoop]: Abstraction has 853 states and 1043 transitions. [2021-10-13 07:44:21,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:21,016 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1043 transitions. [2021-10-13 07:44:21,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-13 07:44:21,017 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:44:21,017 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2021-10-13 07:44:21,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-13 07:44:21,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:44:21,230 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:44:21,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:44:21,230 INFO L82 PathProgramCache]: Analyzing trace with hash 510681402, now seen corresponding path program 1 times [2021-10-13 07:44:21,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:44:21,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [173340449] [2021-10-13 07:44:21,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:44:21,231 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:44:21,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:44:21,232 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:44:21,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-13 07:44:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:44:21,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:44:21,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:44:21,738 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:44:21,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:44:21,875 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:44:21,875 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:44:21,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [173340449] [2021-10-13 07:44:21,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [173340449] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:44:21,875 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:44:21,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:44:21,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076591927] [2021-10-13 07:44:21,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:44:21,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:44:21,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:44:21,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:44:21,877 INFO L87 Difference]: Start difference. First operand 853 states and 1043 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 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) [2021-10-13 07:44:22,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:44:22,095 INFO L93 Difference]: Finished difference Result 1915 states and 2353 transitions. [2021-10-13 07:44:22,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:44:22,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 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 58 [2021-10-13 07:44:22,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:44:22,102 INFO L225 Difference]: With dead ends: 1915 [2021-10-13 07:44:22,102 INFO L226 Difference]: Without dead ends: 1068 [2021-10-13 07:44:22,107 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:44:22,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2021-10-13 07:44:22,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 853. [2021-10-13 07:44:22,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 852 states have (on average 1.2147887323943662) internal successors, (1035), 852 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:22,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1035 transitions. [2021-10-13 07:44:22,281 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1035 transitions. Word has length 58 [2021-10-13 07:44:22,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:44:22,281 INFO L470 AbstractCegarLoop]: Abstraction has 853 states and 1035 transitions. [2021-10-13 07:44:22,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 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) [2021-10-13 07:44:22,282 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1035 transitions. [2021-10-13 07:44:22,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-13 07:44:22,283 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:44:22,283 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2021-10-13 07:44:22,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-13 07:44:22,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:44:22,497 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:44:22,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:44:22,498 INFO L82 PathProgramCache]: Analyzing trace with hash -518677896, now seen corresponding path program 1 times [2021-10-13 07:44:22,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:44:22,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731903009] [2021-10-13 07:44:22,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:44:22,498 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:44:22,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:44:22,499 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:44:22,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-13 07:44:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:44:22,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:44:22,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:44:23,075 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:44:23,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:44:23,200 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:44:23,200 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:44:23,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1731903009] [2021-10-13 07:44:23,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1731903009] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:44:23,200 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:44:23,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 07:44:23,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666778224] [2021-10-13 07:44:23,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:44:23,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:44:23,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:44:23,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:44:23,201 INFO L87 Difference]: Start difference. First operand 853 states and 1035 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:23,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:44:23,417 INFO L93 Difference]: Finished difference Result 1825 states and 2239 transitions. [2021-10-13 07:44:23,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:44:23,418 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 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 58 [2021-10-13 07:44:23,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:44:23,424 INFO L225 Difference]: With dead ends: 1825 [2021-10-13 07:44:23,424 INFO L226 Difference]: Without dead ends: 978 [2021-10-13 07:44:23,426 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 19.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:44:23,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2021-10-13 07:44:23,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 725. [2021-10-13 07:44:23,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 724 states have (on average 1.2223756906077348) internal successors, (885), 724 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:23,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 885 transitions. [2021-10-13 07:44:23,571 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 885 transitions. Word has length 58 [2021-10-13 07:44:23,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:44:23,572 INFO L470 AbstractCegarLoop]: Abstraction has 725 states and 885 transitions. [2021-10-13 07:44:23,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:23,572 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 885 transitions. [2021-10-13 07:44:23,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-13 07:44:23,572 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:44:23,573 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:44:23,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-13 07:44:23,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:44:23,776 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:44:23,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:44:23,776 INFO L82 PathProgramCache]: Analyzing trace with hash -427006253, now seen corresponding path program 1 times [2021-10-13 07:44:23,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:44:23,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1000587915] [2021-10-13 07:44:23,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:44:23,777 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:44:23,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:44:23,777 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:44:23,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-13 07:44:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:44:24,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:44:24,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:44:24,420 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:44:24,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:44:24,661 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:44:24,661 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:44:24,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1000587915] [2021-10-13 07:44:24,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1000587915] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:44:24,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [384243311] [2021-10-13 07:44:24,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:44:24,662 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:44:24,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:44:24,667 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:44:24,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-10-13 07:44:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:44:25,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:44:25,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:44:25,383 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 07:44:25,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:44:25,487 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 07:44:25,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [384243311] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:44:25,487 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 07:44:25,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 11 [2021-10-13 07:44:25,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112137977] [2021-10-13 07:44:25,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:44:25,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:44:25,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:44:25,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-13 07:44:25,489 INFO L87 Difference]: Start difference. First operand 725 states and 885 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:25,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:44:25,735 INFO L93 Difference]: Finished difference Result 1713 states and 2106 transitions. [2021-10-13 07:44:25,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:44:25,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 60 [2021-10-13 07:44:25,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:44:25,741 INFO L225 Difference]: With dead ends: 1713 [2021-10-13 07:44:25,741 INFO L226 Difference]: Without dead ends: 994 [2021-10-13 07:44:25,743 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 94.1ms TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-13 07:44:25,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2021-10-13 07:44:25,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 752. [2021-10-13 07:44:25,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 751 states have (on average 1.214380825565912) internal successors, (912), 751 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:25,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 912 transitions. [2021-10-13 07:44:25,904 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 912 transitions. Word has length 60 [2021-10-13 07:44:25,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:44:25,905 INFO L470 AbstractCegarLoop]: Abstraction has 752 states and 912 transitions. [2021-10-13 07:44:25,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:25,905 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 912 transitions. [2021-10-13 07:44:25,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-13 07:44:25,909 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:44:25,910 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:44:25,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2021-10-13 07:44:26,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-13 07:44:26,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:44:26,313 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:44:26,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:44:26,313 INFO L82 PathProgramCache]: Analyzing trace with hash -168840815, now seen corresponding path program 1 times [2021-10-13 07:44:26,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:44:26,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1083539487] [2021-10-13 07:44:26,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:44:26,314 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:44:26,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:44:26,315 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:44:26,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-13 07:44:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:44:26,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:44:26,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:44:27,114 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:44:27,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:44:27,367 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:44:27,368 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:44:27,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1083539487] [2021-10-13 07:44:27,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1083539487] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:44:27,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [705322928] [2021-10-13 07:44:27,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:44:27,368 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:44:27,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:44:27,369 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:44:27,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-10-13 07:44:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:44:27,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:44:27,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:44:28,223 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:44:28,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:44:28,459 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:44:28,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [705322928] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:44:28,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203848524] [2021-10-13 07:44:28,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:44:28,460 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:44:28,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:44:28,461 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:44:28,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-10-13 07:44:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:44:29,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 07:44:29,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:44:29,238 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:44:29,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:44:29,434 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:44:29,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203848524] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-13 07:44:29,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-10-13 07:44:29,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 5, 5, 8] total 14 [2021-10-13 07:44:29,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788654439] [2021-10-13 07:44:29,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:44:29,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:44:29,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:44:29,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-10-13 07:44:29,437 INFO L87 Difference]: Start difference. First operand 752 states and 912 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:30,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:44:30,393 INFO L93 Difference]: Finished difference Result 4053 states and 4965 transitions. [2021-10-13 07:44:30,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-13 07:44:30,394 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-10-13 07:44:30,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:44:30,410 INFO L225 Difference]: With dead ends: 4053 [2021-10-13 07:44:30,410 INFO L226 Difference]: Without dead ends: 3307 [2021-10-13 07:44:30,412 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 318.8ms TimeCoverageRelationStatistics Valid=163, Invalid=539, Unknown=0, NotChecked=0, Total=702 [2021-10-13 07:44:30,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3307 states. [2021-10-13 07:44:30,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3307 to 1085. [2021-10-13 07:44:30,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1084 states have (on average 1.227859778597786) internal successors, (1331), 1084 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:30,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1331 transitions. [2021-10-13 07:44:30,642 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1331 transitions. Word has length 60 [2021-10-13 07:44:30,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:44:30,643 INFO L470 AbstractCegarLoop]: Abstraction has 1085 states and 1331 transitions. [2021-10-13 07:44:30,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:30,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1331 transitions. [2021-10-13 07:44:30,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-10-13 07:44:30,644 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:44:30,645 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-13 07:44:30,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-10-13 07:44:30,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2021-10-13 07:44:31,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-10-13 07:44:31,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:44:31,258 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:44:31,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:44:31,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1679536519, now seen corresponding path program 1 times [2021-10-13 07:44:31,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:44:31,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [101842630] [2021-10-13 07:44:31,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:44:31,260 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:44:31,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:44:31,260 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:44:31,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-10-13 07:44:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:44:31,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:44:31,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:44:32,203 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-13 07:44:32,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:44:32,489 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-13 07:44:32,489 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:44:32,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [101842630] [2021-10-13 07:44:32,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [101842630] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:44:32,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [602481597] [2021-10-13 07:44:32,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:44:32,490 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:44:32,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:44:32,491 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:44:32,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2021-10-13 07:44:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:44:33,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 07:44:33,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:44:33,541 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-13 07:44:33,541 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:44:33,866 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-13 07:44:33,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [602481597] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:44:33,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086323500] [2021-10-13 07:44:33,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:44:33,867 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:44:33,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:44:33,868 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:44:33,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-10-13 07:44:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:44:34,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 07:44:34,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:44:34,860 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-13 07:44:34,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:44:35,102 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:44:35,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086323500] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:44:35,103 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 07:44:35,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 6, 8, 9] total 20 [2021-10-13 07:44:35,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856982232] [2021-10-13 07:44:35,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-13 07:44:35,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:44:35,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-13 07:44:35,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2021-10-13 07:44:35,105 INFO L87 Difference]: Start difference. First operand 1085 states and 1331 transitions. Second operand has 20 states, 20 states have (on average 12.8) internal successors, (256), 20 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:38,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:44:38,049 INFO L93 Difference]: Finished difference Result 3922 states and 4859 transitions. [2021-10-13 07:44:38,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-13 07:44:38,050 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 12.8) internal successors, (256), 20 states have internal predecessors, (256), 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 83 [2021-10-13 07:44:38,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:44:38,050 INFO L225 Difference]: With dead ends: 3922 [2021-10-13 07:44:38,050 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:44:38,055 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 900 ImplicationChecksByTransitivity, 758.7ms TimeCoverageRelationStatistics Valid=668, Invalid=2992, Unknown=0, NotChecked=0, Total=3660 [2021-10-13 07:44:38,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:44:38,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:44:38,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:38,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:44:38,056 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-10-13 07:44:38,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:44:38,057 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:44:38,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 12.8) internal successors, (256), 20 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:44:38,057 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:44:38,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:44:38,060 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:44:38,060 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:44:38,060 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:44:38,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2021-10-13 07:44:38,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-10-13 07:44:38,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-10-13 07:44:38,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:44:38,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:44:38,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:38,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:38,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:38,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:38,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:38,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:38,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:38,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:38,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:40,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:41,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:41,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:41,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:41,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:42,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:42,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:42,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:42,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:42,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:43,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:48,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:48,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:48,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:48,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:48,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:48,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:54,078 WARN L207 SmtUtils]: Spent 5.45 s on a formula simplification. DAG size of input: 941 DAG size of output: 801 [2021-10-13 07:44:54,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:54,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:54,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:54,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:54,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:54,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:54,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:54,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:54,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:54,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:54,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:54,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:54,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:54,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:54,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:55,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:59,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:59,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:59,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:59,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:44:59,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:45:00,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:45:00,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:45:00,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:45:06,034 WARN L207 SmtUtils]: Spent 5.41 s on a formula simplification. DAG size of input: 941 DAG size of output: 801 [2021-10-13 07:45:06,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:45:06,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:45:06,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:45:06,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:45:06,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:45:06,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:45:06,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:45:06,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:45:27,270 WARN L207 SmtUtils]: Spent 10.43 s on a formula simplification. DAG size of input: 722 DAG size of output: 46 [2021-10-13 07:45:42,546 WARN L207 SmtUtils]: Spent 13.45 s on a formula simplification. DAG size of input: 764 DAG size of output: 62 [2021-10-13 07:46:02,021 WARN L207 SmtUtils]: Spent 13.71 s on a formula simplification. DAG size of input: 712 DAG size of output: 77 [2021-10-13 07:46:08,820 WARN L207 SmtUtils]: Spent 5.92 s on a formula simplification. DAG size of input: 479 DAG size of output: 85 [2021-10-13 07:46:22,343 WARN L207 SmtUtils]: Spent 13.51 s on a formula simplification. DAG size of input: 764 DAG size of output: 62 [2021-10-13 07:46:22,354 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2021-10-13 07:46:22,355 INFO L853 garLoopResultBuilder]: At program point L168(lines 1 991) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:46:22,355 INFO L853 garLoopResultBuilder]: At program point L961(lines 946 964) the Hoare annotation is: false [2021-10-13 07:46:22,355 INFO L853 garLoopResultBuilder]: At program point L961-1(lines 946 964) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse12 (not .cse2)) (.cse14 (= ~waterLevel~0 (_ bv0 32))) (.cse15 (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32))) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse13 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse17 (= ~waterLevel~0 (_ bv1 32))) (.cse16 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse10 .cse11 .cse12 .cse4 .cse13 .cse14 .cse15 .cse16 .cse8) (and .cse9 .cse1 .cse10 .cse12 .cse4 .cse13 .cse14 .cse15 .cse7 .cse16 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse11 .cse4 .cse5 .cse6 .cse8) (and .cse9 .cse1 .cse10 .cse4 .cse13 .cse17 .cse7 .cse16 .cse8) (and .cse9 .cse1 .cse10 .cse11 .cse4 .cse13 .cse17 .cse16 .cse8)))) [2021-10-13 07:46:22,355 INFO L853 garLoopResultBuilder]: At program point L961-2(lines 946 964) the Hoare annotation is: false [2021-10-13 07:46:22,355 INFO L853 garLoopResultBuilder]: At program point L961-3(lines 946 964) the Hoare annotation is: false [2021-10-13 07:46:22,355 INFO L853 garLoopResultBuilder]: At program point L961-4(lines 946 964) the Hoare annotation is: false [2021-10-13 07:46:22,355 INFO L853 garLoopResultBuilder]: At program point L961-5(lines 946 964) the Hoare annotation is: false [2021-10-13 07:46:22,356 INFO L857 garLoopResultBuilder]: For program point L731(lines 731 737) no Hoare annotation was computed. [2021-10-13 07:46:22,356 INFO L853 garLoopResultBuilder]: At program point L731-1(lines 731 737) the Hoare annotation is: (let ((.cse6 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse11 (= ~waterLevel~0 (_ bv0 32))) (.cse13 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse12 (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_processEnvironment_~tmp~7 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 (_ bv2 32))) (.cse14 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse9 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~8 (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse15 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse9 .cse4 .cse10) (and .cse0 .cse9 .cse4 .cse11 .cse12 .cse10) (and .cse0 .cse8 .cse4 .cse7 .cse10) (and .cse0 .cse4 .cse11 .cse12 .cse7 .cse10) (and .cse0 .cse4 .cse5 .cse7 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse11 .cse6 .cse7) (and .cse0 .cse9 .cse4 .cse5 .cse10) (and .cse0 .cse1 .cse2 .cse9 .cse3 .cse4 .cse11) (and .cse0 .cse1 .cse8 .cse9 .cse3 .cse13 .cse4 .cse12) (and .cse0 .cse1 .cse8 .cse14 .cse3 .cse4 .cse15 .cse7) (and .cse0 .cse1 .cse8 .cse3 .cse13 .cse4 .cse12 .cse7) (and .cse0 .cse1 .cse2 .cse9 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse8 .cse14 .cse9 .cse3 .cse4 .cse15))) [2021-10-13 07:46:22,356 INFO L853 garLoopResultBuilder]: At program point L897(lines 890 900) the Hoare annotation is: false [2021-10-13 07:46:22,356 INFO L853 garLoopResultBuilder]: At program point L897-1(lines 890 900) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse5 .cse6 .cse7 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse8))) [2021-10-13 07:46:22,356 INFO L853 garLoopResultBuilder]: At program point L897-2(lines 890 900) the Hoare annotation is: false [2021-10-13 07:46:22,356 INFO L853 garLoopResultBuilder]: At program point L897-3(lines 890 900) the Hoare annotation is: false [2021-10-13 07:46:22,357 INFO L853 garLoopResultBuilder]: At program point L897-4(lines 890 900) the Hoare annotation is: false [2021-10-13 07:46:22,357 INFO L853 garLoopResultBuilder]: At program point L897-5(lines 890 900) the Hoare annotation is: false [2021-10-13 07:46:22,357 INFO L853 garLoopResultBuilder]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:46:22,357 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 572) no Hoare annotation was computed. [2021-10-13 07:46:22,357 INFO L857 garLoopResultBuilder]: For program point L568-3(lines 568 572) no Hoare annotation was computed. [2021-10-13 07:46:22,358 INFO L857 garLoopResultBuilder]: For program point L568-6(lines 568 572) no Hoare annotation was computed. [2021-10-13 07:46:22,358 INFO L860 garLoopResultBuilder]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-10-13 07:46:22,358 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 852) no Hoare annotation was computed. [2021-10-13 07:46:22,358 INFO L857 garLoopResultBuilder]: For program point L835-1(lines 835 852) no Hoare annotation was computed. [2021-10-13 07:46:22,358 INFO L857 garLoopResultBuilder]: For program point L835-2(lines 835 852) no Hoare annotation was computed. [2021-10-13 07:46:22,359 INFO L853 garLoopResultBuilder]: At program point L637(lines 632 640) the Hoare annotation is: (let ((.cse12 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse3 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (not .cse12)) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse8 (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= (_ bv1 32) ~pumpRunning~0)) (.cse15 (= ULTIMATE.start_processEnvironment_~tmp~7 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse11 (= ULTIMATE.start_activatePump_~tmp~8 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse13 (= ~waterLevel~0 (_ bv0 32))) (.cse14 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse10 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse11 .cse4 .cse5 .cse7 .cse12) (and (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv1 32)) .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6) .cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse9) (and .cse0 .cse1 .cse2 .cse11 .cse4 .cse5 .cse7 .cse9)) .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse13 .cse14 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse15 .cse1 .cse2 .cse11 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse10 .cse15 .cse2 .cse11 .cse4 .cse5 .cse13 .cse14 .cse7)))) [2021-10-13 07:46:22,359 INFO L853 garLoopResultBuilder]: At program point L637-1(lines 632 640) the Hoare annotation is: false [2021-10-13 07:46:22,359 INFO L853 garLoopResultBuilder]: At program point L637-2(lines 632 640) the Hoare annotation is: false [2021-10-13 07:46:22,359 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2021-10-13 07:46:22,360 INFO L853 garLoopResultBuilder]: At program point L605(lines 600 608) the Hoare annotation is: false [2021-10-13 07:46:22,360 INFO L853 garLoopResultBuilder]: At program point L605-1(lines 600 608) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse8))) [2021-10-13 07:46:22,360 INFO L853 garLoopResultBuilder]: At program point L605-2(lines 600 608) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse8 (= ~waterLevel~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ULTIMATE.start_processEnvironment_~tmp~7 (_ bv0 32))) (.cse11 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse13 (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_activatePump_~tmp~8 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse14 (not .cse2)) (.cse12 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse9 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse15 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse4 .cse6 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse7 .cse4 .cse11 .cse6 .cse12 .cse13 .cse9 .cse10) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5 .cse6 .cse8) (and .cse0 .cse3 .cse14 .cse5 .cse6 .cse12 .cse13 .cse15) (and .cse0 .cse3 .cse14 .cse5 .cse6 .cse8 .cse13 .cse15) (and .cse0 .cse14 .cse6 .cse8 .cse13 .cse9 .cse10 .cse15) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse11 .cse5 .cse6 .cse12 .cse13) (and (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv1 32)) .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse3 .cse5 .cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse15) (and .cse0 .cse3 .cse4 .cse5 .cse6 .cse15)) .cse12) (and .cse0 .cse14 .cse6 .cse12 .cse9 .cse10 .cse15) (and .cse0 .cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse6 (= ULTIMATE.start_activatePump_~tmp~8 (_ bv1 32)) .cse9 .cse10 .cse15)))) [2021-10-13 07:46:22,360 INFO L853 garLoopResultBuilder]: At program point L605-3(lines 600 608) the Hoare annotation is: false [2021-10-13 07:46:22,361 INFO L853 garLoopResultBuilder]: At program point L605-4(lines 600 608) the Hoare annotation is: false [2021-10-13 07:46:22,361 INFO L853 garLoopResultBuilder]: At program point L605-5(lines 600 608) the Hoare annotation is: false [2021-10-13 07:46:22,361 INFO L853 garLoopResultBuilder]: At program point L605-6(lines 600 608) the Hoare annotation is: false [2021-10-13 07:46:22,361 INFO L853 garLoopResultBuilder]: At program point L605-7(lines 600 608) the Hoare annotation is: false [2021-10-13 07:46:22,361 INFO L853 garLoopResultBuilder]: At program point L605-8(lines 600 608) the Hoare annotation is: false [2021-10-13 07:46:22,362 INFO L853 garLoopResultBuilder]: At program point L176(lines 171 179) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:46:22,362 INFO L857 garLoopResultBuilder]: For program point L872(lines 872 878) no Hoare annotation was computed. [2021-10-13 07:46:22,362 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 847) no Hoare annotation was computed. [2021-10-13 07:46:22,362 INFO L857 garLoopResultBuilder]: For program point L872-2(lines 872 878) no Hoare annotation was computed. [2021-10-13 07:46:22,362 INFO L857 garLoopResultBuilder]: For program point L839-1(lines 839 847) no Hoare annotation was computed. [2021-10-13 07:46:22,362 INFO L857 garLoopResultBuilder]: For program point L839-2(lines 839 847) no Hoare annotation was computed. [2021-10-13 07:46:22,362 INFO L857 garLoopResultBuilder]: For program point L872-4(lines 872 878) no Hoare annotation was computed. [2021-10-13 07:46:22,363 INFO L857 garLoopResultBuilder]: For program point L872-6(lines 872 878) no Hoare annotation was computed. [2021-10-13 07:46:22,363 INFO L857 garLoopResultBuilder]: For program point L872-8(lines 872 878) no Hoare annotation was computed. [2021-10-13 07:46:22,363 INFO L857 garLoopResultBuilder]: For program point L872-10(lines 872 878) no Hoare annotation was computed. [2021-10-13 07:46:22,363 INFO L853 garLoopResultBuilder]: At program point L906(lines 901 909) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_activatePump_~tmp~8 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 (_ bv0 32)) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-13 07:46:22,363 INFO L853 garLoopResultBuilder]: At program point L906-1(lines 901 909) the Hoare annotation is: false [2021-10-13 07:46:22,363 INFO L853 garLoopResultBuilder]: At program point L906-2(lines 901 909) the Hoare annotation is: false [2021-10-13 07:46:22,363 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 754) no Hoare annotation was computed. [2021-10-13 07:46:22,363 INFO L857 garLoopResultBuilder]: For program point L675(lines 675 695) no Hoare annotation was computed. [2021-10-13 07:46:22,363 INFO L857 garLoopResultBuilder]: For program point L675-2(lines 675 695) no Hoare annotation was computed. [2021-10-13 07:46:22,363 INFO L857 garLoopResultBuilder]: For program point L675-4(lines 675 695) no Hoare annotation was computed. [2021-10-13 07:46:22,363 INFO L857 garLoopResultBuilder]: For program point L974(lines 974 978) no Hoare annotation was computed. [2021-10-13 07:46:22,364 INFO L857 garLoopResultBuilder]: For program point L974-2(lines 974 978) no Hoare annotation was computed. [2021-10-13 07:46:22,364 INFO L857 garLoopResultBuilder]: For program point L974-3(lines 974 978) no Hoare annotation was computed. [2021-10-13 07:46:22,364 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 826) no Hoare annotation was computed. [2021-10-13 07:46:22,364 INFO L857 garLoopResultBuilder]: For program point L974-5(lines 974 978) no Hoare annotation was computed. [2021-10-13 07:46:22,364 INFO L857 garLoopResultBuilder]: For program point L809-1(lines 809 826) no Hoare annotation was computed. [2021-10-13 07:46:22,364 INFO L857 garLoopResultBuilder]: For program point L974-6(lines 974 978) no Hoare annotation was computed. [2021-10-13 07:46:22,365 INFO L857 garLoopResultBuilder]: For program point L809-2(lines 809 826) no Hoare annotation was computed. [2021-10-13 07:46:22,365 INFO L857 garLoopResultBuilder]: For program point L809-3(lines 809 826) no Hoare annotation was computed. [2021-10-13 07:46:22,365 INFO L857 garLoopResultBuilder]: For program point L974-8(lines 974 978) no Hoare annotation was computed. [2021-10-13 07:46:22,365 INFO L857 garLoopResultBuilder]: For program point L809-4(lines 809 826) no Hoare annotation was computed. [2021-10-13 07:46:22,365 INFO L857 garLoopResultBuilder]: For program point L809-5(lines 809 826) no Hoare annotation was computed. [2021-10-13 07:46:22,365 INFO L853 garLoopResultBuilder]: At program point L777(lines 776 795) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~7 (_ bv0 32))) (.cse11 (= ULTIMATE.start_activatePump_~tmp~8 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv0 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse5 .cse6 .cse4) (and .cse0 .cse1 .cse3 .cse7 .cse4) (and .cse0 .cse3 .cse5 .cse6 .cse7 .cse4) (and .cse0 .cse3 .cse8 .cse7 .cse4) (and .cse0 .cse2 .cse3 .cse8 .cse4) (and .cse0 .cse9 .cse10 .cse2 .cse11 .cse3 .cse5) (and .cse0 .cse9 .cse11 .cse3 .cse8 .cse7) (and .cse0 .cse9 .cse2 .cse11 .cse3 .cse8) (and .cse0 .cse9 .cse10 .cse11 .cse3 .cse5 .cse7))) [2021-10-13 07:46:22,365 INFO L857 garLoopResultBuilder]: For program point L777-1(lines 777 783) no Hoare annotation was computed. [2021-10-13 07:46:22,366 INFO L853 garLoopResultBuilder]: At program point L777-2(lines 776 795) the Hoare annotation is: false [2021-10-13 07:46:22,366 INFO L853 garLoopResultBuilder]: At program point L777-3(lines 776 795) the Hoare annotation is: false [2021-10-13 07:46:22,366 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 651) no Hoare annotation was computed. [2021-10-13 07:46:22,366 INFO L857 garLoopResultBuilder]: For program point L645-1(lines 645 651) no Hoare annotation was computed. [2021-10-13 07:46:22,366 INFO L857 garLoopResultBuilder]: For program point L645-2(lines 645 651) no Hoare annotation was computed. [2021-10-13 07:46:22,366 INFO L857 garLoopResultBuilder]: For program point L645-3(lines 645 651) no Hoare annotation was computed. [2021-10-13 07:46:22,366 INFO L857 garLoopResultBuilder]: For program point L645-4(lines 645 651) no Hoare annotation was computed. [2021-10-13 07:46:22,366 INFO L857 garLoopResultBuilder]: For program point L645-5(lines 645 651) no Hoare annotation was computed. [2021-10-13 07:46:22,367 INFO L857 garLoopResultBuilder]: For program point L712(lines 711 758) no Hoare annotation was computed. [2021-10-13 07:46:22,367 INFO L857 garLoopResultBuilder]: For program point L580(lines 580 584) no Hoare annotation was computed. [2021-10-13 07:46:22,367 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 717) no Hoare annotation was computed. [2021-10-13 07:46:22,367 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:46:22,367 INFO L857 garLoopResultBuilder]: For program point L813(lines 813 821) no Hoare annotation was computed. [2021-10-13 07:46:22,367 INFO L857 garLoopResultBuilder]: For program point L813-1(lines 813 821) no Hoare annotation was computed. [2021-10-13 07:46:22,368 INFO L857 garLoopResultBuilder]: For program point L813-2(lines 813 821) no Hoare annotation was computed. [2021-10-13 07:46:22,368 INFO L857 garLoopResultBuilder]: For program point L813-3(lines 813 821) no Hoare annotation was computed. [2021-10-13 07:46:22,368 INFO L857 garLoopResultBuilder]: For program point L681(lines 681 694) no Hoare annotation was computed. [2021-10-13 07:46:22,368 INFO L857 garLoopResultBuilder]: For program point L813-4(lines 813 821) no Hoare annotation was computed. [2021-10-13 07:46:22,368 INFO L853 garLoopResultBuilder]: At program point L681-1(lines 1 991) the Hoare annotation is: (let ((.cse20 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse17 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_processEnvironment_~tmp~7 (_ bv0 32))) (.cse4 (= ULTIMATE.start_activatePump_~tmp~8 (_ bv0 32))) (.cse18 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse13 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse11 (not .cse20)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse7 (= ~waterLevel~0 (_ bv0 32))) (.cse8 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse9 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 (_ bv0 32))) (.cse10 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 (_ bv0 32))) (.cse19 (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse12 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 (_ bv1 32))) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse14 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse15 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse16 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse11 .cse12 .cse6 .cse13 .cse14 .cse15 .cse16) (and .cse0 .cse1 .cse2 (not .cse17) .cse3 .cse4 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0)) .cse18 .cse5 .cse6 .cse13 .cse10 .cse19) (and .cse0 .cse12 .cse6 .cse7 .cse19 .cse14 .cse15 .cse16) (and .cse0 .cse1 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4 .cse5 .cse6 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0) .cse10 .cse17) (and .cse0 .cse3 .cse6 .cse13 .cse16) (and .cse0 .cse1 .cse2 .cse4 .cse12 .cse6 .cse7 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse4 .cse18 .cse12 .cse6 .cse13 .cse19 .cse14 .cse15) (and .cse0 .cse3 .cse11 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse19 .cse16) (and .cse0 .cse20 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse12 .cse6 (= ULTIMATE.start_activatePump_~tmp~8 (_ bv1 32)) .cse14 .cse15 .cse16)))) [2021-10-13 07:46:22,368 INFO L857 garLoopResultBuilder]: For program point L813-5(lines 813 821) no Hoare annotation was computed. [2021-10-13 07:46:22,369 INFO L857 garLoopResultBuilder]: For program point L681-2(lines 681 694) no Hoare annotation was computed. [2021-10-13 07:46:22,369 INFO L853 garLoopResultBuilder]: At program point L681-3(lines 1 991) the Hoare annotation is: false [2021-10-13 07:46:22,369 INFO L857 garLoopResultBuilder]: For program point L681-4(lines 681 694) no Hoare annotation was computed. [2021-10-13 07:46:22,369 INFO L853 garLoopResultBuilder]: At program point L681-5(lines 1 991) the Hoare annotation is: false [2021-10-13 07:46:22,369 INFO L853 garLoopResultBuilder]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-13 07:46:22,369 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-13 07:46:22,370 INFO L853 garLoopResultBuilder]: At program point L980(lines 965 983) the Hoare annotation is: (let ((.cse7 (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv0 32))) (.cse9 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse10 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse11 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_activatePump_~tmp~8 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv0 32))) (.cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse8 .cse2 .cse9 .cse3 .cse4) (and .cse0 .cse1 .cse7 .cse2 .cse9 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse2 .cse10 .cse3 .cse11 .cse5 .cse6) (and .cse0 .cse1 .cse8 .cse2 .cse10 .cse3 .cse11 .cse5) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse5))) [2021-10-13 07:46:22,370 INFO L853 garLoopResultBuilder]: At program point L980-1(lines 965 983) the Hoare annotation is: false [2021-10-13 07:46:22,370 INFO L853 garLoopResultBuilder]: At program point L980-2(lines 965 983) the Hoare annotation is: false [2021-10-13 07:46:22,370 INFO L857 garLoopResultBuilder]: For program point L749(lines 749 753) no Hoare annotation was computed. [2021-10-13 07:46:22,370 INFO L853 garLoopResultBuilder]: At program point L749-2(lines 777 783) the Hoare annotation is: (let ((.cse6 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse11 (= ~waterLevel~0 (_ bv0 32))) (.cse13 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse12 (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_processEnvironment_~tmp~7 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 (_ bv2 32))) (.cse14 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse9 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~8 (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse15 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse9 .cse4 .cse10) (and .cse0 .cse9 .cse4 .cse11 .cse12 .cse10) (and .cse0 .cse8 .cse4 .cse7 .cse10) (and .cse0 .cse4 .cse11 .cse12 .cse7 .cse10) (and .cse0 .cse4 .cse5 .cse7 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse11 .cse6 .cse7) (and .cse0 .cse9 .cse4 .cse5 .cse10) (and .cse0 .cse1 .cse2 .cse9 .cse3 .cse4 .cse11) (and .cse0 .cse1 .cse8 .cse9 .cse3 .cse13 .cse4 .cse12) (and .cse0 .cse1 .cse8 .cse14 .cse3 .cse4 .cse15 .cse7) (and .cse0 .cse1 .cse8 .cse3 .cse13 .cse4 .cse12 .cse7) (and .cse0 .cse1 .cse2 .cse9 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse8 .cse14 .cse9 .cse3 .cse4 .cse15))) [2021-10-13 07:46:22,370 INFO L853 garLoopResultBuilder]: At program point L650(lines 641 654) the Hoare annotation is: false [2021-10-13 07:46:22,370 INFO L853 garLoopResultBuilder]: At program point L650-1(lines 641 654) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (not .cse6)) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse10 (= ~waterLevel~0 (_ bv0 32))) (.cse11 (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse3 .cse7 .cse8 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse7 .cse5) (and .cse0 .cse1 .cse9 .cse3 .cse10 .cse11 .cse8 .cse5) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse8 .cse5) (and .cse0 .cse1 .cse2 .cse9 .cse3 .cse10 .cse11 .cse5)))) [2021-10-13 07:46:22,371 INFO L853 garLoopResultBuilder]: At program point L650-2(lines 641 654) the Hoare annotation is: false [2021-10-13 07:46:22,371 INFO L857 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-10-13 07:46:22,371 INFO L853 garLoopResultBuilder]: At program point L650-3(lines 641 654) the Hoare annotation is: false [2021-10-13 07:46:22,371 INFO L857 garLoopResultBuilder]: For program point L551-1(line 551) no Hoare annotation was computed. [2021-10-13 07:46:22,371 INFO L853 garLoopResultBuilder]: At program point L650-4(lines 641 654) the Hoare annotation is: false [2021-10-13 07:46:22,371 INFO L853 garLoopResultBuilder]: At program point L650-5(lines 641 654) the Hoare annotation is: false [2021-10-13 07:46:22,371 INFO L857 garLoopResultBuilder]: For program point L551-2(line 551) no Hoare annotation was computed. [2021-10-13 07:46:22,371 INFO L853 garLoopResultBuilder]: At program point L784(lines 784 790) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse7 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse10 (not .cse2)) (.cse14 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse9 (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32))) (.cse13 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~7 (_ bv0 32))) (.cse4 (= ULTIMATE.start_activatePump_~tmp~8 (_ bv0 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse11 (= ~waterLevel~0 (_ bv0 32))) (.cse12 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse4 .cse7 .cse5 .cse8 .cse9) (and .cse0 .cse10 .cse5 .cse11 .cse9 .cse12 .cse13) (and .cse0 .cse1 .cse6 .cse4 .cse7 .cse5 .cse8 .cse9 .cse12) (and (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv1 32)) .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse3 .cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse13) (and .cse0 .cse3 .cse4 .cse5 .cse13)) .cse8) (and .cse0 .cse5 .cse8 .cse12 .cse13) (and .cse0 .cse3 .cse10 .cse5 .cse8 .cse14 .cse9 .cse13) (and .cse0 .cse1 .cse6 .cse3 .cse4 .cse5 .cse11) (and .cse0 .cse3 .cse10 .cse5 .cse11 .cse14 .cse9 .cse13) (and .cse0 .cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse5 (= ULTIMATE.start_activatePump_~tmp~8 (_ bv1 32)) .cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse13) (and .cse0 .cse1 .cse6 .cse4 .cse5 .cse11 .cse12)))) [2021-10-13 07:46:22,371 INFO L853 garLoopResultBuilder]: At program point L784-1(lines 784 790) the Hoare annotation is: false [2021-10-13 07:46:22,371 INFO L853 garLoopResultBuilder]: At program point L784-2(lines 784 790) the Hoare annotation is: false [2021-10-13 07:46:22,372 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 691) no Hoare annotation was computed. [2021-10-13 07:46:22,372 INFO L857 garLoopResultBuilder]: For program point L685-2(lines 685 691) no Hoare annotation was computed. [2021-10-13 07:46:22,372 INFO L857 garLoopResultBuilder]: For program point L685-4(lines 685 691) no Hoare annotation was computed. [2021-10-13 07:46:22,372 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:46:22,372 INFO L857 garLoopResultBuilder]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-13 07:46:22,372 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 777 783) no Hoare annotation was computed. [2021-10-13 07:46:22,372 INFO L857 garLoopResultBuilder]: For program point L721(lines 721 727) no Hoare annotation was computed. [2021-10-13 07:46:22,372 INFO L853 garLoopResultBuilder]: At program point L721-1(lines 721 727) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse17 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse18 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0))) (.cse19 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~7 (_ bv0 32))) (.cse7 (= ULTIMATE.start_activatePump_~tmp~8 (_ bv0 32))) (.cse8 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 (_ bv1 32))) (.cse22 (= ~waterLevel~0 (_ bv1 32))) (.cse10 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse11 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse21 (not .cse1)) (.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse9 (= ~waterLevel~0 (_ bv0 32))) (.cse14 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse15 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 (_ bv0 32))) (.cse16 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 (_ bv0 32))) (.cse20 (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse8 .cse3 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse5 .cse6 .cse2 .cse7 .cse13 .cse3 .cse9 .cse14 .cse15 .cse16) (and .cse0 .cse5 .cse1 .cse17 .cse2 .cse7 .cse18 .cse19 .cse13 .cse3 .cse16 .cse20) (and .cse0 .cse21 .cse8 .cse3 .cse9 .cse20 .cse11 .cse12 .cse4) (and .cse0 .cse21 .cse8 .cse3 .cse22 .cse11 .cse12 .cse4) (and .cse0 .cse5 .cse6 .cse17 .cse2 .cse7 .cse18 .cse19 .cse13 .cse3 .cse22 .cse16 .cse20) (and .cse0 .cse5 .cse6 .cse2 .cse7 .cse13 .cse3 .cse14 .cse22 .cse15 .cse16) (and .cse0 .cse5 .cse1 .cse6 .cse7 .cse19 .cse8 .cse3 .cse20 .cse11 .cse12) (and .cse0 .cse1 .cse8 .cse3 .cse11 .cse12 .cse4) (and .cse0 .cse2 .cse3 .cse22 .cse4) (and .cse0 .cse5 .cse1 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse7 .cse13 .cse3 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0) .cse16) (and .cse0 .cse5 .cse6 .cse7 .cse8 .cse3 .cse22 .cse10 .cse11 .cse12) (and .cse0 .cse2 .cse21 .cse13 .cse3 .cse9 .cse14 .cse15 .cse16 .cse20 .cse4)))) [2021-10-13 07:46:22,372 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:46:22,372 INFO L857 garLoopResultBuilder]: For program point L955(lines 955 959) no Hoare annotation was computed. [2021-10-13 07:46:22,372 INFO L857 garLoopResultBuilder]: For program point L955-2(lines 955 959) no Hoare annotation was computed. [2021-10-13 07:46:22,373 INFO L857 garLoopResultBuilder]: For program point L955-3(lines 955 959) no Hoare annotation was computed. [2021-10-13 07:46:22,373 INFO L857 garLoopResultBuilder]: For program point L955-5(lines 955 959) no Hoare annotation was computed. [2021-10-13 07:46:22,373 INFO L857 garLoopResultBuilder]: For program point L955-6(lines 955 959) no Hoare annotation was computed. [2021-10-13 07:46:22,373 INFO L857 garLoopResultBuilder]: For program point L955-8(lines 955 959) no Hoare annotation was computed. [2021-10-13 07:46:22,373 INFO L857 garLoopResultBuilder]: For program point L955-9(lines 955 959) no Hoare annotation was computed. [2021-10-13 07:46:22,373 INFO L857 garLoopResultBuilder]: For program point L592(lines 592 596) no Hoare annotation was computed. [2021-10-13 07:46:22,373 INFO L857 garLoopResultBuilder]: For program point L955-11(lines 955 959) no Hoare annotation was computed. [2021-10-13 07:46:22,373 INFO L857 garLoopResultBuilder]: For program point L955-12(lines 955 959) no Hoare annotation was computed. [2021-10-13 07:46:22,373 INFO L857 garLoopResultBuilder]: For program point L955-14(lines 955 959) no Hoare annotation was computed. [2021-10-13 07:46:22,373 INFO L857 garLoopResultBuilder]: For program point L955-15(lines 955 959) no Hoare annotation was computed. [2021-10-13 07:46:22,373 INFO L857 garLoopResultBuilder]: For program point L955-17(lines 955 959) no Hoare annotation was computed. [2021-10-13 07:46:22,373 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:46:22,374 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2021-10-13 07:46:22,374 INFO L853 garLoopResultBuilder]: At program point L759(lines 710 760) the Hoare annotation is: false [2021-10-13 07:46:22,374 INFO L853 garLoopResultBuilder]: At program point L660(lines 655 663) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_activatePump_~tmp~8 (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv0 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4 .cse7) (and .cse0 .cse1 .cse3 .cse6 .cse4 .cse7 .cse8) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse8))) [2021-10-13 07:46:22,374 INFO L853 garLoopResultBuilder]: At program point L660-1(lines 655 663) the Hoare annotation is: false [2021-10-13 07:46:22,374 INFO L853 garLoopResultBuilder]: At program point L660-2(lines 655 663) the Hoare annotation is: false [2021-10-13 07:46:22,374 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-10-13 07:46:22,374 INFO L860 garLoopResultBuilder]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-10-13 07:46:22,379 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:46:22,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:46:22 BoogieIcfgContainer [2021-10-13 07:46:22,460 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:46:22,461 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:46:22,461 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:46:22,461 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:46:22,462 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:43:53" (3/4) ... [2021-10-13 07:46:22,465 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:46:22,491 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 07:46:22,493 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 07:46:22,495 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:46:22,496 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:46:22,498 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:46:22,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:46:22,501 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:46:22,530 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 0bv32) && tmp == 0bv32) || (((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && !(2bv32 == tmp___0)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && tmp == 0bv32) && 2bv32 == \result)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && tmp == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:46:22,531 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 0bv32) && tmp == 0bv32)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && !(2bv32 == tmp___0)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && !(2bv32 == tmp___0)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && tmp___0 == 0bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && tmp == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && tmp == 0bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) [2021-10-13 07:46:22,531 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && methaneLevelCritical == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) [2021-10-13 07:46:22,532 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && methaneLevelCritical == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) [2021-10-13 07:46:22,533 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32)) || ((((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == tmp) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) && waterLevel == 1bv32)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && !(waterLevel == 3bv32)) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) [2021-10-13 07:46:22,534 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || (((((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == tmp) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) && waterLevel == 1bv32)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:46:22,535 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) [2021-10-13 07:46:22,536 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) [2021-10-13 07:46:22,536 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 2bv32 == \result)) || ((((((((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == tmp) && tmp == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) && waterLevel == 1bv32)) || ((((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) [2021-10-13 07:46:22,537 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) [2021-10-13 07:46:22,538 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp___0 == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && tmp == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || ((((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || ((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) [2021-10-13 07:46:22,538 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && tmp == 0bv32) && 2bv32 == \result) && 1bv32 == \result [2021-10-13 07:46:22,540 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:46:22,541 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:46:22,604 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:46:22,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:46:22,605 INFO L168 Benchmark]: Toolchain (without parser) took 152054.12 ms. Allocated memory was 81.8 MB in the beginning and 1.1 GB in the end (delta: 1.1 GB). Free memory was 46.3 MB in the beginning and 551.4 MB in the end (delta: -505.1 MB). Peak memory consumption was 565.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:46:22,606 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 81.8 MB. Free memory was 63.7 MB in the beginning and 63.6 MB in the end (delta: 69.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:46:22,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.69 ms. Allocated memory is still 81.8 MB. Free memory was 46.1 MB in the beginning and 49.6 MB in the end (delta: -3.5 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:46:22,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.87 ms. Allocated memory is still 81.8 MB. Free memory was 49.6 MB in the beginning and 45.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:46:22,607 INFO L168 Benchmark]: Boogie Preprocessor took 73.42 ms. Allocated memory is still 81.8 MB. Free memory was 45.6 MB in the beginning and 42.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:46:22,607 INFO L168 Benchmark]: RCFGBuilder took 2426.19 ms. Allocated memory was 81.8 MB in the beginning and 119.5 MB in the end (delta: 37.7 MB). Free memory was 42.7 MB in the beginning and 80.4 MB in the end (delta: -37.8 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:46:22,608 INFO L168 Benchmark]: TraceAbstraction took 148498.60 ms. Allocated memory was 119.5 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 79.8 MB in the beginning and 564.0 MB in the end (delta: -484.2 MB). Peak memory consumption was 710.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:46:22,608 INFO L168 Benchmark]: Witness Printer took 143.19 ms. Allocated memory is still 1.1 GB. Free memory was 563.0 MB in the beginning and 551.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:46:22,611 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 81.8 MB. Free memory was 63.7 MB in the beginning and 63.6 MB in the end (delta: 69.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 815.69 ms. Allocated memory is still 81.8 MB. Free memory was 46.1 MB in the beginning and 49.6 MB in the end (delta: -3.5 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.87 ms. Allocated memory is still 81.8 MB. Free memory was 49.6 MB in the beginning and 45.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.42 ms. Allocated memory is still 81.8 MB. Free memory was 45.6 MB in the beginning and 42.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2426.19 ms. Allocated memory was 81.8 MB in the beginning and 119.5 MB in the end (delta: 37.7 MB). Free memory was 42.7 MB in the beginning and 80.4 MB in the end (delta: -37.8 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 148498.60 ms. Allocated memory was 119.5 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 79.8 MB in the beginning and 564.0 MB in the end (delta: -484.2 MB). Peak memory consumption was 710.1 MB. Max. memory is 16.1 GB. * Witness Printer took 143.19 ms. Allocated memory is still 1.1 GB. Free memory was 563.0 MB in the beginning and 551.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 551]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 551]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 551]: 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, 141 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 148358.7ms, OverallIterations: 19, TraceHistogramMax: 3, EmptinessCheckTime: 44.0ms, AutomataDifference: 19924.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 103689.4ms, InitialAbstractionConstructionTime: 13.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2785 SDtfs, 6344 SDslu, 9948 SDs, 0 SdLazy, 1534 SolverSat, 229 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14470.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2491 GetRequests, 2286 SyntacticMatches, 0 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1116 ImplicationChecksByTransitivity, 1939.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1085occurred in iteration=18, InterpolantAutomatonStates: 189, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1777.6ms AutomataMinimizationTime, 19 MinimizatonAttempts, 8648 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 58 LocationsWithAnnotation, 58 PreInvPairs, 1186 NumberOfFragments, 3153 HoareAnnotationTreeSize, 58 FomulaSimplifications, 12766534432 FormulaSimplificationTreeSizeReduction, 27370.5ms HoareSimplificationTime, 58 FomulaSimplificationsInter, 733722740 FormulaSimplificationTreeSizeReductionInter, 76283.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 490.5ms SsaConstructionTime, 2717.9ms SatisfiabilityAnalysisTime, 8113.4ms InterpolantComputationTime, 1187 NumberOfCodeBlocks, 1187 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 2326 ConstructedInterpolants, 0 QuantifiedInterpolants, 5118 SizeOfPredicates, 67 NumberOfNonLiveVariables, 5778 ConjunctsInSsa, 130 ConjunctsInUnsatCore, 48 InterpolantComputations, 35 PerfectInterpolantSequences, 469/698 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: 965]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || (((((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == tmp) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) && waterLevel == 1bv32)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp___0 == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && tmp == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || ((((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || ((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: (((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && methaneLevelCritical == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && tmp == 0bv32) && 2bv32 == \result) && 1bv32 == \result - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 2bv32 == \result)) || ((((((((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == tmp) && tmp == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) && waterLevel == 1bv32)) || ((((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 0bv32) && tmp == 0bv32) || (((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && !(2bv32 == tmp___0)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && tmp == 0bv32) && 2bv32 == \result)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && tmp == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32)) || ((((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == tmp) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) && waterLevel == 1bv32)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && !(waterLevel == 3bv32)) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: ((((((((((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 0bv32) && tmp == 0bv32)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && !(2bv32 == tmp___0)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && !(2bv32 == tmp___0)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && tmp___0 == 0bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && tmp == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && tmp == 0bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: (((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && methaneLevelCritical == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:46:22,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34202251-a395-45ee-adc6-b6aa713aac6e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...