./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG --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 4c4adbf609ddd472cb6a462753c6f5cc9af64c97af02da4060f4102700285790 ............................................................................................................................................ 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_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG --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 4c4adbf609ddd472cb6a462753c6f5cc9af64c97af02da4060f4102700285790 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 06:02:02,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 06:02:02,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 06:02:02,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 06:02:03,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 06:02:03,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 06:02:03,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 06:02:03,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 06:02:03,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 06:02:03,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 06:02:03,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 06:02:03,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 06:02:03,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 06:02:03,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 06:02:03,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 06:02:03,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 06:02:03,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 06:02:03,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 06:02:03,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 06:02:03,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 06:02:03,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 06:02:03,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 06:02:03,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 06:02:03,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 06:02:03,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 06:02:03,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 06:02:03,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 06:02:03,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 06:02:03,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 06:02:03,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 06:02:03,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 06:02:03,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 06:02:03,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 06:02:03,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 06:02:03,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 06:02:03,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 06:02:03,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 06:02:03,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 06:02:03,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 06:02:03,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 06:02:03,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 06:02:03,092 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 06:02:03,155 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 06:02:03,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 06:02:03,157 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 06:02:03,158 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 06:02:03,158 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 06:02:03,158 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 06:02:03,159 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 06:02:03,159 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 06:02:03,159 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 06:02:03,159 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 06:02:03,168 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 06:02:03,169 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 06:02:03,169 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 06:02:03,169 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 06:02:03,170 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 06:02:03,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 06:02:03,171 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 06:02:03,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 06:02:03,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 06:02:03,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 06:02:03,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 06:02:03,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 06:02:03,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 06:02:03,173 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 06:02:03,173 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 06:02:03,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 06:02:03,173 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 06:02:03,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 06:02:03,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 06:02:03,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 06:02:03,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 06:02:03,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 06:02:03,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 06:02:03,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 06:02:03,176 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 06:02:03,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 06:02:03,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 06:02:03,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 06:02:03,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 06:02:03,177 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_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c4adbf609ddd472cb6a462753c6f5cc9af64c97af02da4060f4102700285790 [2021-10-29 06:02:03,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 06:02:03,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 06:02:03,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 06:02:03,520 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 06:02:03,521 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 06:02:03,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2021-10-29 06:02:03,614 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/data/c16b1104e/1c49a47945634a75802d11aac41dff54/FLAG17a2979d8 [2021-10-29 06:02:04,376 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 06:02:04,377 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2021-10-29 06:02:04,393 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/data/c16b1104e/1c49a47945634a75802d11aac41dff54/FLAG17a2979d8 [2021-10-29 06:02:04,612 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/data/c16b1104e/1c49a47945634a75802d11aac41dff54 [2021-10-29 06:02:04,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 06:02:04,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 06:02:04,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 06:02:04,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 06:02:04,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 06:02:04,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:02:04" (1/1) ... [2021-10-29 06:02:04,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3280798e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:04, skipping insertion in model container [2021-10-29 06:02:04,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:02:04" (1/1) ... [2021-10-29 06:02:04,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 06:02:04,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 06:02:04,986 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_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c[8617,8630] [2021-10-29 06:02:05,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 06:02:05,058 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) [2021-10-29 06:02:05,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40327fc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:05, skipping insertion in model container [2021-10-29 06:02:05,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 06:02:05,060 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 06:02:05,062 INFO L168 Benchmark]: Toolchain (without parser) took 443.98 ms. Allocated memory is still 107.0 MB. Free memory was 74.0 MB in the beginning and 78.8 MB in the end (delta: -4.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 06:02:05,063 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 107.0 MB. Free memory is still 59.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 06:02:05,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.42 ms. Allocated memory is still 107.0 MB. Free memory was 73.8 MB in the beginning and 78.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 06:02:05,066 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 107.0 MB. Free memory is still 59.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 440.42 ms. Allocated memory is still 107.0 MB. Free memory was 73.8 MB in the beginning and 78.8 MB in the end (delta: -5.1 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: 623]: 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-b2eff8b [2021-10-29 06:02:07,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 06:02:07,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 06:02:07,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 06:02:07,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 06:02:07,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 06:02:07,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 06:02:07,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 06:02:07,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 06:02:07,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 06:02:07,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 06:02:07,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 06:02:07,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 06:02:07,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 06:02:07,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 06:02:07,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 06:02:07,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 06:02:07,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 06:02:07,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 06:02:07,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 06:02:07,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 06:02:07,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 06:02:07,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 06:02:07,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 06:02:07,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 06:02:07,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 06:02:07,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 06:02:07,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 06:02:07,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 06:02:07,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 06:02:07,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 06:02:07,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 06:02:07,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 06:02:07,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 06:02:07,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 06:02:07,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 06:02:07,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 06:02:07,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 06:02:07,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 06:02:07,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 06:02:07,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 06:02:07,954 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 06:02:07,993 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 06:02:07,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 06:02:07,995 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 06:02:07,995 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 06:02:07,995 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 06:02:07,996 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 06:02:07,996 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 06:02:07,996 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 06:02:07,997 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 06:02:07,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 06:02:07,998 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 06:02:07,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 06:02:07,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 06:02:07,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 06:02:07,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 06:02:07,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 06:02:08,000 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 06:02:08,000 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 06:02:08,000 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 06:02:08,000 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 06:02:08,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 06:02:08,001 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 06:02:08,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 06:02:08,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 06:02:08,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 06:02:08,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 06:02:08,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 06:02:08,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 06:02:08,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 06:02:08,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 06:02:08,004 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 06:02:08,004 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 06:02:08,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 06:02:08,004 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 06:02:08,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 06:02:08,005 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_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c4adbf609ddd472cb6a462753c6f5cc9af64c97af02da4060f4102700285790 [2021-10-29 06:02:08,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 06:02:08,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 06:02:08,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 06:02:08,482 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 06:02:08,483 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 06:02:08,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2021-10-29 06:02:08,582 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/data/2331e4bda/68e2b9185581469aa4b8deb2d1772ce6/FLAG22f99afa3 [2021-10-29 06:02:09,253 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 06:02:09,253 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2021-10-29 06:02:09,274 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/data/2331e4bda/68e2b9185581469aa4b8deb2d1772ce6/FLAG22f99afa3 [2021-10-29 06:02:09,498 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/data/2331e4bda/68e2b9185581469aa4b8deb2d1772ce6 [2021-10-29 06:02:09,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 06:02:09,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 06:02:09,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 06:02:09,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 06:02:09,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 06:02:09,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:02:09" (1/1) ... [2021-10-29 06:02:09,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a4133d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:09, skipping insertion in model container [2021-10-29 06:02:09,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:02:09" (1/1) ... [2021-10-29 06:02:09,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 06:02:09,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 06:02:10,004 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_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c[8617,8630] [2021-10-29 06:02:10,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 06:02:10,157 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 06:02:10,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 06:02:10,222 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_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c[8617,8630] [2021-10-29 06:02:10,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 06:02:10,266 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 06:02:10,314 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_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c[8617,8630] [2021-10-29 06:02:10,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 06:02:10,372 INFO L208 MainTranslator]: Completed translation [2021-10-29 06:02:10,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:10 WrapperNode [2021-10-29 06:02:10,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 06:02:10,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 06:02:10,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 06:02:10,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 06:02:10,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:10" (1/1) ... [2021-10-29 06:02:10,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:10" (1/1) ... [2021-10-29 06:02:10,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 06:02:10,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 06:02:10,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 06:02:10,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 06:02:10,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:10" (1/1) ... [2021-10-29 06:02:10,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:10" (1/1) ... [2021-10-29 06:02:10,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:10" (1/1) ... [2021-10-29 06:02:10,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:10" (1/1) ... [2021-10-29 06:02:10,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:10" (1/1) ... [2021-10-29 06:02:10,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:10" (1/1) ... [2021-10-29 06:02:10,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:10" (1/1) ... [2021-10-29 06:02:10,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 06:02:10,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 06:02:10,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 06:02:10,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 06:02:10,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:10" (1/1) ... [2021-10-29 06:02:10,591 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 06:02:10,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 06:02:10,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 06:02:10,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 06:02:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 06:02:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 06:02:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 06:02:10,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 06:02:13,412 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 06:02:13,413 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-10-29 06:02:13,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:02:13 BoogieIcfgContainer [2021-10-29 06:02:13,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 06:02:13,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 06:02:13,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 06:02:13,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 06:02:13,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:02:09" (1/3) ... [2021-10-29 06:02:13,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c6a434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:02:13, skipping insertion in model container [2021-10-29 06:02:13,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:10" (2/3) ... [2021-10-29 06:02:13,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c6a434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:02:13, skipping insertion in model container [2021-10-29 06:02:13,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:02:13" (3/3) ... [2021-10-29 06:02:13,429 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product45.cil.c [2021-10-29 06:02:13,436 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 06:02:13,437 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 06:02:13,513 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 06:02:13,526 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 06:02:13,527 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 06:02:13,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 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) [2021-10-29 06:02:13,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 06:02:13,559 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:13,560 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:02:13,561 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:02:13,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:13,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1981233963, now seen corresponding path program 1 times [2021-10-29 06:02:13,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:13,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1147579824] [2021-10-29 06:02:13,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:13,591 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:13,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:13,599 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:13,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 06:02:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:14,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 06:02:14,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:02:14,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:14,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:02:14,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:14,226 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:02:14,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1147579824] [2021-10-29 06:02:14,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1147579824] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:14,227 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:14,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 06:02:14,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602282096] [2021-10-29 06:02:14,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 06:02:14,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:02:14,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 06:02:14,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 06:02:14,273 INFO L87 Difference]: Start difference. First operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 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) [2021-10-29 06:02:14,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:14,341 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2021-10-29 06:02:14,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 06:02:14,342 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 [2021-10-29 06:02:14,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:14,360 INFO L225 Difference]: With dead ends: 264 [2021-10-29 06:02:14,361 INFO L226 Difference]: Without dead ends: 131 [2021-10-29 06:02:14,365 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 06:02:14,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-29 06:02:14,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-10-29 06:02:14,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.4765625) internal successors, (189), 130 states have internal predecessors, (189), 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) [2021-10-29 06:02:14,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2021-10-29 06:02:14,447 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 18 [2021-10-29 06:02:14,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:14,448 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2021-10-29 06:02:14,448 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) [2021-10-29 06:02:14,449 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2021-10-29 06:02:14,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 06:02:14,451 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:14,451 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:02:14,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:14,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:14,673 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:02:14,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:14,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1070203210, now seen corresponding path program 1 times [2021-10-29 06:02:14,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:14,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [484418027] [2021-10-29 06:02:14,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:14,675 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:14,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:14,682 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:14,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 06:02:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:14,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 06:02:14,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:02:15,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:15,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:02:15,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:15,114 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:02:15,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [484418027] [2021-10-29 06:02:15,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [484418027] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:15,116 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:15,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 06:02:15,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749323634] [2021-10-29 06:02:15,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 06:02:15,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:02:15,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 06:02:15,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 06:02:15,126 INFO L87 Difference]: Start difference. First operand 131 states and 189 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) [2021-10-29 06:02:15,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:15,164 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2021-10-29 06:02:15,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 06:02:15,166 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 [2021-10-29 06:02:15,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:15,167 INFO L225 Difference]: With dead ends: 131 [2021-10-29 06:02:15,170 INFO L226 Difference]: Without dead ends: 53 [2021-10-29 06:02:15,171 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 06:02:15,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-29 06:02:15,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-29 06:02:15,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 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) [2021-10-29 06:02:15,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-29 06:02:15,183 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2021-10-29 06:02:15,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:15,183 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-29 06:02:15,183 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) [2021-10-29 06:02:15,183 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-29 06:02:15,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 06:02:15,184 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:15,188 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:02:15,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:15,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:15,405 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:02:15,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:15,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1049766460, now seen corresponding path program 1 times [2021-10-29 06:02:15,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:15,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950996808] [2021-10-29 06:02:15,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:15,408 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:15,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:15,409 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:15,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 06:02:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:15,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 06:02:15,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:02:15,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:15,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:02:15,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:15,868 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:02:15,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950996808] [2021-10-29 06:02:15,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950996808] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:15,869 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:15,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 06:02:15,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279190039] [2021-10-29 06:02:15,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 06:02:15,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:02:15,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 06:02:15,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 06:02:15,871 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2021-10-29 06:02:15,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:15,889 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2021-10-29 06:02:15,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 06:02:15,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 [2021-10-29 06:02:15,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:15,891 INFO L225 Difference]: With dead ends: 100 [2021-10-29 06:02:15,892 INFO L226 Difference]: Without dead ends: 53 [2021-10-29 06:02:15,896 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 06:02:15,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-29 06:02:15,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-29 06:02:15,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 states have internal predecessors, (75), 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) [2021-10-29 06:02:15,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-10-29 06:02:15,908 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2021-10-29 06:02:15,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:15,909 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-10-29 06:02:15,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2021-10-29 06:02:15,910 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-10-29 06:02:15,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 06:02:15,912 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:15,912 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:02:15,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:16,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:16,131 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:02:16,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:16,134 INFO L85 PathProgramCache]: Analyzing trace with hash -927374502, now seen corresponding path program 1 times [2021-10-29 06:02:16,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:16,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165381171] [2021-10-29 06:02:16,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:16,136 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:16,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:16,139 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:16,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 06:02:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:16,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 06:02:16,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:02:16,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:16,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:02:16,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:16,609 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:02:16,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [165381171] [2021-10-29 06:02:16,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [165381171] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:16,610 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:16,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 06:02:16,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394940503] [2021-10-29 06:02:16,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 06:02:16,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:02:16,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 06:02:16,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 06:02:16,613 INFO L87 Difference]: Start difference. First operand 53 states and 75 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) [2021-10-29 06:02:16,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:16,683 INFO L93 Difference]: Finished difference Result 123 states and 177 transitions. [2021-10-29 06:02:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 06:02:16,684 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 [2021-10-29 06:02:16,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:16,686 INFO L225 Difference]: With dead ends: 123 [2021-10-29 06:02:16,687 INFO L226 Difference]: Without dead ends: 76 [2021-10-29 06:02:16,687 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 06:02:16,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-10-29 06:02:16,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2021-10-29 06:02:16,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 73 states have internal predecessors, (104), 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) [2021-10-29 06:02:16,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 104 transitions. [2021-10-29 06:02:16,709 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 104 transitions. Word has length 26 [2021-10-29 06:02:16,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:16,710 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 104 transitions. [2021-10-29 06:02:16,710 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) [2021-10-29 06:02:16,711 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2021-10-29 06:02:16,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 06:02:16,719 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:16,720 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:02:16,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:16,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:16,928 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:02:16,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:16,928 INFO L85 PathProgramCache]: Analyzing trace with hash -44236562, now seen corresponding path program 1 times [2021-10-29 06:02:16,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:16,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [320177023] [2021-10-29 06:02:16,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:16,929 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:16,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:16,930 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:16,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 06:02:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:17,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 06:02:17,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:02:17,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:17,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:02:17,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:17,557 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:02:17,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [320177023] [2021-10-29 06:02:17,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [320177023] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:17,562 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:17,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 06:02:17,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934992704] [2021-10-29 06:02:17,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 06:02:17,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:02:17,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 06:02:17,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 06:02:17,566 INFO L87 Difference]: Start difference. First operand 74 states and 104 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) [2021-10-29 06:02:18,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:18,075 INFO L93 Difference]: Finished difference Result 815 states and 1186 transitions. [2021-10-29 06:02:18,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 06:02:18,076 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 [2021-10-29 06:02:18,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:18,082 INFO L225 Difference]: With dead ends: 815 [2021-10-29 06:02:18,082 INFO L226 Difference]: Without dead ends: 747 [2021-10-29 06:02:18,083 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-29 06:02:18,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2021-10-29 06:02:18,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 182. [2021-10-29 06:02:18,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 1.4033149171270718) internal successors, (254), 181 states have internal predecessors, (254), 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) [2021-10-29 06:02:18,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 254 transitions. [2021-10-29 06:02:18,130 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 254 transitions. Word has length 32 [2021-10-29 06:02:18,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:18,131 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 254 transitions. [2021-10-29 06:02:18,132 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) [2021-10-29 06:02:18,132 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 254 transitions. [2021-10-29 06:02:18,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 06:02:18,136 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:18,137 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:02:18,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:18,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:18,361 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:02:18,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:18,362 INFO L85 PathProgramCache]: Analyzing trace with hash -2126400342, now seen corresponding path program 1 times [2021-10-29 06:02:18,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:18,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [614311379] [2021-10-29 06:02:18,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:18,364 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:18,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:18,365 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:18,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 06:02:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:18,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 06:02:18,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:02:18,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:18,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:02:18,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:18,878 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:02:18,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [614311379] [2021-10-29 06:02:18,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [614311379] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:18,879 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:18,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 06:02:18,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171198528] [2021-10-29 06:02:18,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 06:02:18,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:02:18,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 06:02:18,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 06:02:18,883 INFO L87 Difference]: Start difference. First operand 182 states and 254 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) [2021-10-29 06:02:18,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:18,976 INFO L93 Difference]: Finished difference Result 569 states and 802 transitions. [2021-10-29 06:02:18,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 06:02:18,977 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 [2021-10-29 06:02:18,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:18,981 INFO L225 Difference]: With dead ends: 569 [2021-10-29 06:02:18,982 INFO L226 Difference]: Without dead ends: 440 [2021-10-29 06:02:18,984 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 06:02:18,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-10-29 06:02:19,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 186. [2021-10-29 06:02:19,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.3837837837837839) internal successors, (256), 185 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) [2021-10-29 06:02:19,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 256 transitions. [2021-10-29 06:02:19,035 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 256 transitions. Word has length 33 [2021-10-29 06:02:19,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:19,035 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 256 transitions. [2021-10-29 06:02:19,036 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) [2021-10-29 06:02:19,036 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 256 transitions. [2021-10-29 06:02:19,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 06:02:19,039 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:19,039 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:02:19,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:19,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:19,259 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:02:19,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:19,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1868234904, now seen corresponding path program 1 times [2021-10-29 06:02:19,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:19,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641331433] [2021-10-29 06:02:19,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:19,270 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:19,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:19,287 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:19,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 06:02:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:19,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 06:02:19,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:02:19,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:19,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:02:19,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:19,816 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:02:19,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [641331433] [2021-10-29 06:02:19,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [641331433] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:19,816 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:19,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 06:02:19,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002490722] [2021-10-29 06:02:19,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 06:02:19,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:02:19,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 06:02:19,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 06:02:19,820 INFO L87 Difference]: Start difference. First operand 186 states and 256 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) [2021-10-29 06:02:19,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:19,999 INFO L93 Difference]: Finished difference Result 700 states and 976 transitions. [2021-10-29 06:02:19,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 06:02:20,000 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 [2021-10-29 06:02:20,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:20,009 INFO L225 Difference]: With dead ends: 700 [2021-10-29 06:02:20,009 INFO L226 Difference]: Without dead ends: 520 [2021-10-29 06:02:20,010 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-29 06:02:20,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2021-10-29 06:02:20,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 195. [2021-10-29 06:02:20,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 194 states have (on average 1.3556701030927836) internal successors, (263), 194 states have internal predecessors, (263), 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) [2021-10-29 06:02:20,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 263 transitions. [2021-10-29 06:02:20,060 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 263 transitions. Word has length 33 [2021-10-29 06:02:20,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:20,061 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 263 transitions. [2021-10-29 06:02:20,061 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) [2021-10-29 06:02:20,062 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 263 transitions. [2021-10-29 06:02:20,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 06:02:20,062 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:20,063 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:02:20,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:20,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:20,281 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:02:20,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:20,282 INFO L85 PathProgramCache]: Analyzing trace with hash 941421312, now seen corresponding path program 1 times [2021-10-29 06:02:20,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:20,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28014739] [2021-10-29 06:02:20,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:20,283 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:20,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:20,284 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:20,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-29 06:02:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:20,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 06:02:20,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:02:20,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:20,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:02:20,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:20,963 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:02:20,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28014739] [2021-10-29 06:02:20,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [28014739] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:20,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:20,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 06:02:20,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817890918] [2021-10-29 06:02:20,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 06:02:20,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:02:20,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 06:02:20,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-29 06:02:20,966 INFO L87 Difference]: Start difference. First operand 195 states and 263 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) [2021-10-29 06:02:21,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:21,404 INFO L93 Difference]: Finished difference Result 1232 states and 1633 transitions. [2021-10-29 06:02:21,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-29 06:02:21,405 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 [2021-10-29 06:02:21,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:21,412 INFO L225 Difference]: With dead ends: 1232 [2021-10-29 06:02:21,412 INFO L226 Difference]: Without dead ends: 1043 [2021-10-29 06:02:21,414 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-10-29 06:02:21,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2021-10-29 06:02:21,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 382. [2021-10-29 06:02:21,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 381 states have (on average 1.3333333333333333) internal successors, (508), 381 states have internal predecessors, (508), 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) [2021-10-29 06:02:21,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 508 transitions. [2021-10-29 06:02:21,494 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 508 transitions. Word has length 36 [2021-10-29 06:02:21,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:21,494 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 508 transitions. [2021-10-29 06:02:21,495 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) [2021-10-29 06:02:21,495 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 508 transitions. [2021-10-29 06:02:21,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 06:02:21,496 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:21,496 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:02:21,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:21,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:21,712 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:02:21,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:21,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1621479682, now seen corresponding path program 1 times [2021-10-29 06:02:21,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:21,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1492917316] [2021-10-29 06:02:21,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:21,713 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:21,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:21,715 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:21,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-29 06:02:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:22,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 06:02:22,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:02:22,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:22,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:02:22,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:22,346 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:02:22,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1492917316] [2021-10-29 06:02:22,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1492917316] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:22,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:22,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 06:02:22,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574993611] [2021-10-29 06:02:22,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 06:02:22,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:02:22,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 06:02:22,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 06:02:22,352 INFO L87 Difference]: Start difference. First operand 382 states and 508 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) [2021-10-29 06:02:24,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:24,307 INFO L93 Difference]: Finished difference Result 1067 states and 1439 transitions. [2021-10-29 06:02:24,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 06:02:24,308 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 [2021-10-29 06:02:24,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:24,315 INFO L225 Difference]: With dead ends: 1067 [2021-10-29 06:02:24,315 INFO L226 Difference]: Without dead ends: 691 [2021-10-29 06:02:24,316 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-10-29 06:02:24,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2021-10-29 06:02:24,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 312. [2021-10-29 06:02:24,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 311 states have (on average 1.2893890675241158) internal successors, (401), 311 states have internal predecessors, (401), 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) [2021-10-29 06:02:24,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 401 transitions. [2021-10-29 06:02:24,418 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 401 transitions. Word has length 36 [2021-10-29 06:02:24,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:24,419 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 401 transitions. [2021-10-29 06:02:24,419 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) [2021-10-29 06:02:24,420 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 401 transitions. [2021-10-29 06:02:24,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 06:02:24,421 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:24,422 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:02:24,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:24,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:24,635 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:02:24,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:24,636 INFO L85 PathProgramCache]: Analyzing trace with hash 886341574, now seen corresponding path program 1 times [2021-10-29 06:02:24,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:24,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605045520] [2021-10-29 06:02:24,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:24,636 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:24,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:24,637 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:24,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-29 06:02:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:24,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 06:02:24,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:02:25,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:25,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:02:25,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:25,321 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:02:25,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605045520] [2021-10-29 06:02:25,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1605045520] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:25,322 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:25,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 06:02:25,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170711318] [2021-10-29 06:02:25,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 06:02:25,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:02:25,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 06:02:25,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 06:02:25,324 INFO L87 Difference]: Start difference. First operand 312 states and 401 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) [2021-10-29 06:02:28,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:28,763 INFO L93 Difference]: Finished difference Result 983 states and 1253 transitions. [2021-10-29 06:02:28,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 06:02:28,764 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 [2021-10-29 06:02:28,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:28,769 INFO L225 Difference]: With dead ends: 983 [2021-10-29 06:02:28,769 INFO L226 Difference]: Without dead ends: 677 [2021-10-29 06:02:28,770 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-10-29 06:02:28,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2021-10-29 06:02:28,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 292. [2021-10-29 06:02:28,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 291 states have (on average 1.261168384879725) internal successors, (367), 291 states have internal predecessors, (367), 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) [2021-10-29 06:02:28,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 367 transitions. [2021-10-29 06:02:28,837 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 367 transitions. Word has length 37 [2021-10-29 06:02:28,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:28,838 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 367 transitions. [2021-10-29 06:02:28,838 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) [2021-10-29 06:02:28,838 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 367 transitions. [2021-10-29 06:02:28,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-29 06:02:28,840 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:28,840 INFO L513 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] [2021-10-29 06:02:28,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:29,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:29,063 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:02:29,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:29,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1892715278, now seen corresponding path program 1 times [2021-10-29 06:02:29,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:29,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378894666] [2021-10-29 06:02:29,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:29,064 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:29,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:29,065 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:29,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-29 06:02:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:29,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 06:02:29,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:02:29,626 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 06:02:29,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:02:29,847 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 06:02:29,847 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:02:29,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378894666] [2021-10-29 06:02:29,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [378894666] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:29,848 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:29,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-29 06:02:29,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376475338] [2021-10-29 06:02:29,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 06:02:29,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:02:29,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 06:02:29,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-29 06:02:29,850 INFO L87 Difference]: Start difference. First operand 292 states and 367 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 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) [2021-10-29 06:02:33,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:33,530 INFO L93 Difference]: Finished difference Result 1010 states and 1302 transitions. [2021-10-29 06:02:33,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 06:02:33,531 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 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 54 [2021-10-29 06:02:33,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:33,538 INFO L225 Difference]: With dead ends: 1010 [2021-10-29 06:02:33,538 INFO L226 Difference]: Without dead ends: 820 [2021-10-29 06:02:33,539 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 06:02:33,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2021-10-29 06:02:33,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 679. [2021-10-29 06:02:33,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 678 states have (on average 1.2551622418879056) internal successors, (851), 678 states have internal predecessors, (851), 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) [2021-10-29 06:02:33,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 851 transitions. [2021-10-29 06:02:33,716 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 851 transitions. Word has length 54 [2021-10-29 06:02:33,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:33,716 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 851 transitions. [2021-10-29 06:02:33,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 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) [2021-10-29 06:02:33,717 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 851 transitions. [2021-10-29 06:02:33,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-29 06:02:33,718 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:33,719 INFO L513 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] [2021-10-29 06:02:33,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:33,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:33,934 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:02:33,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:33,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1485859958, now seen corresponding path program 1 times [2021-10-29 06:02:33,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:33,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [478235947] [2021-10-29 06:02:33,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:33,936 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:33,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:33,937 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:33,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-29 06:02:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:34,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 06:02:34,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:02:34,644 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:34,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:02:34,876 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:34,876 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:02:34,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [478235947] [2021-10-29 06:02:34,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [478235947] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:34,877 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:34,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 06:02:34,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046509017] [2021-10-29 06:02:34,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 06:02:34,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:02:34,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 06:02:34,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 06:02:34,879 INFO L87 Difference]: Start difference. First operand 679 states and 851 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 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) [2021-10-29 06:02:35,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:35,242 INFO L93 Difference]: Finished difference Result 1735 states and 2168 transitions. [2021-10-29 06:02:35,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 06:02:35,243 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 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 54 [2021-10-29 06:02:35,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:35,251 INFO L225 Difference]: With dead ends: 1735 [2021-10-29 06:02:35,251 INFO L226 Difference]: Without dead ends: 1062 [2021-10-29 06:02:35,252 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-29 06:02:35,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2021-10-29 06:02:35,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 679. [2021-10-29 06:02:35,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 678 states have (on average 1.233038348082596) internal successors, (836), 678 states have internal predecessors, (836), 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) [2021-10-29 06:02:35,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 836 transitions. [2021-10-29 06:02:35,413 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 836 transitions. Word has length 54 [2021-10-29 06:02:35,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:35,413 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 836 transitions. [2021-10-29 06:02:35,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 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) [2021-10-29 06:02:35,414 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 836 transitions. [2021-10-29 06:02:35,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 06:02:35,415 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:35,416 INFO L513 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] [2021-10-29 06:02:35,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:35,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:35,631 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:02:35,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:35,632 INFO L85 PathProgramCache]: Analyzing trace with hash 675182755, now seen corresponding path program 1 times [2021-10-29 06:02:35,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:35,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [797318640] [2021-10-29 06:02:35,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:35,633 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:35,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:35,635 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:35,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-29 06:02:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:36,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 06:02:36,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:02:36,383 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:36,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:02:36,618 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:36,619 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:02:36,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [797318640] [2021-10-29 06:02:36,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [797318640] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:36,619 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:36,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 06:02:36,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808108635] [2021-10-29 06:02:36,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 06:02:36,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:02:36,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 06:02:36,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-29 06:02:36,621 INFO L87 Difference]: Start difference. First operand 679 states and 836 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 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) [2021-10-29 06:02:38,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:38,822 INFO L93 Difference]: Finished difference Result 2581 states and 3169 transitions. [2021-10-29 06:02:38,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-29 06:02:38,823 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 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 [2021-10-29 06:02:38,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:38,836 INFO L225 Difference]: With dead ends: 2581 [2021-10-29 06:02:38,836 INFO L226 Difference]: Without dead ends: 2000 [2021-10-29 06:02:38,838 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-10-29 06:02:38,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2021-10-29 06:02:39,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 867. [2021-10-29 06:02:39,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 866 states have (on average 1.2240184757505774) internal successors, (1060), 866 states have internal predecessors, (1060), 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) [2021-10-29 06:02:39,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1060 transitions. [2021-10-29 06:02:39,063 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1060 transitions. Word has length 56 [2021-10-29 06:02:39,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:39,064 INFO L470 AbstractCegarLoop]: Abstraction has 867 states and 1060 transitions. [2021-10-29 06:02:39,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 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) [2021-10-29 06:02:39,064 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1060 transitions. [2021-10-29 06:02:39,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 06:02:39,066 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:39,066 INFO L513 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] [2021-10-29 06:02:39,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:39,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:39,282 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:02:39,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:39,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1054337216, now seen corresponding path program 1 times [2021-10-29 06:02:39,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:39,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874108495] [2021-10-29 06:02:39,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:39,284 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:39,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:39,286 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:39,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-29 06:02:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:39,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 06:02:39,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:02:39,985 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 06:02:39,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:02:40,216 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 06:02:40,217 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:02:40,217 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874108495] [2021-10-29 06:02:40,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1874108495] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:40,217 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:40,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-29 06:02:40,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084701445] [2021-10-29 06:02:40,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 06:02:40,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:02:40,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 06:02:40,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-29 06:02:40,219 INFO L87 Difference]: Start difference. First operand 867 states and 1060 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 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) [2021-10-29 06:02:42,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:42,483 INFO L93 Difference]: Finished difference Result 3075 states and 3770 transitions. [2021-10-29 06:02:42,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-29 06:02:42,483 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 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 [2021-10-29 06:02:42,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:42,498 INFO L225 Difference]: With dead ends: 3075 [2021-10-29 06:02:42,498 INFO L226 Difference]: Without dead ends: 2286 [2021-10-29 06:02:42,500 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2021-10-29 06:02:42,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2021-10-29 06:02:42,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 833. [2021-10-29 06:02:42,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 832 states have (on average 1.2175480769230769) internal successors, (1013), 832 states have internal predecessors, (1013), 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) [2021-10-29 06:02:42,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1013 transitions. [2021-10-29 06:02:42,688 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1013 transitions. Word has length 56 [2021-10-29 06:02:42,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:42,689 INFO L470 AbstractCegarLoop]: Abstraction has 833 states and 1013 transitions. [2021-10-29 06:02:42,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 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) [2021-10-29 06:02:42,689 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1013 transitions. [2021-10-29 06:02:42,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 06:02:42,691 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:42,691 INFO L513 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] [2021-10-29 06:02:42,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-10-29 06:02:42,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:42,915 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:02:42,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:42,916 INFO L85 PathProgramCache]: Analyzing trace with hash 657781173, now seen corresponding path program 1 times [2021-10-29 06:02:42,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:42,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [936764414] [2021-10-29 06:02:42,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:42,916 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:42,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:42,918 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:42,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-29 06:02:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:43,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 06:02:43,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:02:43,591 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 06:02:43,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:02:43,776 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 06:02:43,776 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:02:43,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [936764414] [2021-10-29 06:02:43,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [936764414] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:43,777 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:43,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 06:02:43,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733745792] [2021-10-29 06:02:43,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 06:02:43,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:02:43,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 06:02:43,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 06:02:43,779 INFO L87 Difference]: Start difference. First operand 833 states and 1013 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) [2021-10-29 06:02:43,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:43,973 INFO L93 Difference]: Finished difference Result 1875 states and 2293 transitions. [2021-10-29 06:02:43,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 06:02:43,974 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 56 [2021-10-29 06:02:43,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:43,981 INFO L225 Difference]: With dead ends: 1875 [2021-10-29 06:02:43,981 INFO L226 Difference]: Without dead ends: 1048 [2021-10-29 06:02:43,983 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 06:02:43,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2021-10-29 06:02:44,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 833. [2021-10-29 06:02:44,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 832 states have (on average 1.2079326923076923) internal successors, (1005), 832 states have internal predecessors, (1005), 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) [2021-10-29 06:02:44,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1005 transitions. [2021-10-29 06:02:44,154 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1005 transitions. Word has length 56 [2021-10-29 06:02:44,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:44,154 INFO L470 AbstractCegarLoop]: Abstraction has 833 states and 1005 transitions. [2021-10-29 06:02:44,155 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) [2021-10-29 06:02:44,155 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1005 transitions. [2021-10-29 06:02:44,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 06:02:44,156 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:44,156 INFO L513 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] [2021-10-29 06:02:44,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:44,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:44,373 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:02:44,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:44,373 INFO L85 PathProgramCache]: Analyzing trace with hash 263414387, now seen corresponding path program 1 times [2021-10-29 06:02:44,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:44,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1069847269] [2021-10-29 06:02:44,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:44,374 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:44,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:44,376 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:44,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-29 06:02:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:44,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 06:02:44,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:02:45,070 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 06:02:45,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:02:45,230 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 06:02:45,230 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:02:45,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1069847269] [2021-10-29 06:02:45,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1069847269] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:45,231 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:45,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-29 06:02:45,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654657922] [2021-10-29 06:02:45,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 06:02:45,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:02:45,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 06:02:45,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 06:02:45,233 INFO L87 Difference]: Start difference. First operand 833 states and 1005 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2021-10-29 06:02:45,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:45,428 INFO L93 Difference]: Finished difference Result 1785 states and 2179 transitions. [2021-10-29 06:02:45,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 06:02:45,428 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 [2021-10-29 06:02:45,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:45,434 INFO L225 Difference]: With dead ends: 1785 [2021-10-29 06:02:45,435 INFO L226 Difference]: Without dead ends: 958 [2021-10-29 06:02:45,437 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 06:02:45,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2021-10-29 06:02:45,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 705. [2021-10-29 06:02:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 704 states have (on average 1.2144886363636365) internal successors, (855), 704 states have internal predecessors, (855), 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) [2021-10-29 06:02:45,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 855 transitions. [2021-10-29 06:02:45,586 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 855 transitions. Word has length 56 [2021-10-29 06:02:45,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:45,586 INFO L470 AbstractCegarLoop]: Abstraction has 705 states and 855 transitions. [2021-10-29 06:02:45,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2021-10-29 06:02:45,587 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 855 transitions. [2021-10-29 06:02:45,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 06:02:45,588 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:45,588 INFO L513 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] [2021-10-29 06:02:45,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:45,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:45,808 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:02:45,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:45,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1609070286, now seen corresponding path program 1 times [2021-10-29 06:02:45,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:45,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [456844106] [2021-10-29 06:02:45,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:45,809 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:45,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:45,810 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:45,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-29 06:02:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:46,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 06:02:46,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:02:46,562 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 06:02:46,562 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:02:46,768 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 06:02:46,768 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:02:46,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [456844106] [2021-10-29 06:02:46,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [456844106] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:46,769 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:46,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 06:02:46,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073253130] [2021-10-29 06:02:46,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 06:02:46,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:02:46,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 06:02:46,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-29 06:02:46,772 INFO L87 Difference]: Start difference. First operand 705 states and 855 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 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) [2021-10-29 06:02:47,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:47,078 INFO L93 Difference]: Finished difference Result 1672 states and 2031 transitions. [2021-10-29 06:02:47,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-29 06:02:47,079 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 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 [2021-10-29 06:02:47,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:47,079 INFO L225 Difference]: With dead ends: 1672 [2021-10-29 06:02:47,079 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 06:02:47,081 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-10-29 06:02:47,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 06:02:47,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 06:02:47,082 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) [2021-10-29 06:02:47,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 06:02:47,082 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-29 06:02:47,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:47,082 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 06:02:47,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 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) [2021-10-29 06:02:47,083 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 06:02:47,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 06:02:47,085 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 06:02:47,086 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 06:02:47,086 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 06:02:47,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:47,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:47,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 06:02:47,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:47,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:50,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:50,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:50,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:50,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:50,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:50,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:50,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:50,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:50,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:50,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:50,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:50,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:50,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:50,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:50,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:51,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:51,205 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:51,205 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:51,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:51,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:51,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:51,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:55,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:55,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:55,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:55,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:55,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:55,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:55,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:55,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:55,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:55,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:55,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:55,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:56,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:01,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:01,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:01,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:01,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:01,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:01,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:01,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:01,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:01,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:01,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:01,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:01,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:01,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:01,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:02,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:03,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:03,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:03,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:03,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:04,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:03:22,145 WARN L207 SmtUtils]: Spent 10.78 s on a formula simplification. DAG size of input: 483 DAG size of output: 39 [2021-10-29 06:03:38,530 WARN L207 SmtUtils]: Spent 10.89 s on a formula simplification. DAG size of input: 493 DAG size of output: 39 [2021-10-29 06:03:45,902 WARN L207 SmtUtils]: Spent 5.28 s on a formula simplification. DAG size of input: 341 DAG size of output: 40 [2021-10-29 06:03:48,779 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 590) no Hoare annotation was computed. [2021-10-29 06:03:48,779 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 502) no Hoare annotation was computed. [2021-10-29 06:03:48,780 INFO L853 garLoopResultBuilder]: At program point L168(lines 163 171) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse6 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) .cse7) (and .cse0 .cse1 .cse2 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse2 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse3 (not (= ~waterLevel~0 (_ bv2 32))) .cse5 .cse6 (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-29 06:03:48,780 INFO L853 garLoopResultBuilder]: At program point L168-1(lines 163 171) the Hoare annotation is: false [2021-10-29 06:03:48,780 INFO L853 garLoopResultBuilder]: At program point L168-2(lines 163 171) the Hoare annotation is: false [2021-10-29 06:03:48,781 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 82) no Hoare annotation was computed. [2021-10-29 06:03:48,782 INFO L853 garLoopResultBuilder]: At program point L69-1(lines 1 959) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse8 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse12 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse9 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32))) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv0 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse14 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse1 .cse2 .cse3 .cse8 .cse4 .cse5 .cse9) (and .cse0 .cse7 .cse10 .cse11 .cse12 .cse13 .cse3 .cse8 .cse9) (and .cse0 .cse7 .cse10 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse11 .cse12 .cse13 .cse3 .cse9) (and .cse0 .cse11 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse6) (and .cse0 .cse14 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse10 .cse11 .cse14 .cse13 .cse3 .cse6))) [2021-10-29 06:03:48,783 INFO L857 garLoopResultBuilder]: For program point L69-2(lines 69 82) no Hoare annotation was computed. [2021-10-29 06:03:48,783 INFO L853 garLoopResultBuilder]: At program point L69-3(lines 1 959) the Hoare annotation is: false [2021-10-29 06:03:48,783 INFO L857 garLoopResultBuilder]: For program point L69-4(lines 69 82) no Hoare annotation was computed. [2021-10-29 06:03:48,783 INFO L853 garLoopResultBuilder]: At program point L69-5(lines 1 959) the Hoare annotation is: false [2021-10-29 06:03:48,783 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 536) no Hoare annotation was computed. [2021-10-29 06:03:48,784 INFO L857 garLoopResultBuilder]: For program point L532-2(lines 298 304) no Hoare annotation was computed. [2021-10-29 06:03:48,784 INFO L857 garLoopResultBuilder]: For program point L334(lines 334 342) no Hoare annotation was computed. [2021-10-29 06:03:48,784 INFO L857 garLoopResultBuilder]: For program point L334-1(lines 334 342) no Hoare annotation was computed. [2021-10-29 06:03:48,785 INFO L857 garLoopResultBuilder]: For program point L334-2(lines 334 342) no Hoare annotation was computed. [2021-10-29 06:03:48,785 INFO L857 garLoopResultBuilder]: For program point L334-3(lines 334 342) no Hoare annotation was computed. [2021-10-29 06:03:48,786 INFO L857 garLoopResultBuilder]: For program point L334-4(lines 334 342) no Hoare annotation was computed. [2021-10-29 06:03:48,786 INFO L857 garLoopResultBuilder]: For program point L334-5(lines 334 342) no Hoare annotation was computed. [2021-10-29 06:03:48,786 INFO L853 garLoopResultBuilder]: At program point L136(lines 131 139) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-29 06:03:48,786 INFO L853 garLoopResultBuilder]: At program point L136-1(lines 131 139) the Hoare annotation is: false [2021-10-29 06:03:48,787 INFO L853 garLoopResultBuilder]: At program point L136-2(lines 131 139) the Hoare annotation is: (let ((.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse6 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse13 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse11 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse12 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 (_ bv0 32)))) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse10 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse1 .cse2 .cse11 .cse12 .cse4 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse13 .cse14 .cse4 .cse5 .cse6 .cse7 .cse10) (and .cse1 .cse2 .cse13 .cse11 .cse12 .cse14 .cse4 .cse10))) [2021-10-29 06:03:48,789 INFO L853 garLoopResultBuilder]: At program point L136-3(lines 131 139) the Hoare annotation is: (let ((.cse8 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse7 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse12 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse10 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse11 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse2 .cse8 .cse4 .cse5 .cse9) (and .cse0 .cse8 .cse5 .cse10 .cse11 .cse9) (and .cse0 .cse1 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse12 .cse5 .cse6 .cse10 .cse11 .cse7) (and .cse0 .cse12 .cse5 .cse10 .cse11 .cse9))) [2021-10-29 06:03:48,789 INFO L853 garLoopResultBuilder]: At program point L136-4(lines 131 139) the Hoare annotation is: false [2021-10-29 06:03:48,790 INFO L853 garLoopResultBuilder]: At program point L136-5(lines 131 139) the Hoare annotation is: false [2021-10-29 06:03:48,790 INFO L853 garLoopResultBuilder]: At program point L136-6(lines 131 139) the Hoare annotation is: false [2021-10-29 06:03:48,790 INFO L853 garLoopResultBuilder]: At program point L136-7(lines 131 139) the Hoare annotation is: false [2021-10-29 06:03:48,790 INFO L853 garLoopResultBuilder]: At program point L136-8(lines 131 139) the Hoare annotation is: false [2021-10-29 06:03:48,790 INFO L853 garLoopResultBuilder]: At program point L136-9(lines 131 139) the Hoare annotation is: false [2021-10-29 06:03:48,790 INFO L853 garLoopResultBuilder]: At program point L136-10(lines 131 139) the Hoare annotation is: false [2021-10-29 06:03:48,791 INFO L853 garLoopResultBuilder]: At program point L136-11(lines 131 139) the Hoare annotation is: false [2021-10-29 06:03:48,791 INFO L857 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-10-29 06:03:48,791 INFO L857 garLoopResultBuilder]: For program point L203-1(lines 298 304) no Hoare annotation was computed. [2021-10-29 06:03:48,791 INFO L857 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2021-10-29 06:03:48,792 INFO L857 garLoopResultBuilder]: For program point L73-2(lines 73 79) no Hoare annotation was computed. [2021-10-29 06:03:48,792 INFO L857 garLoopResultBuilder]: For program point L73-4(lines 73 79) no Hoare annotation was computed. [2021-10-29 06:03:48,792 INFO L853 garLoopResultBuilder]: At program point L305(lines 305 311) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse7 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32))) (.cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse9 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse11 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse12 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse5 .cse6 .cse9 .cse10 .cse7) (and .cse0 .cse11 .cse5 .cse9 .cse12) (and .cse0 .cse8 .cse5 .cse9 .cse10 .cse12) (and .cse0 .cse2 .cse11 .cse5 .cse12))) [2021-10-29 06:03:48,792 INFO L853 garLoopResultBuilder]: At program point L305-1(lines 305 311) the Hoare annotation is: false [2021-10-29 06:03:48,792 INFO L853 garLoopResultBuilder]: At program point L305-2(lines 305 311) the Hoare annotation is: false [2021-10-29 06:03:48,792 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 590) no Hoare annotation was computed. [2021-10-29 06:03:48,792 INFO L857 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2021-10-29 06:03:48,792 INFO L853 garLoopResultBuilder]: At program point L506-1(lines 506 512) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse8 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse11 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse9 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32))) (.cse10 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv0 32))) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse5 .cse6 .cse3) (and .cse0 .cse7 .cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse2 .cse8 .cse5 .cse6 .cse9) (and .cse0 .cse7 .cse10 .cse1 .cse11 .cse12 .cse2 .cse8 .cse9) (and .cse0 .cse7 .cse10 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse1 .cse11 .cse12 .cse2 .cse9) (and .cse0 .cse10 .cse1 .cse12 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-29 06:03:48,793 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 282) no Hoare annotation was computed. [2021-10-29 06:03:48,793 INFO L860 garLoopResultBuilder]: At program point L275-1(lines 275 282) the Hoare annotation is: true [2021-10-29 06:03:48,793 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 182) no Hoare annotation was computed. [2021-10-29 06:03:48,793 INFO L857 garLoopResultBuilder]: For program point L176-1(lines 176 182) no Hoare annotation was computed. [2021-10-29 06:03:48,793 INFO L857 garLoopResultBuilder]: For program point L176-2(lines 176 182) no Hoare annotation was computed. [2021-10-29 06:03:48,793 INFO L857 garLoopResultBuilder]: For program point L176-3(lines 176 182) no Hoare annotation was computed. [2021-10-29 06:03:48,793 INFO L857 garLoopResultBuilder]: For program point L176-4(lines 176 182) no Hoare annotation was computed. [2021-10-29 06:03:48,793 INFO L857 garLoopResultBuilder]: For program point L176-5(lines 176 182) no Hoare annotation was computed. [2021-10-29 06:03:48,794 INFO L853 garLoopResultBuilder]: At program point L573(lines 1 959) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:03:48,794 INFO L857 garLoopResultBuilder]: For program point L111(lines 111 115) no Hoare annotation was computed. [2021-10-29 06:03:48,794 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2021-10-29 06:03:48,794 INFO L857 garLoopResultBuilder]: For program point L475-2(lines 475 479) no Hoare annotation was computed. [2021-10-29 06:03:48,794 INFO L857 garLoopResultBuilder]: For program point L475-3(lines 475 479) no Hoare annotation was computed. [2021-10-29 06:03:48,794 INFO L857 garLoopResultBuilder]: For program point L475-5(lines 475 479) no Hoare annotation was computed. [2021-10-29 06:03:48,794 INFO L857 garLoopResultBuilder]: For program point L475-6(lines 475 479) no Hoare annotation was computed. [2021-10-29 06:03:48,794 INFO L857 garLoopResultBuilder]: For program point L475-8(lines 475 479) no Hoare annotation was computed. [2021-10-29 06:03:48,794 INFO L857 garLoopResultBuilder]: For program point L475-9(lines 475 479) no Hoare annotation was computed. [2021-10-29 06:03:48,794 INFO L857 garLoopResultBuilder]: For program point L475-11(lines 475 479) no Hoare annotation was computed. [2021-10-29 06:03:48,794 INFO L857 garLoopResultBuilder]: For program point L475-12(lines 475 479) no Hoare annotation was computed. [2021-10-29 06:03:48,795 INFO L857 garLoopResultBuilder]: For program point L475-14(lines 475 479) no Hoare annotation was computed. [2021-10-29 06:03:48,795 INFO L857 garLoopResultBuilder]: For program point L475-15(lines 475 479) no Hoare annotation was computed. [2021-10-29 06:03:48,795 INFO L857 garLoopResultBuilder]: For program point L475-17(lines 475 479) no Hoare annotation was computed. [2021-10-29 06:03:48,795 INFO L853 garLoopResultBuilder]: At program point L542(lines 495 543) the Hoare annotation is: false [2021-10-29 06:03:48,795 INFO L853 garLoopResultBuilder]: At program point L181(lines 172 185) the Hoare annotation is: false [2021-10-29 06:03:48,795 INFO L853 garLoopResultBuilder]: At program point L181-1(lines 172 185) the Hoare annotation is: (let ((.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse8 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5) (and .cse0 .cse7 .cse8 .cse2 .cse4 .cse5) (and .cse0 .cse7 .cse6 .cse8 .cse2 .cse5))) [2021-10-29 06:03:48,795 INFO L853 garLoopResultBuilder]: At program point L181-2(lines 172 185) the Hoare annotation is: false [2021-10-29 06:03:48,795 INFO L853 garLoopResultBuilder]: At program point L181-3(lines 172 185) the Hoare annotation is: false [2021-10-29 06:03:48,795 INFO L853 garLoopResultBuilder]: At program point L181-4(lines 172 185) the Hoare annotation is: false [2021-10-29 06:03:48,796 INFO L853 garLoopResultBuilder]: At program point L181-5(lines 172 185) the Hoare annotation is: false [2021-10-29 06:03:48,796 INFO L853 garLoopResultBuilder]: At program point L248(lines 244 250) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:03:48,796 INFO L853 garLoopResultBuilder]: At program point L481(lines 466 484) the Hoare annotation is: false [2021-10-29 06:03:48,796 INFO L853 garLoopResultBuilder]: At program point L481-1(lines 466 484) the Hoare annotation is: (let ((.cse15 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse9 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse3 (not .cse15)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv1 32))) (.cse12 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse2 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse8 .cse3 .cse4 .cse5 .cse7) (and .cse1 .cse9 .cse3 .cse10 .cse4 .cse11 .cse12 .cse6 .cse7) (and .cse1 .cse9 .cse8 .cse3 .cse10 .cse4 .cse11 .cse12 .cse7) (and .cse0 .cse1 .cse2 .cse13 .cse8 .cse4 .cse14 .cse5 .cse7) (and .cse0 .cse1 .cse15 .cse13 .cse4 .cse14 .cse5 .cse6 .cse7)))) [2021-10-29 06:03:48,796 INFO L853 garLoopResultBuilder]: At program point L481-2(lines 466 484) the Hoare annotation is: false [2021-10-29 06:03:48,796 INFO L853 garLoopResultBuilder]: At program point L481-3(lines 466 484) the Hoare annotation is: false [2021-10-29 06:03:48,796 INFO L853 garLoopResultBuilder]: At program point L481-4(lines 466 484) the Hoare annotation is: false [2021-10-29 06:03:48,796 INFO L853 garLoopResultBuilder]: At program point L481-5(lines 466 484) the Hoare annotation is: false [2021-10-29 06:03:48,796 INFO L853 garLoopResultBuilder]: At program point L581(lines 576 584) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 06:03:48,797 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 06:03:48,797 INFO L860 garLoopResultBuilder]: At program point L284(lines 265 287) the Hoare annotation is: true [2021-10-29 06:03:48,797 INFO L857 garLoopResultBuilder]: For program point L516(lines 516 522) no Hoare annotation was computed. [2021-10-29 06:03:48,797 INFO L853 garLoopResultBuilder]: At program point L516-1(lines 516 522) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse9 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse7) (and .cse0 .cse5 .cse8 .cse1 .cse9 .cse10 .cse2 .cse7) (and .cse0 .cse5 .cse2 .cse6 .cse4 .cse7) (and .cse0 .cse5 .cse8 .cse9 .cse10 .cse2 .cse4 .cse7))) [2021-10-29 06:03:48,797 INFO L853 garLoopResultBuilder]: At program point L417(lines 410 420) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-29 06:03:48,797 INFO L853 garLoopResultBuilder]: At program point L417-1(lines 410 420) the Hoare annotation is: false [2021-10-29 06:03:48,797 INFO L853 garLoopResultBuilder]: At program point L417-2(lines 410 420) the Hoare annotation is: (let ((.cse17 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse3 (not .cse17)) (.cse5 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 (_ bv0 32)))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse12 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv0 32))) (.cse9 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (.cse7 (= ~systemActive~0 (_ bv1 32))) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse15 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2)) (.cse16 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse10 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse11 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse3 .cse9 .cse5 .cse7 .cse10 .cse11 .cse8) (and .cse12 .cse0 .cse1 .cse13 .cse2 .cse4 .cse6 .cse7 .cse14 .cse15 .cse16 .cse8) (and .cse12 .cse0 .cse17 .cse13 .cse9 .cse7 .cse14 .cse15 .cse16 .cse10 .cse11 .cse8)))) [2021-10-29 06:03:48,798 INFO L853 garLoopResultBuilder]: At program point L417-3(lines 410 420) the Hoare annotation is: false [2021-10-29 06:03:48,799 INFO L853 garLoopResultBuilder]: At program point L417-4(lines 410 420) the Hoare annotation is: false [2021-10-29 06:03:48,799 INFO L853 garLoopResultBuilder]: At program point L417-5(lines 410 420) the Hoare annotation is: false [2021-10-29 06:03:48,799 INFO L853 garLoopResultBuilder]: At program point L417-6(lines 410 420) the Hoare annotation is: false [2021-10-29 06:03:48,799 INFO L853 garLoopResultBuilder]: At program point L417-7(lines 410 420) the Hoare annotation is: false [2021-10-29 06:03:48,799 INFO L853 garLoopResultBuilder]: At program point L417-8(lines 410 420) the Hoare annotation is: false [2021-10-29 06:03:48,799 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 127) no Hoare annotation was computed. [2021-10-29 06:03:48,799 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 06:03:48,799 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 373) no Hoare annotation was computed. [2021-10-29 06:03:48,800 INFO L857 garLoopResultBuilder]: For program point L356-1(lines 356 373) no Hoare annotation was computed. [2021-10-29 06:03:48,800 INFO L857 garLoopResultBuilder]: For program point L356-2(lines 356 373) no Hoare annotation was computed. [2021-10-29 06:03:48,800 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 06:03:48,800 INFO L857 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-10-29 06:03:48,800 INFO L857 garLoopResultBuilder]: For program point L590-1(line 590) no Hoare annotation was computed. [2021-10-29 06:03:48,800 INFO L857 garLoopResultBuilder]: For program point L590-2(line 590) no Hoare annotation was computed. [2021-10-29 06:03:48,800 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 398) no Hoare annotation was computed. [2021-10-29 06:03:48,800 INFO L857 garLoopResultBuilder]: For program point L392-2(lines 392 398) no Hoare annotation was computed. [2021-10-29 06:03:48,800 INFO L857 garLoopResultBuilder]: For program point L392-4(lines 392 398) no Hoare annotation was computed. [2021-10-29 06:03:48,801 INFO L857 garLoopResultBuilder]: For program point L392-6(lines 392 398) no Hoare annotation was computed. [2021-10-29 06:03:48,801 INFO L857 garLoopResultBuilder]: For program point L392-8(lines 392 398) no Hoare annotation was computed. [2021-10-29 06:03:48,801 INFO L857 garLoopResultBuilder]: For program point L392-10(lines 392 398) no Hoare annotation was computed. [2021-10-29 06:03:48,801 INFO L853 garLoopResultBuilder]: At program point L426(lines 421 429) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0)) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse7 (= ~systemActive~0 (_ bv1 32))) (.cse8 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse9 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) .cse8 .cse9))) [2021-10-29 06:03:48,801 INFO L853 garLoopResultBuilder]: At program point L426-1(lines 421 429) the Hoare annotation is: false [2021-10-29 06:03:48,801 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 368) no Hoare annotation was computed. [2021-10-29 06:03:48,801 INFO L853 garLoopResultBuilder]: At program point L426-2(lines 421 429) the Hoare annotation is: false [2021-10-29 06:03:48,801 INFO L857 garLoopResultBuilder]: For program point L360-1(lines 360 368) no Hoare annotation was computed. [2021-10-29 06:03:48,801 INFO L857 garLoopResultBuilder]: For program point L360-2(lines 360 368) no Hoare annotation was computed. [2021-10-29 06:03:48,801 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 83) no Hoare annotation was computed. [2021-10-29 06:03:48,801 INFO L857 garLoopResultBuilder]: For program point L63-2(lines 63 83) no Hoare annotation was computed. [2021-10-29 06:03:48,802 INFO L857 garLoopResultBuilder]: For program point L63-4(lines 63 83) no Hoare annotation was computed. [2021-10-29 06:03:48,802 INFO L857 garLoopResultBuilder]: For program point L526(lines 526 537) no Hoare annotation was computed. [2021-10-29 06:03:48,802 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 06:03:48,802 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 590) no Hoare annotation was computed. [2021-10-29 06:03:48,802 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 347) no Hoare annotation was computed. [2021-10-29 06:03:48,815 INFO L857 garLoopResultBuilder]: For program point L330-1(lines 330 347) no Hoare annotation was computed. [2021-10-29 06:03:48,815 INFO L857 garLoopResultBuilder]: For program point L330-2(lines 330 347) no Hoare annotation was computed. [2021-10-29 06:03:48,815 INFO L857 garLoopResultBuilder]: For program point L330-3(lines 330 347) no Hoare annotation was computed. [2021-10-29 06:03:48,815 INFO L857 garLoopResultBuilder]: For program point L330-4(lines 330 347) no Hoare annotation was computed. [2021-10-29 06:03:48,815 INFO L857 garLoopResultBuilder]: For program point L330-5(lines 330 347) no Hoare annotation was computed. [2021-10-29 06:03:48,816 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 103) no Hoare annotation was computed. [2021-10-29 06:03:48,817 INFO L857 garLoopResultBuilder]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2021-10-29 06:03:48,817 INFO L857 garLoopResultBuilder]: For program point L99-6(lines 99 103) no Hoare annotation was computed. [2021-10-29 06:03:48,818 INFO L853 garLoopResultBuilder]: At program point L298(lines 297 316) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))) (.cse9 (not (bvslt (bvadd ~waterLevel~0 (_ bv1 32)) (_ bv2 32)))) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= ULTIMATE.start_activatePump_~tmp~4 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse7) (and .cse0 .cse5 .cse1 .cse8 .cse9 .cse10 .cse2 .cse7) (and .cse0 .cse5 .cse2 .cse6 .cse4 .cse7) (and .cse0 .cse5 .cse8 .cse9 .cse10 .cse2 .cse4 .cse7))) [2021-10-29 06:03:48,818 INFO L857 garLoopResultBuilder]: For program point L298-1(lines 298 304) no Hoare annotation was computed. [2021-10-29 06:03:48,818 INFO L853 garLoopResultBuilder]: At program point L298-2(lines 297 316) the Hoare annotation is: false [2021-10-29 06:03:48,818 INFO L853 garLoopResultBuilder]: At program point L298-3(lines 297 316) the Hoare annotation is: false [2021-10-29 06:03:48,818 INFO L853 garLoopResultBuilder]: At program point L199-2(lines 199 213) the Hoare annotation is: false [2021-10-29 06:03:48,818 INFO L857 garLoopResultBuilder]: For program point L497(lines 496 541) no Hoare annotation was computed. [2021-10-29 06:03:48,819 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-29 06:03:48,823 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:03:48,825 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 06:03:48,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:03:48 BoogieIcfgContainer [2021-10-29 06:03:48,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 06:03:48,910 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 06:03:48,910 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 06:03:48,910 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 06:03:48,911 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:02:13" (3/4) ... [2021-10-29 06:03:48,914 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 06:03:48,937 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 06:03:48,939 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 06:03:48,941 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 06:03:48,942 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 06:03:48,944 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 06:03:48,945 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 06:03:48,947 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 06:03:48,977 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0bv32 && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 06:03:48,978 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 06:03:48,979 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) [2021-10-29 06:03:48,979 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !~bvslt32(~bvadd64(waterLevel, 1bv32), 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && !~bvslt32(~bvadd64(waterLevel, 1bv32), 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) [2021-10-29 06:03:48,980 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 06:03:48,985 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 06:03:48,986 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) [2021-10-29 06:03:48,987 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) [2021-10-29 06:03:48,987 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 06:03:48,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 06:03:48,996 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 06:03:48,997 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0bv32 && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 1bv32 == \result) && tmp == 0bv32) || ((((((((((splverifierCounter == 0bv32 && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 1bv32 == \result) && tmp == 0bv32) [2021-10-29 06:03:49,001 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && !(tmp == 0bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && !(tmp == 0bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 06:03:49,001 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && \result == 1bv32) && !(tmp == 0bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 06:03:49,089 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 06:03:49,089 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 06:03:49,091 INFO L168 Benchmark]: Toolchain (without parser) took 99584.47 ms. Allocated memory was 81.8 MB in the beginning and 377.5 MB in the end (delta: 295.7 MB). Free memory was 45.5 MB in the beginning and 143.1 MB in the end (delta: -97.6 MB). Peak memory consumption was 200.1 MB. Max. memory is 16.1 GB. [2021-10-29 06:03:49,092 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 81.8 MB. Free memory was 62.8 MB in the beginning and 62.8 MB in the end (delta: 72.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 06:03:49,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 863.14 ms. Allocated memory is still 81.8 MB. Free memory was 45.3 MB in the beginning and 52.0 MB in the end (delta: -6.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-29 06:03:49,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.08 ms. Allocated memory is still 81.8 MB. Free memory was 52.0 MB in the beginning and 48.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 06:03:49,094 INFO L168 Benchmark]: Boogie Preprocessor took 103.25 ms. Allocated memory is still 81.8 MB. Free memory was 47.9 MB in the beginning and 45.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 06:03:49,094 INFO L168 Benchmark]: RCFGBuilder took 2835.33 ms. Allocated memory was 81.8 MB in the beginning and 123.7 MB in the end (delta: 41.9 MB). Free memory was 44.9 MB in the beginning and 85.6 MB in the end (delta: -40.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2021-10-29 06:03:49,095 INFO L168 Benchmark]: TraceAbstraction took 95488.39 ms. Allocated memory was 123.7 MB in the beginning and 377.5 MB in the end (delta: 253.8 MB). Free memory was 85.0 MB in the beginning and 154.6 MB in the end (delta: -69.6 MB). Peak memory consumption was 222.8 MB. Max. memory is 16.1 GB. [2021-10-29 06:03:49,096 INFO L168 Benchmark]: Witness Printer took 179.70 ms. Allocated memory is still 377.5 MB. Free memory was 154.6 MB in the beginning and 143.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 06:03:49,099 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 81.8 MB. Free memory was 62.8 MB in the beginning and 62.8 MB in the end (delta: 72.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 863.14 ms. Allocated memory is still 81.8 MB. Free memory was 45.3 MB in the beginning and 52.0 MB in the end (delta: -6.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.08 ms. Allocated memory is still 81.8 MB. Free memory was 52.0 MB in the beginning and 48.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 103.25 ms. Allocated memory is still 81.8 MB. Free memory was 47.9 MB in the beginning and 45.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2835.33 ms. Allocated memory was 81.8 MB in the beginning and 123.7 MB in the end (delta: 41.9 MB). Free memory was 44.9 MB in the beginning and 85.6 MB in the end (delta: -40.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 95488.39 ms. Allocated memory was 123.7 MB in the beginning and 377.5 MB in the end (delta: 253.8 MB). Free memory was 85.0 MB in the beginning and 154.6 MB in the end (delta: -69.6 MB). Peak memory consumption was 222.8 MB. Max. memory is 16.1 GB. * Witness Printer took 179.70 ms. Allocated memory is still 377.5 MB. Free memory was 154.6 MB in the beginning and 143.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 590]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 590]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 590]: 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, 135 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 95.3s, OverallIterations: 17, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 61.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2112 SDtfs, 3838 SDslu, 5790 SDs, 0 SdLazy, 868 SolverSat, 137 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1404 GetRequests, 1282 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=867occurred in iteration=13, InterpolantAutomatonStates: 130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 17 MinimizatonAttempts, 6149 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 386 NumberOfFragments, 1664 HoareAnnotationTreeSize, 57 FomulaSimplifications, 860772154 FormulaSimplificationTreeSizeReduction, 17.2s HoareSimplificationTime, 57 FomulaSimplificationsInter, 26638628 FormulaSimplificationTreeSizeReductionInter, 44.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 684 NumberOfCodeBlocks, 684 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1334 ConstructedInterpolants, 0 QuantifiedInterpolants, 2481 SizeOfPredicates, 42 NumberOfNonLiveVariables, 3833 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 34 InterpolantComputations, 34 PerfectInterpolantSequences, 218/218 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: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && \result == 1bv32) && !(tmp == 0bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !~bvslt32(~bvadd64(waterLevel, 1bv32), 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && !~bvslt32(~bvadd64(waterLevel, 1bv32), 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && !(tmp == 0bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 1bv32 == tmp) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && !(tmp == 0bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0bv32 && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 1bv32 == \result) && tmp == 0bv32) || ((((((((((splverifierCounter == 0bv32 && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 1bv32 == \result) && tmp == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0bv32 && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && tmp == 0bv32) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-10-29 06:03:49,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09b9c327-9b5e-4b27-a24c-45cc691f3b4f/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...