./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5340faf3ec1f0e0bc66d280fc3b45c510e704ff1d108d74101ee8606e665888 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:50:47,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:50:47,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:50:48,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:50:48,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:50:48,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:50:48,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:50:48,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:50:48,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:50:48,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:50:48,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:50:48,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:50:48,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:50:48,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:50:48,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:50:48,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:50:48,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:50:48,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:50:48,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:50:48,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:50:48,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:50:48,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:50:48,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:50:48,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:50:48,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:50:48,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:50:48,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:50:48,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:50:48,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:50:48,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:50:48,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:50:48,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:50:48,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:50:48,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:50:48,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:50:48,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:50:48,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:50:48,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:50:48,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:50:48,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:50:48,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:50:48,104 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:50:48,144 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:50:48,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:50:48,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:50:48,146 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:50:48,147 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:50:48,147 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:50:48,148 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:50:48,148 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:50:48,148 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:50:48,148 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:50:48,149 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:50:48,150 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:50:48,150 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:50:48,150 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:50:48,150 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:50:48,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:50:48,151 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:50:48,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:50:48,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:50:48,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:50:48,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:50:48,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:50:48,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:50:48,153 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:50:48,153 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:50:48,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:50:48,154 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:50:48,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:50:48,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:50:48,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:50:48,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:50:48,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:50:48,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:50:48,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:50:48,157 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:50:48,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:50:48,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:50:48,158 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:50:48,158 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:50:48,159 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_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5340faf3ec1f0e0bc66d280fc3b45c510e704ff1d108d74101ee8606e665888 [2021-11-07 01:50:48,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:50:48,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:50:48,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:50:48,483 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:50:48,484 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:50:48,485 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2021-11-07 01:50:48,549 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/data/7969df284/de270331cf9f413f8729e48eb8fadb94/FLAGfe14201c1 [2021-11-07 01:50:49,011 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:50:49,012 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2021-11-07 01:50:49,025 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/data/7969df284/de270331cf9f413f8729e48eb8fadb94/FLAGfe14201c1 [2021-11-07 01:50:49,347 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/data/7969df284/de270331cf9f413f8729e48eb8fadb94 [2021-11-07 01:50:49,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:50:49,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:50:49,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:50:49,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:50:49,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:50:49,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:50:49" (1/1) ... [2021-11-07 01:50:49,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb6532a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:49, skipping insertion in model container [2021-11-07 01:50:49,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:50:49" (1/1) ... [2021-11-07 01:50:49,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:50:49,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:50:49,565 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_46e2c505-ee86-4186-8d19-ab97fd3c60aa/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c[1605,1618] [2021-11-07 01:50:49,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:50:49,734 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:50:49,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4a4d696c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:49, skipping insertion in model container [2021-11-07 01:50:49,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:50:49,735 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:50:49,737 INFO L168 Benchmark]: Toolchain (without parser) took 384.54 ms. Allocated memory is still 100.7 MB. Free memory was 77.5 MB in the beginning and 72.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:50:49,738 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 81.8 MB. Free memory was 59.0 MB in the beginning and 59.0 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:50:49,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.07 ms. Allocated memory is still 100.7 MB. Free memory was 77.5 MB in the beginning and 72.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:50:49,741 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 81.8 MB. Free memory was 59.0 MB in the beginning and 59.0 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 382.07 ms. Allocated memory is still 100.7 MB. Free memory was 77.5 MB in the beginning and 72.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 574]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5340faf3ec1f0e0bc66d280fc3b45c510e704ff1d108d74101ee8606e665888 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:50:51,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:50:51,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:50:51,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:50:51,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:50:51,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:50:51,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:50:51,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:50:51,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:50:51,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:50:51,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:50:51,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:50:51,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:50:51,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:50:51,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:50:51,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:50:51,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:50:51,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:50:51,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:50:51,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:50:51,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:50:51,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:50:51,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:50:51,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:50:51,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:50:51,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:50:51,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:50:51,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:50:51,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:50:51,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:50:51,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:50:51,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:50:51,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:50:51,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:50:51,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:50:51,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:50:51,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:50:51,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:50:51,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:50:51,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:50:51,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:50:51,952 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:50:51,996 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:50:51,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:50:51,998 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:50:51,998 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:50:51,998 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:50:51,998 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:50:51,999 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:50:51,999 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:50:51,999 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:50:52,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:50:52,002 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:50:52,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:50:52,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:50:52,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:50:52,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:50:52,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:50:52,003 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:50:52,003 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:50:52,003 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:50:52,003 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:50:52,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:50:52,004 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:50:52,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:50:52,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:50:52,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:50:52,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:50:52,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:50:52,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:50:52,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:50:52,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:50:52,006 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:50:52,006 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:50:52,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:50:52,006 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:50:52,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:50:52,007 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_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5340faf3ec1f0e0bc66d280fc3b45c510e704ff1d108d74101ee8606e665888 [2021-11-07 01:50:52,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:50:52,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:50:52,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:50:52,447 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:50:52,448 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:50:52,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2021-11-07 01:50:52,526 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/data/1e8a5eaaf/88e5e1c37d5f4abbb6914c2f7e1079e0/FLAG25be3f882 [2021-11-07 01:50:53,208 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:50:53,220 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2021-11-07 01:50:53,238 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/data/1e8a5eaaf/88e5e1c37d5f4abbb6914c2f7e1079e0/FLAG25be3f882 [2021-11-07 01:50:53,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/data/1e8a5eaaf/88e5e1c37d5f4abbb6914c2f7e1079e0 [2021-11-07 01:50:53,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:50:53,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:50:53,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:50:53,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:50:53,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:50:53,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:50:53" (1/1) ... [2021-11-07 01:50:53,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184d3f80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:53, skipping insertion in model container [2021-11-07 01:50:53,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:50:53" (1/1) ... [2021-11-07 01:50:53,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:50:53,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:50:53,729 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_46e2c505-ee86-4186-8d19-ab97fd3c60aa/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c[1605,1618] [2021-11-07 01:50:53,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:50:53,930 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:50:53,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:50:53,943 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_46e2c505-ee86-4186-8d19-ab97fd3c60aa/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c[1605,1618] [2021-11-07 01:50:54,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:50:54,052 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:50:54,066 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_46e2c505-ee86-4186-8d19-ab97fd3c60aa/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c[1605,1618] [2021-11-07 01:50:54,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:50:54,143 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:50:54,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:54 WrapperNode [2021-11-07 01:50:54,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:50:54,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:50:54,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:50:54,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:50:54,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:54" (1/1) ... [2021-11-07 01:50:54,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:54" (1/1) ... [2021-11-07 01:50:54,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:50:54,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:50:54,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:50:54,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:50:54,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:54" (1/1) ... [2021-11-07 01:50:54,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:54" (1/1) ... [2021-11-07 01:50:54,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:54" (1/1) ... [2021-11-07 01:50:54,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:54" (1/1) ... [2021-11-07 01:50:54,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:54" (1/1) ... [2021-11-07 01:50:54,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:54" (1/1) ... [2021-11-07 01:50:54,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:54" (1/1) ... [2021-11-07 01:50:54,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:50:54,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:50:54,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:50:54,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:50:54,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:54" (1/1) ... [2021-11-07 01:50:54,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:50:54,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:50:54,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:50:54,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:50:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:50:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:50:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:50:54,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:50:57,056 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:50:57,057 INFO L299 CfgBuilder]: Removed 348 assume(true) statements. [2021-11-07 01:50:57,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:50:57 BoogieIcfgContainer [2021-11-07 01:50:57,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:50:57,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:50:57,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:50:57,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:50:57,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:50:53" (1/3) ... [2021-11-07 01:50:57,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fdcabb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:50:57, skipping insertion in model container [2021-11-07 01:50:57,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:54" (2/3) ... [2021-11-07 01:50:57,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fdcabb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:50:57, skipping insertion in model container [2021-11-07 01:50:57,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:50:57" (3/3) ... [2021-11-07 01:50:57,070 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product61.cil.c [2021-11-07 01:50:57,075 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:50:57,075 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:50:57,124 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:50:57,129 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:50:57,130 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:50:57,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 225 states, 221 states have (on average 1.5203619909502262) internal successors, (336), 224 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:57,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:50:57,155 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:50:57,155 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:50:57,156 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:50:57,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:50:57,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1538221509, now seen corresponding path program 1 times [2021-11-07 01:50:57,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:50:57,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [796955984] [2021-11-07 01:50:57,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:50:57,175 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:50:57,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:50:57,180 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:50:57,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:50:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:50:57,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:50:57,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:50:57,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:50:57,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:50:57,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:50:57,526 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:50:57,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [796955984] [2021-11-07 01:50:57,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [796955984] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:50:57,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:50:57,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:50:57,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171416438] [2021-11-07 01:50:57,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:50:57,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:50:57,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:50:57,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:50:57,549 INFO L87 Difference]: Start difference. First operand has 225 states, 221 states have (on average 1.5203619909502262) internal successors, (336), 224 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:57,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:50:57,648 INFO L93 Difference]: Finished difference Result 444 states and 665 transitions. [2021-11-07 01:50:57,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:50:57,649 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-07 01:50:57,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:50:57,660 INFO L225 Difference]: With dead ends: 444 [2021-11-07 01:50:57,673 INFO L226 Difference]: Without dead ends: 221 [2021-11-07 01:50:57,677 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:50:57,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-07 01:50:57,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2021-11-07 01:50:57,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 218 states have (on average 1.4862385321100917) internal successors, (324), 220 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:57,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 324 transitions. [2021-11-07 01:50:57,778 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 324 transitions. Word has length 16 [2021-11-07 01:50:57,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:50:57,782 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 324 transitions. [2021-11-07 01:50:57,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:57,783 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 324 transitions. [2021-11-07 01:50:57,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:50:57,785 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:50:57,785 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:50:57,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:50:57,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:50:57,986 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:50:57,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:50:57,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1505952337, now seen corresponding path program 1 times [2021-11-07 01:50:57,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:50:57,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787613916] [2021-11-07 01:50:57,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:50:57,988 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:50:57,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:50:57,990 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:50:57,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:50:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:50:58,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:50:58,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:50:58,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:50:58,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:50:58,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:50:58,342 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:50:58,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787613916] [2021-11-07 01:50:58,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1787613916] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:50:58,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:50:58,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:50:58,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095966875] [2021-11-07 01:50:58,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:50:58,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:50:58,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:50:58,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:50:58,345 INFO L87 Difference]: Start difference. First operand 221 states and 324 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:58,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:50:58,369 INFO L93 Difference]: Finished difference Result 221 states and 324 transitions. [2021-11-07 01:50:58,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:50:58,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-07 01:50:58,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:50:58,371 INFO L225 Difference]: With dead ends: 221 [2021-11-07 01:50:58,371 INFO L226 Difference]: Without dead ends: 83 [2021-11-07 01:50:58,372 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:50:58,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-11-07 01:50:58,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-11-07 01:50:58,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.475609756097561) internal successors, (121), 82 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:58,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2021-11-07 01:50:58,382 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 17 [2021-11-07 01:50:58,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:50:58,382 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2021-11-07 01:50:58,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:58,383 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2021-11-07 01:50:58,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:50:58,384 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:50:58,384 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:50:58,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:50:58,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:50:58,598 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:50:58,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:50:58,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1849279646, now seen corresponding path program 1 times [2021-11-07 01:50:58,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:50:58,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [857209997] [2021-11-07 01:50:58,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:50:58,600 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:50:58,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:50:58,603 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:50:58,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:50:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:50:58,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:50:58,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:50:58,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:50:58,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:50:58,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:50:58,998 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:50:58,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [857209997] [2021-11-07 01:50:58,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [857209997] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:50:58,999 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:50:59,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:50:59,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717098002] [2021-11-07 01:50:59,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:50:59,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:50:59,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:50:59,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:50:59,005 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:59,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:50:59,037 INFO L93 Difference]: Finished difference Result 160 states and 236 transitions. [2021-11-07 01:50:59,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:50:59,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-07 01:50:59,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:50:59,043 INFO L225 Difference]: With dead ends: 160 [2021-11-07 01:50:59,043 INFO L226 Difference]: Without dead ends: 83 [2021-11-07 01:50:59,047 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:50:59,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-11-07 01:50:59,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-11-07 01:50:59,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.4634146341463414) internal successors, (120), 82 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:59,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2021-11-07 01:50:59,062 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 22 [2021-11-07 01:50:59,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:50:59,062 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2021-11-07 01:50:59,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2021-11-07 01:50:59,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:50:59,066 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:50:59,066 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:50:59,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:50:59,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:50:59,279 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:50:59,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:50:59,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1583482167, now seen corresponding path program 1 times [2021-11-07 01:50:59,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:50:59,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808582118] [2021-11-07 01:50:59,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:50:59,281 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:50:59,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:50:59,283 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:50:59,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:50:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:50:59,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:50:59,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:50:59,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:50:59,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:50:59,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:50:59,618 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:50:59,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808582118] [2021-11-07 01:50:59,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808582118] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:50:59,618 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:50:59,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:50:59,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902073505] [2021-11-07 01:50:59,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:50:59,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:50:59,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:50:59,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:50:59,621 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:59,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:50:59,712 INFO L93 Difference]: Finished difference Result 166 states and 242 transitions. [2021-11-07 01:50:59,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:50:59,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-07 01:50:59,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:50:59,714 INFO L225 Difference]: With dead ends: 166 [2021-11-07 01:50:59,714 INFO L226 Difference]: Without dead ends: 89 [2021-11-07 01:50:59,716 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:50:59,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-11-07 01:50:59,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2021-11-07 01:50:59,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 86 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:59,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2021-11-07 01:50:59,729 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 25 [2021-11-07 01:50:59,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:50:59,730 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2021-11-07 01:50:59,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:59,730 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2021-11-07 01:50:59,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 01:50:59,735 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:50:59,736 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] [2021-11-07 01:50:59,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:50:59,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:50:59,948 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:50:59,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:50:59,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1877204683, now seen corresponding path program 1 times [2021-11-07 01:50:59,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:50:59,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1259651071] [2021-11-07 01:50:59,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:50:59,950 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:50:59,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:50:59,951 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:50:59,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:51:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:00,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:51:00,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:00,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:00,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:00,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:00,431 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:00,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1259651071] [2021-11-07 01:51:00,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1259651071] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:00,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:00,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 01:51:00,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321009857] [2021-11-07 01:51:00,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:51:00,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:00,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:51:00,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:51:00,434 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:00,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:00,778 INFO L93 Difference]: Finished difference Result 673 states and 969 transitions. [2021-11-07 01:51:00,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:51:00,779 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 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 31 [2021-11-07 01:51:00,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:00,783 INFO L225 Difference]: With dead ends: 673 [2021-11-07 01:51:00,783 INFO L226 Difference]: Without dead ends: 592 [2021-11-07 01:51:00,785 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:51:00,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2021-11-07 01:51:00,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 204. [2021-11-07 01:51:00,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.3940886699507389) internal successors, (283), 203 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:00,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 283 transitions. [2021-11-07 01:51:00,836 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 283 transitions. Word has length 31 [2021-11-07 01:51:00,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:00,836 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 283 transitions. [2021-11-07 01:51:00,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:00,837 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 283 transitions. [2021-11-07 01:51:00,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-07 01:51:00,842 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:00,843 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-07 01:51:00,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:01,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:51:01,062 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:01,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:01,062 INFO L85 PathProgramCache]: Analyzing trace with hash 26564831, now seen corresponding path program 1 times [2021-11-07 01:51:01,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:01,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384988137] [2021-11-07 01:51:01,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:01,063 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:01,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:01,064 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:01,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:51:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:01,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:51:01,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:01,471 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:51:01,471 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:01,597 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:51:01,598 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:01,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1384988137] [2021-11-07 01:51:01,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1384988137] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:01,598 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:01,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:51:01,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128070336] [2021-11-07 01:51:01,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:51:01,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:01,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:51:01,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:51:01,601 INFO L87 Difference]: Start difference. First operand 204 states and 283 transitions. Second operand has 5 states, 5 states have (on average 10.0) 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) [2021-11-07 01:51:01,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:01,704 INFO L93 Difference]: Finished difference Result 540 states and 739 transitions. [2021-11-07 01:51:01,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:51:01,705 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) 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 52 [2021-11-07 01:51:01,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:01,707 INFO L225 Difference]: With dead ends: 540 [2021-11-07 01:51:01,707 INFO L226 Difference]: Without dead ends: 342 [2021-11-07 01:51:01,708 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:51:01,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-11-07 01:51:01,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 225. [2021-11-07 01:51:01,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 224 states have (on average 1.3571428571428572) internal successors, (304), 224 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:01,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 304 transitions. [2021-11-07 01:51:01,736 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 304 transitions. Word has length 52 [2021-11-07 01:51:01,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:01,738 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 304 transitions. [2021-11-07 01:51:01,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) 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) [2021-11-07 01:51:01,740 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 304 transitions. [2021-11-07 01:51:01,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-07 01:51:01,741 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:01,741 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-07 01:51:01,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:01,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:51:01,954 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:01,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:01,955 INFO L85 PathProgramCache]: Analyzing trace with hash 728164705, now seen corresponding path program 1 times [2021-11-07 01:51:01,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:01,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1153021722] [2021-11-07 01:51:01,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:01,956 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:01,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:01,961 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:01,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:51:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:02,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:51:02,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:02,348 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:51:02,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:02,476 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:51:02,476 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:02,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1153021722] [2021-11-07 01:51:02,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1153021722] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:02,477 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:02,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:51:02,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543143612] [2021-11-07 01:51:02,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:51:02,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:02,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:51:02,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:51:02,479 INFO L87 Difference]: Start difference. First operand 225 states and 304 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:02,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:02,573 INFO L93 Difference]: Finished difference Result 506 states and 680 transitions. [2021-11-07 01:51:02,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:51:02,574 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-07 01:51:02,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:02,578 INFO L225 Difference]: With dead ends: 506 [2021-11-07 01:51:02,579 INFO L226 Difference]: Without dead ends: 287 [2021-11-07 01:51:02,580 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:51:02,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-11-07 01:51:02,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 191. [2021-11-07 01:51:02,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 190 states have (on average 1.3263157894736841) internal successors, (252), 190 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:02,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 252 transitions. [2021-11-07 01:51:02,604 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 252 transitions. Word has length 52 [2021-11-07 01:51:02,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:02,604 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 252 transitions. [2021-11-07 01:51:02,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:02,605 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 252 transitions. [2021-11-07 01:51:02,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-07 01:51:02,606 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:02,606 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] [2021-11-07 01:51:02,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:02,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:51:02,819 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:02,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:02,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1967630623, now seen corresponding path program 1 times [2021-11-07 01:51:02,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:02,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735954635] [2021-11-07 01:51:02,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:02,821 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:02,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:02,822 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:02,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:51:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:03,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:51:03,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:03,346 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:51:03,346 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:51:03,516 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:03,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735954635] [2021-11-07 01:51:03,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735954635] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:03,516 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:03,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:51:03,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032872898] [2021-11-07 01:51:03,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:51:03,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:03,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:51:03,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:51:03,518 INFO L87 Difference]: Start difference. First operand 191 states and 252 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:03,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:03,752 INFO L93 Difference]: Finished difference Result 871 states and 1182 transitions. [2021-11-07 01:51:03,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 01:51:03,752 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-07 01:51:03,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:03,757 INFO L225 Difference]: With dead ends: 871 [2021-11-07 01:51:03,757 INFO L226 Difference]: Without dead ends: 686 [2021-11-07 01:51:03,759 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:51:03,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2021-11-07 01:51:03,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 374. [2021-11-07 01:51:03,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 373 states have (on average 1.3136729222520107) internal successors, (490), 373 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:03,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 490 transitions. [2021-11-07 01:51:03,811 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 490 transitions. Word has length 53 [2021-11-07 01:51:03,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:03,813 INFO L470 AbstractCegarLoop]: Abstraction has 374 states and 490 transitions. [2021-11-07 01:51:03,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:03,814 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 490 transitions. [2021-11-07 01:51:03,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:51:03,815 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:03,816 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:51:03,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:04,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:51:04,029 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:04,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:04,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1827053301, now seen corresponding path program 1 times [2021-11-07 01:51:04,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:04,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443908260] [2021-11-07 01:51:04,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:04,030 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:04,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:04,031 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:04,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:51:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:04,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:51:04,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:04,541 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:51:04,541 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:04,755 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:51:04,755 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:04,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1443908260] [2021-11-07 01:51:04,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1443908260] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:51:04,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1773009282] [2021-11-07 01:51:04,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:04,756 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:51:04,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:51:04,759 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:51:04,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-07 01:51:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:05,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:51:05,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:05,314 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:51:05,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:05,414 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:51:05,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1773009282] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:05,415 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:51:05,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 13 [2021-11-07 01:51:05,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544407192] [2021-11-07 01:51:05,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:51:05,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:05,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:51:05,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:51:05,417 INFO L87 Difference]: Start difference. First operand 374 states and 490 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:05,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:05,716 INFO L93 Difference]: Finished difference Result 1022 states and 1347 transitions. [2021-11-07 01:51:05,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:51:05,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 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 [2021-11-07 01:51:05,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:05,723 INFO L225 Difference]: With dead ends: 1022 [2021-11-07 01:51:05,723 INFO L226 Difference]: Without dead ends: 1020 [2021-11-07 01:51:05,724 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:51:05,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2021-11-07 01:51:05,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 374. [2021-11-07 01:51:05,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 373 states have (on average 1.3083109919571045) internal successors, (488), 373 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:05,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 488 transitions. [2021-11-07 01:51:05,787 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 488 transitions. Word has length 54 [2021-11-07 01:51:05,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:05,787 INFO L470 AbstractCegarLoop]: Abstraction has 374 states and 488 transitions. [2021-11-07 01:51:05,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:05,788 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 488 transitions. [2021-11-07 01:51:05,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-07 01:51:05,794 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:05,795 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, 1, 1, 1, 1] [2021-11-07 01:51:05,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:06,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:06,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:51:06,212 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:06,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:06,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1078505529, now seen corresponding path program 1 times [2021-11-07 01:51:06,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:06,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [600700587] [2021-11-07 01:51:06,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:06,213 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:06,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:06,214 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:06,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 01:51:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:06,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:51:06,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:06,820 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:51:06,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:07,048 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:51:07,048 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:07,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [600700587] [2021-11-07 01:51:07,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [600700587] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:51:07,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [202503897] [2021-11-07 01:51:07,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:07,049 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:51:07,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:51:07,052 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:51:07,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-11-07 01:51:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:07,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:51:07,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:07,721 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:51:07,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:07,955 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:51:07,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [202503897] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:51:07,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598127669] [2021-11-07 01:51:07,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:07,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:51:07,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:51:07,957 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:51:07,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-07 01:51:08,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:08,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:51:08,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:08,624 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:51:08,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:08,840 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:51:08,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598127669] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:51:08,841 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:51:08,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2021-11-07 01:51:08,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452886946] [2021-11-07 01:51:08,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-07 01:51:08,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:08,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-07 01:51:08,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:51:08,843 INFO L87 Difference]: Start difference. First operand 374 states and 488 transitions. Second operand has 12 states, 12 states have (on average 10.0) internal successors, (120), 11 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:12,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:12,758 INFO L93 Difference]: Finished difference Result 4777 states and 6284 transitions. [2021-11-07 01:51:12,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-11-07 01:51:12,758 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.0) internal successors, (120), 11 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-07 01:51:12,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:12,791 INFO L225 Difference]: With dead ends: 4777 [2021-11-07 01:51:12,792 INFO L226 Difference]: Without dead ends: 4459 [2021-11-07 01:51:12,795 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2035 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1040, Invalid=4510, Unknown=0, NotChecked=0, Total=5550 [2021-11-07 01:51:12,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4459 states. [2021-11-07 01:51:12,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4459 to 664. [2021-11-07 01:51:12,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 663 states have (on average 1.3182503770739065) internal successors, (874), 663 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:12,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 874 transitions. [2021-11-07 01:51:12,944 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 874 transitions. Word has length 60 [2021-11-07 01:51:12,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:12,945 INFO L470 AbstractCegarLoop]: Abstraction has 664 states and 874 transitions. [2021-11-07 01:51:12,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.0) internal successors, (120), 11 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:12,945 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 874 transitions. [2021-11-07 01:51:12,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-07 01:51:12,947 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:12,948 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-07 01:51:12,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:13,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:13,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2021-11-07 01:51:13,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:51:13,572 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:13,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:13,572 INFO L85 PathProgramCache]: Analyzing trace with hash 396849281, now seen corresponding path program 1 times [2021-11-07 01:51:13,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:13,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21980953] [2021-11-07 01:51:13,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:13,573 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:13,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:13,575 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:13,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-07 01:51:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:14,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:51:14,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:14,244 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:51:14,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:14,464 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:51:14,464 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:14,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [21980953] [2021-11-07 01:51:14,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [21980953] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:14,465 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:14,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:51:14,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868139419] [2021-11-07 01:51:14,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:51:14,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:14,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:51:14,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:51:14,468 INFO L87 Difference]: Start difference. First operand 664 states and 874 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:14,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:14,576 INFO L93 Difference]: Finished difference Result 1066 states and 1374 transitions. [2021-11-07 01:51:14,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:51:14,577 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-11-07 01:51:14,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:14,577 INFO L225 Difference]: With dead ends: 1066 [2021-11-07 01:51:14,577 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:51:14,579 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:51:14,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:51:14,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:51:14,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:14,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:51:14,580 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2021-11-07 01:51:14,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:14,580 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:51:14,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:14,581 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:51:14,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:51:14,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:51:14,584 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:51:14,584 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:51:14,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:14,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:51:14,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:51:14,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:14,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:14,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:14,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:14,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:14,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:14,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:14,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:14,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:14,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:14,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:14,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:14,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:14,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:14,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:15,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:16,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:17,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:17,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:17,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:17,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:17,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:17,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:17,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:17,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:17,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:17,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:17,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:17,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:17,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:17,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:23,687 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-07 01:51:23,687 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 241) no Hoare annotation was computed. [2021-11-07 01:51:23,688 INFO L857 garLoopResultBuilder]: For program point L235-2(lines 235 241) no Hoare annotation was computed. [2021-11-07 01:51:23,688 INFO L857 garLoopResultBuilder]: For program point L235-4(lines 235 241) no Hoare annotation was computed. [2021-11-07 01:51:23,688 INFO L857 garLoopResultBuilder]: For program point L235-6(lines 235 241) no Hoare annotation was computed. [2021-11-07 01:51:23,688 INFO L857 garLoopResultBuilder]: For program point L235-8(lines 235 241) no Hoare annotation was computed. [2021-11-07 01:51:23,688 INFO L857 garLoopResultBuilder]: For program point L235-10(lines 235 241) no Hoare annotation was computed. [2021-11-07 01:51:23,689 INFO L857 garLoopResultBuilder]: For program point L235-12(lines 235 241) no Hoare annotation was computed. [2021-11-07 01:51:23,689 INFO L857 garLoopResultBuilder]: For program point L235-14(lines 235 241) no Hoare annotation was computed. [2021-11-07 01:51:23,689 INFO L857 garLoopResultBuilder]: For program point L235-16(lines 235 241) no Hoare annotation was computed. [2021-11-07 01:51:23,689 INFO L857 garLoopResultBuilder]: For program point L235-18(lines 235 241) no Hoare annotation was computed. [2021-11-07 01:51:23,689 INFO L857 garLoopResultBuilder]: For program point L235-20(lines 235 241) no Hoare annotation was computed. [2021-11-07 01:51:23,689 INFO L857 garLoopResultBuilder]: For program point L235-22(lines 235 241) no Hoare annotation was computed. [2021-11-07 01:51:23,690 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 506) no Hoare annotation was computed. [2021-11-07 01:51:23,690 INFO L857 garLoopResultBuilder]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2021-11-07 01:51:23,690 INFO L857 garLoopResultBuilder]: For program point L500-2(lines 500 506) no Hoare annotation was computed. [2021-11-07 01:51:23,690 INFO L857 garLoopResultBuilder]: For program point L500-3(lines 500 506) no Hoare annotation was computed. [2021-11-07 01:51:23,690 INFO L857 garLoopResultBuilder]: For program point L500-4(lines 500 506) no Hoare annotation was computed. [2021-11-07 01:51:23,691 INFO L857 garLoopResultBuilder]: For program point L500-5(lines 500 506) no Hoare annotation was computed. [2021-11-07 01:51:23,691 INFO L857 garLoopResultBuilder]: For program point L500-6(lines 500 506) no Hoare annotation was computed. [2021-11-07 01:51:23,691 INFO L857 garLoopResultBuilder]: For program point L500-7(lines 500 506) no Hoare annotation was computed. [2021-11-07 01:51:23,691 INFO L857 garLoopResultBuilder]: For program point L500-8(lines 500 506) no Hoare annotation was computed. [2021-11-07 01:51:23,691 INFO L857 garLoopResultBuilder]: For program point L500-9(lines 500 506) no Hoare annotation was computed. [2021-11-07 01:51:23,691 INFO L857 garLoopResultBuilder]: For program point L500-10(lines 500 506) no Hoare annotation was computed. [2021-11-07 01:51:23,692 INFO L857 garLoopResultBuilder]: For program point L500-11(lines 500 506) no Hoare annotation was computed. [2021-11-07 01:51:23,692 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 439) no Hoare annotation was computed. [2021-11-07 01:51:23,692 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 377) no Hoare annotation was computed. [2021-11-07 01:51:23,692 INFO L853 garLoopResultBuilder]: At program point L371-1(lines 371 377) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse5 .cse6) (and .cse0 .cse1 .cse4 .cse2 .cse3 .cse6) (and .cse0 .cse2 .cse5 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse6))) [2021-11-07 01:51:23,693 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 190) no Hoare annotation was computed. [2021-11-07 01:51:23,693 INFO L857 garLoopResultBuilder]: For program point L173-1(lines 173 190) no Hoare annotation was computed. [2021-11-07 01:51:23,693 INFO L857 garLoopResultBuilder]: For program point L173-2(lines 173 190) no Hoare annotation was computed. [2021-11-07 01:51:23,693 INFO L857 garLoopResultBuilder]: For program point L173-3(lines 173 190) no Hoare annotation was computed. [2021-11-07 01:51:23,693 INFO L857 garLoopResultBuilder]: For program point L173-4(lines 173 190) no Hoare annotation was computed. [2021-11-07 01:51:23,694 INFO L857 garLoopResultBuilder]: For program point L173-5(lines 173 190) no Hoare annotation was computed. [2021-11-07 01:51:23,694 INFO L853 garLoopResultBuilder]: At program point L505(lines 496 509) the Hoare annotation is: false [2021-11-07 01:51:23,694 INFO L853 garLoopResultBuilder]: At program point L505-1(lines 496 509) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:51:23,694 INFO L853 garLoopResultBuilder]: At program point L505-2(lines 496 509) the Hoare annotation is: false [2021-11-07 01:51:23,694 INFO L853 garLoopResultBuilder]: At program point L505-3(lines 496 509) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2))) [2021-11-07 01:51:23,695 INFO L853 garLoopResultBuilder]: At program point L505-4(lines 496 509) the Hoare annotation is: false [2021-11-07 01:51:23,695 INFO L853 garLoopResultBuilder]: At program point L505-5(lines 496 509) the Hoare annotation is: false [2021-11-07 01:51:23,695 INFO L853 garLoopResultBuilder]: At program point L505-6(lines 496 509) the Hoare annotation is: false [2021-11-07 01:51:23,695 INFO L853 garLoopResultBuilder]: At program point L505-7(lines 496 509) the Hoare annotation is: false [2021-11-07 01:51:23,695 INFO L853 garLoopResultBuilder]: At program point L505-8(lines 496 509) the Hoare annotation is: false [2021-11-07 01:51:23,696 INFO L853 garLoopResultBuilder]: At program point L505-9(lines 496 509) the Hoare annotation is: false [2021-11-07 01:51:23,696 INFO L853 garLoopResultBuilder]: At program point L505-10(lines 496 509) the Hoare annotation is: false [2021-11-07 01:51:23,696 INFO L853 garLoopResultBuilder]: At program point L505-11(lines 496 509) the Hoare annotation is: false [2021-11-07 01:51:23,696 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 185) no Hoare annotation was computed. [2021-11-07 01:51:23,696 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 177 185) no Hoare annotation was computed. [2021-11-07 01:51:23,696 INFO L857 garLoopResultBuilder]: For program point L177-2(lines 177 185) no Hoare annotation was computed. [2021-11-07 01:51:23,697 INFO L857 garLoopResultBuilder]: For program point L177-3(lines 177 185) no Hoare annotation was computed. [2021-11-07 01:51:23,697 INFO L857 garLoopResultBuilder]: For program point L177-4(lines 177 185) no Hoare annotation was computed. [2021-11-07 01:51:23,697 INFO L857 garLoopResultBuilder]: For program point L177-5(lines 177 185) no Hoare annotation was computed. [2021-11-07 01:51:23,697 INFO L853 garLoopResultBuilder]: At program point L971(lines 967 973) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:51:23,697 INFO L853 garLoopResultBuilder]: At program point L115(lines 114 133) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse1 .cse3) (and .cse0 .cse1 .cse3 .cse2))) [2021-11-07 01:51:23,698 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 115 121) no Hoare annotation was computed. [2021-11-07 01:51:23,698 INFO L853 garLoopResultBuilder]: At program point L115-2(lines 114 133) the Hoare annotation is: false [2021-11-07 01:51:23,698 INFO L853 garLoopResultBuilder]: At program point L115-3(lines 114 133) the Hoare annotation is: false [2021-11-07 01:51:23,698 INFO L857 garLoopResultBuilder]: For program point L447(lines 447 451) no Hoare annotation was computed. [2021-11-07 01:51:23,698 INFO L857 garLoopResultBuilder]: For program point L381(lines 381 387) no Hoare annotation was computed. [2021-11-07 01:51:23,699 INFO L853 garLoopResultBuilder]: At program point L381-1(lines 381 387) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse2 .cse3) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse4))) [2021-11-07 01:51:23,699 INFO L853 garLoopResultBuilder]: At program point L515(lines 510 518) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32))) [2021-11-07 01:51:23,699 INFO L853 garLoopResultBuilder]: At program point L515-1(lines 510 518) the Hoare annotation is: false [2021-11-07 01:51:23,699 INFO L853 garLoopResultBuilder]: At program point L515-2(lines 510 518) the Hoare annotation is: false [2021-11-07 01:51:23,699 INFO L853 garLoopResultBuilder]: At program point L515-3(lines 510 518) the Hoare annotation is: false [2021-11-07 01:51:23,700 INFO L853 garLoopResultBuilder]: At program point L515-4(lines 510 518) the Hoare annotation is: false [2021-11-07 01:51:23,700 INFO L853 garLoopResultBuilder]: At program point L515-5(lines 510 518) the Hoare annotation is: false [2021-11-07 01:51:23,700 INFO L857 garLoopResultBuilder]: For program point L318(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,700 INFO L857 garLoopResultBuilder]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,700 INFO L857 garLoopResultBuilder]: For program point L318-3(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,701 INFO L857 garLoopResultBuilder]: For program point L318-5(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,701 INFO L857 garLoopResultBuilder]: For program point L318-6(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,701 INFO L857 garLoopResultBuilder]: For program point L318-8(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,701 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-11-07 01:51:23,701 INFO L857 garLoopResultBuilder]: For program point L318-9(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,701 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-11-07 01:51:23,702 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-11-07 01:51:23,702 INFO L857 garLoopResultBuilder]: For program point L318-11(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,702 INFO L857 garLoopResultBuilder]: For program point L318-12(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,702 INFO L857 garLoopResultBuilder]: For program point L318-14(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,702 INFO L857 garLoopResultBuilder]: For program point L318-15(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,702 INFO L857 garLoopResultBuilder]: For program point L318-17(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,703 INFO L857 garLoopResultBuilder]: For program point L318-18(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,703 INFO L857 garLoopResultBuilder]: For program point L318-20(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,703 INFO L857 garLoopResultBuilder]: For program point L318-21(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,703 INFO L857 garLoopResultBuilder]: For program point L318-23(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,703 INFO L857 garLoopResultBuilder]: For program point L318-24(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,704 INFO L857 garLoopResultBuilder]: For program point L318-26(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,704 INFO L857 garLoopResultBuilder]: For program point L318-27(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,704 INFO L857 garLoopResultBuilder]: For program point L318-29(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,704 INFO L857 garLoopResultBuilder]: For program point L318-30(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,704 INFO L857 garLoopResultBuilder]: For program point L318-32(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,704 INFO L857 garLoopResultBuilder]: For program point L318-33(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,705 INFO L857 garLoopResultBuilder]: For program point L318-35(lines 318 322) no Hoare annotation was computed. [2021-11-07 01:51:23,705 INFO L853 garLoopResultBuilder]: At program point L122(lines 122 128) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv1 32)) .cse3))) [2021-11-07 01:51:23,705 INFO L853 garLoopResultBuilder]: At program point L122-1(lines 122 128) the Hoare annotation is: false [2021-11-07 01:51:23,705 INFO L853 garLoopResultBuilder]: At program point L122-2(lines 122 128) the Hoare annotation is: false [2021-11-07 01:51:23,706 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:51:23,706 INFO L853 garLoopResultBuilder]: At program point L324(lines 309 327) the Hoare annotation is: false [2021-11-07 01:51:23,706 INFO L853 garLoopResultBuilder]: At program point L324-1(lines 309 327) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:51:23,706 INFO L853 garLoopResultBuilder]: At program point L324-2(lines 309 327) the Hoare annotation is: false [2021-11-07 01:51:23,706 INFO L853 garLoopResultBuilder]: At program point L324-3(lines 309 327) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv1 32)) .cse2))) [2021-11-07 01:51:23,707 INFO L853 garLoopResultBuilder]: At program point L324-4(lines 309 327) the Hoare annotation is: false [2021-11-07 01:51:23,707 INFO L853 garLoopResultBuilder]: At program point L324-5(lines 309 327) the Hoare annotation is: false [2021-11-07 01:51:23,707 INFO L853 garLoopResultBuilder]: At program point L324-6(lines 309 327) the Hoare annotation is: false [2021-11-07 01:51:23,707 INFO L853 garLoopResultBuilder]: At program point L324-7(lines 309 327) the Hoare annotation is: false [2021-11-07 01:51:23,707 INFO L853 garLoopResultBuilder]: At program point L324-8(lines 309 327) the Hoare annotation is: false [2021-11-07 01:51:23,708 INFO L853 garLoopResultBuilder]: At program point L324-9(lines 309 327) the Hoare annotation is: false [2021-11-07 01:51:23,708 INFO L853 garLoopResultBuilder]: At program point L324-10(lines 309 327) the Hoare annotation is: false [2021-11-07 01:51:23,708 INFO L853 garLoopResultBuilder]: At program point L324-11(lines 309 327) the Hoare annotation is: false [2021-11-07 01:51:23,708 INFO L857 garLoopResultBuilder]: For program point L391(lines 391 402) no Hoare annotation was computed. [2021-11-07 01:51:23,708 INFO L853 garLoopResultBuilder]: At program point L260(lines 253 263) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32))) [2021-11-07 01:51:23,708 INFO L853 garLoopResultBuilder]: At program point L260-1(lines 253 263) the Hoare annotation is: false [2021-11-07 01:51:23,709 INFO L853 garLoopResultBuilder]: At program point L260-2(lines 253 263) the Hoare annotation is: false [2021-11-07 01:51:23,709 INFO L853 garLoopResultBuilder]: At program point L260-3(lines 253 263) the Hoare annotation is: false [2021-11-07 01:51:23,709 INFO L853 garLoopResultBuilder]: At program point L260-4(lines 253 263) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:51:23,709 INFO L853 garLoopResultBuilder]: At program point L260-5(lines 253 263) the Hoare annotation is: false [2021-11-07 01:51:23,709 INFO L853 garLoopResultBuilder]: At program point L260-6(lines 253 263) the Hoare annotation is: false [2021-11-07 01:51:23,710 INFO L853 garLoopResultBuilder]: At program point L260-7(lines 253 263) the Hoare annotation is: false [2021-11-07 01:51:23,710 INFO L853 garLoopResultBuilder]: At program point L260-8(lines 253 263) the Hoare annotation is: false [2021-11-07 01:51:23,710 INFO L853 garLoopResultBuilder]: At program point L260-9(lines 253 263) the Hoare annotation is: false [2021-11-07 01:51:23,710 INFO L853 garLoopResultBuilder]: At program point L260-10(lines 253 263) the Hoare annotation is: false [2021-11-07 01:51:23,710 INFO L853 garLoopResultBuilder]: At program point L260-11(lines 253 263) the Hoare annotation is: false [2021-11-07 01:51:23,710 INFO L853 garLoopResultBuilder]: At program point L260-12(lines 253 263) the Hoare annotation is: false [2021-11-07 01:51:23,711 INFO L853 garLoopResultBuilder]: At program point L260-13(lines 253 263) the Hoare annotation is: false [2021-11-07 01:51:23,711 INFO L853 garLoopResultBuilder]: At program point L260-14(lines 253 263) the Hoare annotation is: false [2021-11-07 01:51:23,711 INFO L853 garLoopResultBuilder]: At program point L460(lines 455 463) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32))) [2021-11-07 01:51:23,711 INFO L853 garLoopResultBuilder]: At program point L460-1(lines 455 463) the Hoare annotation is: false [2021-11-07 01:51:23,711 INFO L853 garLoopResultBuilder]: At program point L460-2(lines 455 463) the Hoare annotation is: false [2021-11-07 01:51:23,712 INFO L853 garLoopResultBuilder]: At program point L460-3(lines 455 463) the Hoare annotation is: false [2021-11-07 01:51:23,712 INFO L853 garLoopResultBuilder]: At program point L460-4(lines 455 463) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:51:23,712 INFO L853 garLoopResultBuilder]: At program point L460-5(lines 455 463) the Hoare annotation is: false [2021-11-07 01:51:23,712 INFO L853 garLoopResultBuilder]: At program point L460-6(lines 455 463) the Hoare annotation is: false [2021-11-07 01:51:23,712 INFO L853 garLoopResultBuilder]: At program point L460-7(lines 455 463) the Hoare annotation is: false [2021-11-07 01:51:23,712 INFO L853 garLoopResultBuilder]: At program point L460-8(lines 455 463) the Hoare annotation is: false [2021-11-07 01:51:23,713 INFO L853 garLoopResultBuilder]: At program point L460-9(lines 455 463) the Hoare annotation is: false [2021-11-07 01:51:23,713 INFO L853 garLoopResultBuilder]: At program point L460-10(lines 455 463) the Hoare annotation is: false [2021-11-07 01:51:23,713 INFO L853 garLoopResultBuilder]: At program point L460-11(lines 455 463) the Hoare annotation is: false [2021-11-07 01:51:23,713 INFO L853 garLoopResultBuilder]: At program point L460-12(lines 455 463) the Hoare annotation is: false [2021-11-07 01:51:23,713 INFO L853 garLoopResultBuilder]: At program point L460-13(lines 455 463) the Hoare annotation is: false [2021-11-07 01:51:23,714 INFO L853 garLoopResultBuilder]: At program point L460-14(lines 455 463) the Hoare annotation is: false [2021-11-07 01:51:23,714 INFO L853 garLoopResultBuilder]: At program point L923-2(lines 923 937) the Hoare annotation is: false [2021-11-07 01:51:23,714 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:51:23,714 INFO L857 garLoopResultBuilder]: For program point L924(line 924) no Hoare annotation was computed. [2021-11-07 01:51:23,714 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-07 01:51:23,714 INFO L857 garLoopResultBuilder]: For program point L528(lines 528 541) no Hoare annotation was computed. [2021-11-07 01:51:23,715 INFO L853 garLoopResultBuilder]: At program point L528-1(lines 1 1006) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3))) [2021-11-07 01:51:23,715 INFO L857 garLoopResultBuilder]: For program point L528-2(lines 528 541) no Hoare annotation was computed. [2021-11-07 01:51:23,715 INFO L853 garLoopResultBuilder]: At program point L528-3(lines 1 1006) the Hoare annotation is: false [2021-11-07 01:51:23,715 INFO L857 garLoopResultBuilder]: For program point L528-4(lines 528 541) no Hoare annotation was computed. [2021-11-07 01:51:23,715 INFO L853 garLoopResultBuilder]: At program point L528-5(lines 1 1006) the Hoare annotation is: false [2021-11-07 01:51:23,716 INFO L857 garLoopResultBuilder]: For program point L397(lines 397 401) no Hoare annotation was computed. [2021-11-07 01:51:23,716 INFO L857 garLoopResultBuilder]: For program point L397-2(lines 115 121) no Hoare annotation was computed. [2021-11-07 01:51:23,716 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 216) no Hoare annotation was computed. [2021-11-07 01:51:23,716 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 199 216) no Hoare annotation was computed. [2021-11-07 01:51:23,716 INFO L857 garLoopResultBuilder]: For program point L199-2(lines 199 216) no Hoare annotation was computed. [2021-11-07 01:51:23,716 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 931) no Hoare annotation was computed. [2021-11-07 01:51:23,717 INFO L857 garLoopResultBuilder]: For program point L927-1(lines 115 121) no Hoare annotation was computed. [2021-11-07 01:51:23,717 INFO L857 garLoopResultBuilder]: For program point L994(lines 994 1001) no Hoare annotation was computed. [2021-11-07 01:51:23,717 INFO L860 garLoopResultBuilder]: At program point L994-1(lines 994 1001) the Hoare annotation is: true [2021-11-07 01:51:23,717 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 538) no Hoare annotation was computed. [2021-11-07 01:51:23,717 INFO L857 garLoopResultBuilder]: For program point L532-2(lines 532 538) no Hoare annotation was computed. [2021-11-07 01:51:23,717 INFO L857 garLoopResultBuilder]: For program point L532-4(lines 532 538) no Hoare annotation was computed. [2021-11-07 01:51:23,718 INFO L853 garLoopResultBuilder]: At program point L269(lines 264 272) the Hoare annotation is: false [2021-11-07 01:51:23,718 INFO L853 garLoopResultBuilder]: At program point L269-1(lines 264 272) the Hoare annotation is: false [2021-11-07 01:51:23,718 INFO L857 garLoopResultBuilder]: For program point L203(lines 203 211) no Hoare annotation was computed. [2021-11-07 01:51:23,718 INFO L853 garLoopResultBuilder]: At program point L269-2(lines 264 272) the Hoare annotation is: false [2021-11-07 01:51:23,718 INFO L857 garLoopResultBuilder]: For program point L203-1(lines 203 211) no Hoare annotation was computed. [2021-11-07 01:51:23,719 INFO L857 garLoopResultBuilder]: For program point L203-2(lines 203 211) no Hoare annotation was computed. [2021-11-07 01:51:23,719 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 341) no Hoare annotation was computed. [2021-11-07 01:51:23,719 INFO L857 garLoopResultBuilder]: For program point L337-2(lines 337 341) no Hoare annotation was computed. [2021-11-07 01:51:23,719 INFO L857 garLoopResultBuilder]: For program point L337-3(lines 337 341) no Hoare annotation was computed. [2021-11-07 01:51:23,719 INFO L857 garLoopResultBuilder]: For program point L337-5(lines 337 341) no Hoare annotation was computed. [2021-11-07 01:51:23,719 INFO L857 garLoopResultBuilder]: For program point L337-6(lines 337 341) no Hoare annotation was computed. [2021-11-07 01:51:23,720 INFO L857 garLoopResultBuilder]: For program point L337-8(lines 337 341) no Hoare annotation was computed. [2021-11-07 01:51:23,720 INFO L857 garLoopResultBuilder]: For program point L337-9(lines 337 341) no Hoare annotation was computed. [2021-11-07 01:51:23,720 INFO L857 garLoopResultBuilder]: For program point L337-11(lines 337 341) no Hoare annotation was computed. [2021-11-07 01:51:23,720 INFO L857 garLoopResultBuilder]: For program point L337-12(lines 337 341) no Hoare annotation was computed. [2021-11-07 01:51:23,720 INFO L857 garLoopResultBuilder]: For program point L337-14(lines 337 341) no Hoare annotation was computed. [2021-11-07 01:51:23,720 INFO L857 garLoopResultBuilder]: For program point L337-15(lines 337 341) no Hoare annotation was computed. [2021-11-07 01:51:23,721 INFO L857 garLoopResultBuilder]: For program point L337-17(lines 337 341) no Hoare annotation was computed. [2021-11-07 01:51:23,721 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-07 01:51:23,721 INFO L853 garLoopResultBuilder]: At program point L407(lines 360 408) the Hoare annotation is: false [2021-11-07 01:51:23,721 INFO L860 garLoopResultBuilder]: At program point L1003(lines 984 1006) the Hoare annotation is: true [2021-11-07 01:51:23,721 INFO L853 garLoopResultBuilder]: At program point L343(lines 328 346) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv1 32))) [2021-11-07 01:51:23,722 INFO L853 garLoopResultBuilder]: At program point L343-1(lines 328 346) the Hoare annotation is: false [2021-11-07 01:51:23,722 INFO L853 garLoopResultBuilder]: At program point L343-2(lines 328 346) the Hoare annotation is: false [2021-11-07 01:51:23,722 INFO L853 garLoopResultBuilder]: At program point L343-3(lines 328 346) the Hoare annotation is: false [2021-11-07 01:51:23,722 INFO L853 garLoopResultBuilder]: At program point L343-4(lines 328 346) the Hoare annotation is: false [2021-11-07 01:51:23,722 INFO L853 garLoopResultBuilder]: At program point L343-5(lines 328 346) the Hoare annotation is: false [2021-11-07 01:51:23,722 INFO L857 garLoopResultBuilder]: For program point L147(lines 147 164) no Hoare annotation was computed. [2021-11-07 01:51:23,723 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 147 164) no Hoare annotation was computed. [2021-11-07 01:51:23,723 INFO L857 garLoopResultBuilder]: For program point L147-2(lines 147 164) no Hoare annotation was computed. [2021-11-07 01:51:23,723 INFO L857 garLoopResultBuilder]: For program point L147-3(lines 147 164) no Hoare annotation was computed. [2021-11-07 01:51:23,723 INFO L857 garLoopResultBuilder]: For program point L147-4(lines 147 164) no Hoare annotation was computed. [2021-11-07 01:51:23,723 INFO L857 garLoopResultBuilder]: For program point L147-5(lines 147 164) no Hoare annotation was computed. [2021-11-07 01:51:23,724 INFO L857 garLoopResultBuilder]: For program point L147-6(lines 147 164) no Hoare annotation was computed. [2021-11-07 01:51:23,724 INFO L857 garLoopResultBuilder]: For program point L147-7(lines 147 164) no Hoare annotation was computed. [2021-11-07 01:51:23,724 INFO L857 garLoopResultBuilder]: For program point L147-8(lines 147 164) no Hoare annotation was computed. [2021-11-07 01:51:23,724 INFO L857 garLoopResultBuilder]: For program point L147-9(lines 147 164) no Hoare annotation was computed. [2021-11-07 01:51:23,724 INFO L857 garLoopResultBuilder]: For program point L147-10(lines 147 164) no Hoare annotation was computed. [2021-11-07 01:51:23,724 INFO L857 garLoopResultBuilder]: For program point L147-11(lines 147 164) no Hoare annotation was computed. [2021-11-07 01:51:23,725 INFO L853 garLoopResultBuilder]: At program point L84(lines 1 1006) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:51:23,725 INFO L857 garLoopResultBuilder]: For program point L151(lines 151 159) no Hoare annotation was computed. [2021-11-07 01:51:23,725 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 151 159) no Hoare annotation was computed. [2021-11-07 01:51:23,725 INFO L857 garLoopResultBuilder]: For program point L151-2(lines 151 159) no Hoare annotation was computed. [2021-11-07 01:51:23,725 INFO L857 garLoopResultBuilder]: For program point L151-3(lines 151 159) no Hoare annotation was computed. [2021-11-07 01:51:23,725 INFO L857 garLoopResultBuilder]: For program point L151-4(lines 151 159) no Hoare annotation was computed. [2021-11-07 01:51:23,726 INFO L857 garLoopResultBuilder]: For program point L151-5(lines 151 159) no Hoare annotation was computed. [2021-11-07 01:51:23,726 INFO L857 garLoopResultBuilder]: For program point L151-6(lines 151 159) no Hoare annotation was computed. [2021-11-07 01:51:23,726 INFO L857 garLoopResultBuilder]: For program point L151-7(lines 151 159) no Hoare annotation was computed. [2021-11-07 01:51:23,726 INFO L857 garLoopResultBuilder]: For program point L151-8(lines 151 159) no Hoare annotation was computed. [2021-11-07 01:51:23,726 INFO L857 garLoopResultBuilder]: For program point L151-9(lines 151 159) no Hoare annotation was computed. [2021-11-07 01:51:23,726 INFO L857 garLoopResultBuilder]: For program point L151-10(lines 151 159) no Hoare annotation was computed. [2021-11-07 01:51:23,727 INFO L857 garLoopResultBuilder]: For program point L151-11(lines 151 159) no Hoare annotation was computed. [2021-11-07 01:51:23,727 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:51:23,727 INFO L853 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:51:23,727 INFO L857 garLoopResultBuilder]: For program point L423(lines 423 427) no Hoare annotation was computed. [2021-11-07 01:51:23,727 INFO L857 garLoopResultBuilder]: For program point L423-3(lines 423 427) no Hoare annotation was computed. [2021-11-07 01:51:23,727 INFO L857 garLoopResultBuilder]: For program point L423-6(lines 423 427) no Hoare annotation was computed. [2021-11-07 01:51:23,728 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:51:23,728 INFO L853 garLoopResultBuilder]: At program point L492(lines 487 495) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv0 32) ~pumpRunning~0)))) [2021-11-07 01:51:23,728 INFO L853 garLoopResultBuilder]: At program point L492-1(lines 487 495) the Hoare annotation is: false [2021-11-07 01:51:23,728 INFO L853 garLoopResultBuilder]: At program point L492-2(lines 487 495) the Hoare annotation is: false [2021-11-07 01:51:23,728 INFO L857 garLoopResultBuilder]: For program point L362(lines 361 406) no Hoare annotation was computed. [2021-11-07 01:51:23,729 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 367) no Hoare annotation was computed. [2021-11-07 01:51:23,732 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:51:23,733 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:51:23,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:51:23 BoogieIcfgContainer [2021-11-07 01:51:23,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:51:23,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:51:23,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:51:23,771 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:51:23,771 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:50:57" (3/4) ... [2021-11-07 01:51:23,774 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:51:23,801 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:51:23,803 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:51:23,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:51:23,808 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:51:23,810 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:51:23,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:51:23,815 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:51:23,841 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-11-07 01:51:23,841 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-11-07 01:51:23,842 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:51:23,843 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:51:23,843 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) || (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:51:23,844 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-11-07 01:51:23,845 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32 [2021-11-07 01:51:23,846 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32 [2021-11-07 01:51:23,847 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:51:23,848 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:51:23,850 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32 [2021-11-07 01:51:23,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && !(tmp == 0bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:51:23,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32 [2021-11-07 01:51:23,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && !(tmp == 0bv32)) && tmp == 0bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:51:23,935 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:51:23,935 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:51:23,937 INFO L168 Benchmark]: Toolchain (without parser) took 30482.14 ms. Allocated memory was 65.0 MB in the beginning and 272.6 MB in the end (delta: 207.6 MB). Free memory was 43.6 MB in the beginning and 187.8 MB in the end (delta: -144.2 MB). Peak memory consumption was 64.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:23,937 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 65.0 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:51:23,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.79 ms. Allocated memory is still 65.0 MB. Free memory was 43.5 MB in the beginning and 31.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:23,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.16 ms. Allocated memory is still 65.0 MB. Free memory was 31.7 MB in the beginning and 43.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:23,938 INFO L168 Benchmark]: Boogie Preprocessor took 65.92 ms. Allocated memory is still 65.0 MB. Free memory was 43.9 MB in the beginning and 39.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:23,938 INFO L168 Benchmark]: RCFGBuilder took 2717.60 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 39.9 MB in the beginning and 31.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:23,939 INFO L168 Benchmark]: TraceAbstraction took 26710.35 ms. Allocated memory was 79.7 MB in the beginning and 272.6 MB in the end (delta: 192.9 MB). Free memory was 31.0 MB in the beginning and 205.6 MB in the end (delta: -174.6 MB). Peak memory consumption was 131.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:23,939 INFO L168 Benchmark]: Witness Printer took 164.70 ms. Allocated memory is still 272.6 MB. Free memory was 205.6 MB in the beginning and 187.8 MB in the end (delta: 17.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:23,941 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 65.0 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 695.79 ms. Allocated memory is still 65.0 MB. Free memory was 43.5 MB in the beginning and 31.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 120.16 ms. Allocated memory is still 65.0 MB. Free memory was 31.7 MB in the beginning and 43.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.92 ms. Allocated memory is still 65.0 MB. Free memory was 43.9 MB in the beginning and 39.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2717.60 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 39.9 MB in the beginning and 31.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 26710.35 ms. Allocated memory was 79.7 MB in the beginning and 272.6 MB in the end (delta: 192.9 MB). Free memory was 31.0 MB in the beginning and 205.6 MB in the end (delta: -174.6 MB). Peak memory consumption was 131.4 MB. Max. memory is 16.1 GB. * Witness Printer took 164.70 ms. Allocated memory is still 272.6 MB. Free memory was 205.6 MB in the beginning and 187.8 MB in the end (delta: 17.8 MB). Peak memory consumption was 18.9 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: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: 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, 225 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 26.6s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1896 SDtfs, 4996 SDslu, 5243 SDs, 0 SdLazy, 914 SolverSat, 212 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1349 GetRequests, 1213 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2106 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=664occurred in iteration=10, InterpolantAutomatonStates: 131, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 5356 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 90 LocationsWithAnnotation, 90 PreInvPairs, 230 NumberOfFragments, 673 HoareAnnotationTreeSize, 90 FomulaSimplifications, 1428329 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 90 FomulaSimplificationsInter, 103863 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 641 NumberOfCodeBlocks, 641 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1254 ConstructedInterpolants, 0 QuantifiedInterpolants, 2782 SizeOfPredicates, 34 NumberOfNonLiveVariables, 3237 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 264/330 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: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && !(tmp == 0bv32)) && tmp == 0bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) || (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 984]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && !(tmp == 0bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32 - InvariantResult [Line: 923]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:51:24,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e2c505-ee86-4186-8d19-ab97fd3c60aa/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE