./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw --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 63a498e40ee7fb7960293994084186ed238562f61fafb5e109bd8b394667fc1f ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw --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 63a498e40ee7fb7960293994084186ed238562f61fafb5e109bd8b394667fc1f .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 06:03:53,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 06:03:53,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 06:03:53,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 06:03:53,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 06:03:53,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 06:03:53,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 06:03:53,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 06:03:53,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 06:03:53,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 06:03:53,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 06:03:53,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 06:03:53,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 06:03:53,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 06:03:53,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 06:03:53,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 06:03:53,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 06:03:53,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 06:03:53,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 06:03:53,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 06:03:53,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 06:03:53,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 06:03:53,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 06:03:53,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 06:03:53,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 06:03:53,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 06:03:53,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 06:03:53,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 06:03:53,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 06:03:53,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 06:03:53,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 06:03:53,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 06:03:53,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 06:03:53,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 06:03:53,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 06:03:53,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 06:03:53,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 06:03:53,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 06:03:53,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 06:03:53,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 06:03:53,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 06:03:53,209 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 06:03:53,233 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 06:03:53,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 06:03:53,235 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 06:03:53,235 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 06:03:53,235 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 06:03:53,236 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 06:03:53,236 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 06:03:53,236 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 06:03:53,236 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 06:03:53,237 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 06:03:53,237 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 06:03:53,237 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 06:03:53,238 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 06:03:53,238 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 06:03:53,238 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 06:03:53,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 06:03:53,239 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 06:03:53,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 06:03:53,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 06:03:53,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 06:03:53,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 06:03:53,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 06:03:53,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 06:03:53,242 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 06:03:53,242 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 06:03:53,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 06:03:53,242 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 06:03:53,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 06:03:53,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 06:03:53,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 06:03:53,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:03:53,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 06:03:53,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 06:03:53,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 06:03:53,245 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 06:03:53,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 06:03:53,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 06:03:53,246 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 06:03:53,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 06:03:53,246 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_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63a498e40ee7fb7960293994084186ed238562f61fafb5e109bd8b394667fc1f [2021-10-20 06:03:53,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 06:03:53,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 06:03:53,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 06:03:53,554 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 06:03:53,555 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 06:03:53,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2021-10-20 06:03:53,620 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/data/37d5dda4b/8c02089147f04ea49e8fae4d5ec29247/FLAG3beb866af [2021-10-20 06:03:54,186 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 06:03:54,189 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2021-10-20 06:03:54,203 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/data/37d5dda4b/8c02089147f04ea49e8fae4d5ec29247/FLAG3beb866af [2021-10-20 06:03:54,455 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/data/37d5dda4b/8c02089147f04ea49e8fae4d5ec29247 [2021-10-20 06:03:54,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 06:03:54,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 06:03:54,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 06:03:54,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 06:03:54,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 06:03:54,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:03:54" (1/1) ... [2021-10-20 06:03:54,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e580396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:54, skipping insertion in model container [2021-10-20 06:03:54,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:03:54" (1/1) ... [2021-10-20 06:03:54,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 06:03:54,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:03:54,818 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_0b00df8b-4566-47e4-8db2-9a56196cf9a5/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c[13463,13476] [2021-10-20 06:03:54,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:03:54,865 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-20 06:03:54,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ec417c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:54, skipping insertion in model container [2021-10-20 06:03:54,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 06:03:54,866 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 06:03:54,869 INFO L168 Benchmark]: Toolchain (without parser) took 407.85 ms. Allocated memory is still 132.1 MB. Free memory was 98.4 MB in the beginning and 103.4 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 06:03:54,869 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory is still 42.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 06:03:54,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.28 ms. Allocated memory is still 132.1 MB. Free memory was 98.0 MB in the beginning and 103.4 MB in the end (delta: -5.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 06:03:54,872 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory is still 42.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 392.28 ms. Allocated memory is still 132.1 MB. Free memory was 98.0 MB in the beginning and 103.4 MB in the end (delta: -5.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 217]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 06:03:57,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 06:03:57,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 06:03:57,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 06:03:57,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 06:03:57,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 06:03:57,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 06:03:57,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 06:03:57,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 06:03:57,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 06:03:57,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 06:03:57,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 06:03:57,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 06:03:57,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 06:03:57,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 06:03:57,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 06:03:57,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 06:03:57,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 06:03:57,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 06:03:57,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 06:03:57,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 06:03:57,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 06:03:57,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 06:03:57,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 06:03:57,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 06:03:57,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 06:03:57,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 06:03:57,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 06:03:57,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 06:03:57,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 06:03:57,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 06:03:57,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 06:03:57,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 06:03:57,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 06:03:57,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 06:03:57,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 06:03:57,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 06:03:57,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 06:03:57,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 06:03:57,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 06:03:57,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 06:03:57,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-20 06:03:57,194 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 06:03:57,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 06:03:57,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 06:03:57,196 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 06:03:57,196 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 06:03:57,197 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 06:03:57,197 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 06:03:57,197 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 06:03:57,197 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 06:03:57,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 06:03:57,198 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 06:03:57,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 06:03:57,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 06:03:57,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 06:03:57,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 06:03:57,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 06:03:57,200 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 06:03:57,200 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 06:03:57,200 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 06:03:57,201 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 06:03:57,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 06:03:57,201 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 06:03:57,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 06:03:57,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 06:03:57,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 06:03:57,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 06:03:57,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:03:57,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 06:03:57,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 06:03:57,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 06:03:57,204 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-20 06:03:57,204 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 06:03:57,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 06:03:57,204 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 06:03:57,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 06:03:57,205 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_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63a498e40ee7fb7960293994084186ed238562f61fafb5e109bd8b394667fc1f [2021-10-20 06:03:57,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 06:03:57,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 06:03:57,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 06:03:57,636 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 06:03:57,637 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 06:03:57,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2021-10-20 06:03:57,715 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/data/91d1105cc/5b7985436d094396a4656a2cc8a71e5a/FLAGb4ec4235c [2021-10-20 06:03:58,347 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 06:03:58,348 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2021-10-20 06:03:58,376 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/data/91d1105cc/5b7985436d094396a4656a2cc8a71e5a/FLAGb4ec4235c [2021-10-20 06:03:58,569 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/data/91d1105cc/5b7985436d094396a4656a2cc8a71e5a [2021-10-20 06:03:58,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 06:03:58,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 06:03:58,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 06:03:58,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 06:03:58,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 06:03:58,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:03:58" (1/1) ... [2021-10-20 06:03:58,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb6e115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:58, skipping insertion in model container [2021-10-20 06:03:58,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:03:58" (1/1) ... [2021-10-20 06:03:58,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 06:03:58,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:03:58,981 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_0b00df8b-4566-47e4-8db2-9a56196cf9a5/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c[13463,13476] [2021-10-20 06:03:59,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:03:59,079 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-20 06:03:59,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:03:59,154 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_0b00df8b-4566-47e4-8db2-9a56196cf9a5/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c[13463,13476] [2021-10-20 06:03:59,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:03:59,185 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 06:03:59,242 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_0b00df8b-4566-47e4-8db2-9a56196cf9a5/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c[13463,13476] [2021-10-20 06:03:59,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:03:59,307 INFO L208 MainTranslator]: Completed translation [2021-10-20 06:03:59,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:59 WrapperNode [2021-10-20 06:03:59,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 06:03:59,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 06:03:59,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 06:03:59,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 06:03:59,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:59" (1/1) ... [2021-10-20 06:03:59,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:59" (1/1) ... [2021-10-20 06:03:59,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 06:03:59,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 06:03:59,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 06:03:59,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 06:03:59,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:59" (1/1) ... [2021-10-20 06:03:59,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:59" (1/1) ... [2021-10-20 06:03:59,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:59" (1/1) ... [2021-10-20 06:03:59,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:59" (1/1) ... [2021-10-20 06:03:59,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:59" (1/1) ... [2021-10-20 06:03:59,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:59" (1/1) ... [2021-10-20 06:03:59,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:59" (1/1) ... [2021-10-20 06:03:59,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 06:03:59,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 06:03:59,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 06:03:59,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 06:03:59,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:59" (1/1) ... [2021-10-20 06:03:59,503 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:03:59,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 06:03:59,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 06:03:59,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 06:03:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 06:03:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-20 06:03:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 06:03:59,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 06:04:02,065 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 06:04:02,065 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-10-20 06:04:02,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:04:02 BoogieIcfgContainer [2021-10-20 06:04:02,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 06:04:02,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 06:04:02,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 06:04:02,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 06:04:02,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:03:58" (1/3) ... [2021-10-20 06:04:02,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@243413cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:04:02, skipping insertion in model container [2021-10-20 06:04:02,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:03:59" (2/3) ... [2021-10-20 06:04:02,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@243413cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:04:02, skipping insertion in model container [2021-10-20 06:04:02,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:04:02" (3/3) ... [2021-10-20 06:04:02,077 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product60.cil.c [2021-10-20 06:04:02,083 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 06:04:02,083 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-20 06:04:02,136 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 06:04:02,143 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-20 06:04:02,143 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-20 06:04:02,162 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 136 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:02,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-20 06:04:02,169 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:04:02,169 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:04:02,170 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:04:02,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:04:02,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1851082586, now seen corresponding path program 1 times [2021-10-20 06:04:02,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:04:02,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1933184722] [2021-10-20 06:04:02,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:04:02,192 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:04:02,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:04:02,195 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:04:02,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-20 06:04:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:04:02,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-20 06:04:02,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:04:02,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:04:02,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:04:02,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:04:02,586 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:04:02,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1933184722] [2021-10-20 06:04:02,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1933184722] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:04:02,587 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:04:02,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-20 06:04:02,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570754266] [2021-10-20 06:04:02,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-20 06:04:02,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:04:02,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-20 06:04:02,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 06:04:02,619 INFO L87 Difference]: Start difference. First operand has 137 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 136 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:02,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:04:02,680 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2021-10-20 06:04:02,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 06:04:02,681 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-20 06:04:02,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:04:02,698 INFO L225 Difference]: With dead ends: 268 [2021-10-20 06:04:02,699 INFO L226 Difference]: Without dead ends: 133 [2021-10-20 06:04:02,703 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 06:04:02,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-20 06:04:02,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-10-20 06:04:02,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 130 states have (on average 1.476923076923077) internal successors, (192), 132 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:02,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2021-10-20 06:04:02,774 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2021-10-20 06:04:02,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:04:02,774 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2021-10-20 06:04:02,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:02,776 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2021-10-20 06:04:02,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-20 06:04:02,777 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:04:02,778 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:04:02,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-20 06:04:02,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:04:02,991 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:04:02,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:04:02,992 INFO L82 PathProgramCache]: Analyzing trace with hash 804325689, now seen corresponding path program 1 times [2021-10-20 06:04:02,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:04:02,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [891762962] [2021-10-20 06:04:02,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:04:02,994 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:04:02,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:04:02,995 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:04:02,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-20 06:04:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:04:03,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 06:04:03,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:04:03,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:04:03,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:04:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:04:03,315 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:04:03,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [891762962] [2021-10-20 06:04:03,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [891762962] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:04:03,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:04:03,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-20 06:04:03,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668861395] [2021-10-20 06:04:03,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 06:04:03,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:04:03,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 06:04:03,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:04:03,325 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:03,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:04:03,359 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2021-10-20 06:04:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:04:03,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-20 06:04:03,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:04:03,364 INFO L225 Difference]: With dead ends: 133 [2021-10-20 06:04:03,364 INFO L226 Difference]: Without dead ends: 55 [2021-10-20 06:04:03,365 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:04:03,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-20 06:04:03,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-20 06:04:03,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:03,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-20 06:04:03,371 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2021-10-20 06:04:03,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:04:03,372 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-20 06:04:03,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:03,372 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-20 06:04:03,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-20 06:04:03,373 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:04:03,376 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:04:03,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-20 06:04:03,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:04:03,589 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:04:03,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:04:03,590 INFO L82 PathProgramCache]: Analyzing trace with hash 934734913, now seen corresponding path program 1 times [2021-10-20 06:04:03,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:04:03,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [82547955] [2021-10-20 06:04:03,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:04:03,591 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:04:03,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:04:03,592 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:04:03,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-20 06:04:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:04:03,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 06:04:03,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:04:03,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:04:03,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:04:03,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:04:03,929 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:04:03,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [82547955] [2021-10-20 06:04:03,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [82547955] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:04:03,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:04:03,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-20 06:04:03,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665571171] [2021-10-20 06:04:03,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 06:04:03,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:04:03,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 06:04:03,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:04:03,932 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:03,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:04:03,979 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2021-10-20 06:04:03,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-20 06:04:03,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-20 06:04:03,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:04:03,981 INFO L225 Difference]: With dead ends: 176 [2021-10-20 06:04:03,981 INFO L226 Difference]: Without dead ends: 127 [2021-10-20 06:04:03,982 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:04:03,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-10-20 06:04:03,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2021-10-20 06:04:03,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.4794520547945205) internal successors, (108), 73 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:03,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2021-10-20 06:04:03,995 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2021-10-20 06:04:03,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:04:03,995 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2021-10-20 06:04:03,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:03,996 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2021-10-20 06:04:03,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-20 06:04:03,997 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:04:03,997 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:04:04,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-20 06:04:04,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:04:04,216 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:04:04,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:04:04,217 INFO L82 PathProgramCache]: Analyzing trace with hash -2102865864, now seen corresponding path program 1 times [2021-10-20 06:04:04,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:04:04,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [611669331] [2021-10-20 06:04:04,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:04:04,218 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:04:04,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:04:04,219 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:04:04,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-20 06:04:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:04:04,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 06:04:04,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:04:04,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:04:04,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:04:04,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:04:04,572 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:04:04,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [611669331] [2021-10-20 06:04:04,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [611669331] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:04:04,572 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:04:04,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-20 06:04:04,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111846826] [2021-10-20 06:04:04,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 06:04:04,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:04:04,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 06:04:04,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:04:04,574 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:04,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:04:04,641 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2021-10-20 06:04:04,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:04:04,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-20 06:04:04,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:04:04,643 INFO L225 Difference]: With dead ends: 163 [2021-10-20 06:04:04,643 INFO L226 Difference]: Without dead ends: 95 [2021-10-20 06:04:04,643 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:04:04,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-20 06:04:04,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2021-10-20 06:04:04,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.434782608695652) internal successors, (132), 92 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:04,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2021-10-20 06:04:04,656 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2021-10-20 06:04:04,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:04:04,656 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2021-10-20 06:04:04,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:04,656 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2021-10-20 06:04:04,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-20 06:04:04,657 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:04:04,658 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:04:04,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-20 06:04:04,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:04:04,876 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:04:04,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:04:04,877 INFO L82 PathProgramCache]: Analyzing trace with hash 379959382, now seen corresponding path program 1 times [2021-10-20 06:04:04,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:04:04,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1545765003] [2021-10-20 06:04:04,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:04:04,878 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:04:04,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:04:04,879 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:04:04,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-20 06:04:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:04:05,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 06:04:05,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:04:05,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:04:05,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:04:05,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:04:05,347 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:04:05,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1545765003] [2021-10-20 06:04:05,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1545765003] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:04:05,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:04:05,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-20 06:04:05,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636496985] [2021-10-20 06:04:05,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-20 06:04:05,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:04:05,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-20 06:04:05,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-20 06:04:05,351 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 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) [2021-10-20 06:04:05,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:04:05,708 INFO L93 Difference]: Finished difference Result 686 states and 999 transitions. [2021-10-20 06:04:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-20 06:04:05,708 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 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 25 [2021-10-20 06:04:05,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:04:05,713 INFO L225 Difference]: With dead ends: 686 [2021-10-20 06:04:05,713 INFO L226 Difference]: Without dead ends: 599 [2021-10-20 06:04:05,716 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 124.7ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-20 06:04:05,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-10-20 06:04:05,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 231. [2021-10-20 06:04:05,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 230 states have (on average 1.4) internal successors, (322), 230 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:05,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 322 transitions. [2021-10-20 06:04:05,771 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 322 transitions. Word has length 25 [2021-10-20 06:04:05,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:04:05,772 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 322 transitions. [2021-10-20 06:04:05,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 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) [2021-10-20 06:04:05,772 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 322 transitions. [2021-10-20 06:04:05,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-20 06:04:05,780 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:04:05,780 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-20 06:04:05,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-20 06:04:05,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:04:05,994 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:04:05,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:04:05,994 INFO L82 PathProgramCache]: Analyzing trace with hash 2071461866, now seen corresponding path program 1 times [2021-10-20 06:04:05,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:04:05,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [133954232] [2021-10-20 06:04:05,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:04:05,996 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:04:05,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:04:05,997 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:04:06,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-20 06:04:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:04:06,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-20 06:04:06,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:04:06,386 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:04:06,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:04:06,587 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:04:06,588 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:04:06,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [133954232] [2021-10-20 06:04:06,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [133954232] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 06:04:06,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [126211964] [2021-10-20 06:04:06,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:04:06,589 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-20 06:04:06,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/cvc4 [2021-10-20 06:04:06,591 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-20 06:04:06,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-20 06:04:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:04:06,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 06:04:06,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:04:07,016 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-20 06:04:07,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:04:07,108 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-20 06:04:07,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [126211964] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:04:07,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-20 06:04:07,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-20 06:04:07,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057794009] [2021-10-20 06:04:07,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-20 06:04:07,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:04:07,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-20 06:04:07,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-20 06:04:07,119 INFO L87 Difference]: Start difference. First operand 231 states and 322 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:07,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:04:07,352 INFO L93 Difference]: Finished difference Result 555 states and 785 transitions. [2021-10-20 06:04:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-20 06:04:07,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-10-20 06:04:07,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:04:07,357 INFO L225 Difference]: With dead ends: 555 [2021-10-20 06:04:07,357 INFO L226 Difference]: Without dead ends: 553 [2021-10-20 06:04:07,358 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 110.3ms TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-10-20 06:04:07,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2021-10-20 06:04:07,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 231. [2021-10-20 06:04:07,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 230 states have (on average 1.391304347826087) internal successors, (320), 230 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:07,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 320 transitions. [2021-10-20 06:04:07,398 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 320 transitions. Word has length 41 [2021-10-20 06:04:07,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:04:07,399 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 320 transitions. [2021-10-20 06:04:07,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:07,399 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 320 transitions. [2021-10-20 06:04:07,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-20 06:04:07,401 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:04:07,401 INFO L512 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] [2021-10-20 06:04:07,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-20 06:04:07,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-20 06:04:07,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt [2021-10-20 06:04:07,815 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:04:07,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:04:07,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1887758518, now seen corresponding path program 1 times [2021-10-20 06:04:07,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:04:07,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [749105996] [2021-10-20 06:04:07,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:04:07,817 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:04:07,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:04:07,822 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:04:07,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-20 06:04:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:04:08,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-20 06:04:08,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:04:08,296 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:04:08,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:04:08,492 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:04:08,492 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:04:08,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [749105996] [2021-10-20 06:04:08,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [749105996] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 06:04:08,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2031017815] [2021-10-20 06:04:08,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:04:08,493 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-20 06:04:08,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/cvc4 [2021-10-20 06:04:08,498 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-20 06:04:08,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-20 06:04:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:04:08,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 06:04:08,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:04:08,988 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-20 06:04:08,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:04:09,103 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-20 06:04:09,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2031017815] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:04:09,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-20 06:04:09,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-20 06:04:09,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952236506] [2021-10-20 06:04:09,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-20 06:04:09,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:04:09,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-20 06:04:09,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-20 06:04:09,107 INFO L87 Difference]: Start difference. First operand 231 states and 320 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:09,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:04:09,228 INFO L93 Difference]: Finished difference Result 688 states and 945 transitions. [2021-10-20 06:04:09,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-20 06:04:09,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 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 51 [2021-10-20 06:04:09,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:04:09,238 INFO L225 Difference]: With dead ends: 688 [2021-10-20 06:04:09,238 INFO L226 Difference]: Without dead ends: 463 [2021-10-20 06:04:09,242 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 74.0ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-20 06:04:09,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2021-10-20 06:04:09,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 246. [2021-10-20 06:04:09,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 245 states have (on average 1.3673469387755102) internal successors, (335), 245 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:09,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 335 transitions. [2021-10-20 06:04:09,277 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 335 transitions. Word has length 51 [2021-10-20 06:04:09,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:04:09,278 INFO L470 AbstractCegarLoop]: Abstraction has 246 states and 335 transitions. [2021-10-20 06:04:09,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:09,279 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 335 transitions. [2021-10-20 06:04:09,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-20 06:04:09,280 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:04:09,280 INFO L512 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] [2021-10-20 06:04:09,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-20 06:04:09,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-10-20 06:04:09,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt [2021-10-20 06:04:09,694 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:04:09,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:04:09,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1300952504, now seen corresponding path program 1 times [2021-10-20 06:04:09,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:04:09,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1680964739] [2021-10-20 06:04:09,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:04:09,695 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:04:09,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:04:09,697 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:04:09,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-20 06:04:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:04:10,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-20 06:04:10,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:04:10,163 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:04:10,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:04:10,366 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:04:10,367 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:04:10,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1680964739] [2021-10-20 06:04:10,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1680964739] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 06:04:10,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [971514906] [2021-10-20 06:04:10,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:04:10,368 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-20 06:04:10,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/cvc4 [2021-10-20 06:04:10,374 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-20 06:04:10,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-20 06:04:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:04:10,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-20 06:04:10,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:04:10,946 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-20 06:04:10,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:04:11,074 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-20 06:04:11,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [971514906] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:04:11,074 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-20 06:04:11,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [3, 3] total 11 [2021-10-20 06:04:11,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427463456] [2021-10-20 06:04:11,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-20 06:04:11,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:04:11,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-20 06:04:11,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-20 06:04:11,077 INFO L87 Difference]: Start difference. First operand 246 states and 335 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 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) [2021-10-20 06:04:11,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:04:11,215 INFO L93 Difference]: Finished difference Result 633 states and 861 transitions. [2021-10-20 06:04:11,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-20 06:04:11,215 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 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 51 [2021-10-20 06:04:11,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:04:11,218 INFO L225 Difference]: With dead ends: 633 [2021-10-20 06:04:11,218 INFO L226 Difference]: Without dead ends: 393 [2021-10-20 06:04:11,219 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 114.7ms TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-10-20 06:04:11,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2021-10-20 06:04:11,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 215. [2021-10-20 06:04:11,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 214 states have (on average 1.3457943925233644) internal successors, (288), 214 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:11,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 288 transitions. [2021-10-20 06:04:11,268 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 288 transitions. Word has length 51 [2021-10-20 06:04:11,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:04:11,270 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 288 transitions. [2021-10-20 06:04:11,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 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) [2021-10-20 06:04:11,270 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 288 transitions. [2021-10-20 06:04:11,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-20 06:04:11,272 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:04:11,273 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:04:11,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-20 06:04:11,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-10-20 06:04:11,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:04:11,676 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:04:11,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:04:11,677 INFO L82 PathProgramCache]: Analyzing trace with hash 492427471, now seen corresponding path program 1 times [2021-10-20 06:04:11,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:04:11,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815106002] [2021-10-20 06:04:11,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:04:11,678 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:04:11,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:04:11,679 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:04:11,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-20 06:04:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:04:11,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-20 06:04:11,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:04:12,240 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-20 06:04:12,240 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:04:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-20 06:04:12,481 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:04:12,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815106002] [2021-10-20 06:04:12,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [815106002] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 06:04:12,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1161299107] [2021-10-20 06:04:12,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:04:12,482 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-20 06:04:12,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/cvc4 [2021-10-20 06:04:12,486 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-20 06:04:12,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-10-20 06:04:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:04:12,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-20 06:04:12,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:04:13,209 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-20 06:04:13,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:04:13,453 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-20 06:04:13,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1161299107] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 06:04:13,454 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032551646] [2021-10-20 06:04:13,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:04:13,454 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 06:04:13,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 06:04:13,456 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 06:04:13,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-20 06:04:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:04:13,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-20 06:04:13,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:04:14,090 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-20 06:04:14,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:04:14,295 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-20 06:04:14,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032551646] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 06:04:14,295 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-20 06:04:14,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 12 [2021-10-20 06:04:14,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062268593] [2021-10-20 06:04:14,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-20 06:04:14,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:04:14,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-20 06:04:14,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-20 06:04:14,298 INFO L87 Difference]: Start difference. First operand 215 states and 288 transitions. Second operand has 13 states, 13 states have (on average 8.615384615384615) internal successors, (112), 12 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:21,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:04:21,314 INFO L93 Difference]: Finished difference Result 2596 states and 3569 transitions. [2021-10-20 06:04:21,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-20 06:04:21,314 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.615384615384615) internal successors, (112), 12 states have internal predecessors, (112), 0 states have call successors, (0), 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 55 [2021-10-20 06:04:21,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:04:21,332 INFO L225 Difference]: With dead ends: 2596 [2021-10-20 06:04:21,332 INFO L226 Difference]: Without dead ends: 2429 [2021-10-20 06:04:21,336 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2204 ImplicationChecksByTransitivity, 1381.3ms TimeCoverageRelationStatistics Valid=1070, Invalid=4936, Unknown=0, NotChecked=0, Total=6006 [2021-10-20 06:04:21,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2429 states. [2021-10-20 06:04:21,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2429 to 360. [2021-10-20 06:04:21,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 359 states have (on average 1.3565459610027855) internal successors, (487), 359 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:21,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 487 transitions. [2021-10-20 06:04:21,409 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 487 transitions. Word has length 55 [2021-10-20 06:04:21,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:04:21,409 INFO L470 AbstractCegarLoop]: Abstraction has 360 states and 487 transitions. [2021-10-20 06:04:21,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.615384615384615) internal successors, (112), 12 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:21,409 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 487 transitions. [2021-10-20 06:04:21,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-20 06:04:21,410 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:04:21,411 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-20 06:04:21,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2021-10-20 06:04:21,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-20 06:04:21,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-10-20 06:04:22,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:04:22,014 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:04:22,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:04:22,015 INFO L82 PathProgramCache]: Analyzing trace with hash 807950959, now seen corresponding path program 1 times [2021-10-20 06:04:22,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:04:22,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684089569] [2021-10-20 06:04:22,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:04:22,015 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:04:22,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:04:22,016 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:04:22,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-20 06:04:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:04:22,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 06:04:22,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:04:22,696 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-20 06:04:22,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:04:22,872 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-20 06:04:22,873 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:04:22,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684089569] [2021-10-20 06:04:22,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1684089569] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:04:22,873 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:04:22,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-20 06:04:22,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817791714] [2021-10-20 06:04:22,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-20 06:04:22,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:04:22,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-20 06:04:22,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-20 06:04:22,875 INFO L87 Difference]: Start difference. First operand 360 states and 487 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:22,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:04:22,965 INFO L93 Difference]: Finished difference Result 643 states and 858 transitions. [2021-10-20 06:04:22,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 06:04:22,966 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 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 76 [2021-10-20 06:04:22,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:04:22,967 INFO L225 Difference]: With dead ends: 643 [2021-10-20 06:04:22,967 INFO L226 Difference]: Without dead ends: 0 [2021-10-20 06:04:22,968 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 47.6ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-20 06:04:22,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-20 06:04:22,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-20 06:04:22,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:22,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-20 06:04:22,969 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2021-10-20 06:04:22,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:04:22,970 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-20 06:04:22,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:04:22,970 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-20 06:04:22,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-20 06:04:22,973 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 06:04:22,973 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 06:04:22,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 06:04:22,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-20 06:04:23,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:04:23,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-20 06:04:23,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:23,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:23,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:23,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:23,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:23,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:23,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:23,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:23,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:23,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:23,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:23,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:23,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:23,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:23,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:23,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:23,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:23,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:24,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:24,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:24,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:24,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:24,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:24,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:24,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:24,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:24,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:24,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:24,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:24,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:24,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:25,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:04:33,633 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 931) no Hoare annotation was computed. [2021-10-20 06:04:33,633 INFO L853 garLoopResultBuilder]: At program point L729(lines 722 732) the Hoare annotation is: false [2021-10-20 06:04:33,633 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2021-10-20 06:04:33,633 INFO L853 garLoopResultBuilder]: At program point L729-1(lines 722 732) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:04:33,634 INFO L853 garLoopResultBuilder]: At program point L729-2(lines 722 732) the Hoare annotation is: false [2021-10-20 06:04:33,634 INFO L853 garLoopResultBuilder]: At program point L729-3(lines 722 732) the Hoare annotation is: false [2021-10-20 06:04:33,634 INFO L853 garLoopResultBuilder]: At program point L729-4(lines 722 732) the Hoare annotation is: false [2021-10-20 06:04:33,634 INFO L853 garLoopResultBuilder]: At program point L729-5(lines 722 732) the Hoare annotation is: false [2021-10-20 06:04:33,634 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 579) no Hoare annotation was computed. [2021-10-20 06:04:33,635 INFO L853 garLoopResultBuilder]: At program point L566-1(lines 1 1010) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse7 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse7 .cse3) (and .cse0 .cse5 .cse6 .cse1 .cse7 .cse4) (and .cse0 .cse1 .cse2 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse4))) [2021-10-20 06:04:33,635 INFO L857 garLoopResultBuilder]: For program point L566-2(lines 566 579) no Hoare annotation was computed. [2021-10-20 06:04:33,635 INFO L853 garLoopResultBuilder]: At program point L566-3(lines 1 1010) the Hoare annotation is: false [2021-10-20 06:04:33,635 INFO L857 garLoopResultBuilder]: For program point L566-4(lines 566 579) no Hoare annotation was computed. [2021-10-20 06:04:33,635 INFO L853 garLoopResultBuilder]: At program point L566-5(lines 1 1010) the Hoare annotation is: false [2021-10-20 06:04:33,636 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2021-10-20 06:04:33,636 INFO L857 garLoopResultBuilder]: For program point L104-1(lines 609 615) no Hoare annotation was computed. [2021-10-20 06:04:33,636 INFO L853 garLoopResultBuilder]: At program point L997(lines 988 1001) the Hoare annotation is: false [2021-10-20 06:04:33,636 INFO L853 garLoopResultBuilder]: At program point L997-1(lines 988 1001) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) [2021-10-20 06:04:33,636 INFO L853 garLoopResultBuilder]: At program point L997-2(lines 988 1001) the Hoare annotation is: false [2021-10-20 06:04:33,637 INFO L853 garLoopResultBuilder]: At program point L997-3(lines 988 1001) the Hoare annotation is: false [2021-10-20 06:04:33,637 INFO L853 garLoopResultBuilder]: At program point L997-4(lines 988 1001) the Hoare annotation is: false [2021-10-20 06:04:33,637 INFO L853 garLoopResultBuilder]: At program point L997-5(lines 988 1001) the Hoare annotation is: false [2021-10-20 06:04:33,637 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 684) no Hoare annotation was computed. [2021-10-20 06:04:33,637 INFO L857 garLoopResultBuilder]: For program point L667-1(lines 667 684) no Hoare annotation was computed. [2021-10-20 06:04:33,638 INFO L857 garLoopResultBuilder]: For program point L667-2(lines 667 684) no Hoare annotation was computed. [2021-10-20 06:04:33,638 INFO L853 garLoopResultBuilder]: At program point L900(lines 849 901) the Hoare annotation is: false [2021-10-20 06:04:33,638 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 576) no Hoare annotation was computed. [2021-10-20 06:04:33,638 INFO L857 garLoopResultBuilder]: For program point L570-2(lines 570 576) no Hoare annotation was computed. [2021-10-20 06:04:33,638 INFO L857 garLoopResultBuilder]: For program point L570-4(lines 570 576) no Hoare annotation was computed. [2021-10-20 06:04:33,638 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 1010) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:04:33,639 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2021-10-20 06:04:33,639 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 182) no Hoare annotation was computed. [2021-10-20 06:04:33,639 INFO L860 garLoopResultBuilder]: At program point L175-1(lines 175 182) the Hoare annotation is: true [2021-10-20 06:04:33,639 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 710) no Hoare annotation was computed. [2021-10-20 06:04:33,639 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 679) no Hoare annotation was computed. [2021-10-20 06:04:33,640 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 710) no Hoare annotation was computed. [2021-10-20 06:04:33,640 INFO L857 garLoopResultBuilder]: For program point L671-1(lines 671 679) no Hoare annotation was computed. [2021-10-20 06:04:33,640 INFO L857 garLoopResultBuilder]: For program point L671-2(lines 671 679) no Hoare annotation was computed. [2021-10-20 06:04:33,640 INFO L857 garLoopResultBuilder]: For program point L704-4(lines 704 710) no Hoare annotation was computed. [2021-10-20 06:04:33,640 INFO L857 garLoopResultBuilder]: For program point L704-6(lines 704 710) no Hoare annotation was computed. [2021-10-20 06:04:33,640 INFO L857 garLoopResultBuilder]: For program point L704-8(lines 704 710) no Hoare annotation was computed. [2021-10-20 06:04:33,641 INFO L857 garLoopResultBuilder]: For program point L704-10(lines 704 710) no Hoare annotation was computed. [2021-10-20 06:04:33,641 INFO L857 garLoopResultBuilder]: For program point L870(lines 870 876) no Hoare annotation was computed. [2021-10-20 06:04:33,641 INFO L853 garLoopResultBuilder]: At program point L870-1(lines 870 876) the Hoare annotation is: (let ((.cse6 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse8 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse7 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse7 .cse8 .cse3) (and .cse0 .cse5 .cse6 .cse1 .cse8 .cse4) (and .cse0 .cse1 .cse2 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse4) (and .cse0 .cse5 .cse1 .cse7 .cse3 .cse4))) [2021-10-20 06:04:33,641 INFO L853 garLoopResultBuilder]: At program point L738(lines 733 741) the Hoare annotation is: false [2021-10-20 06:04:33,642 INFO L853 garLoopResultBuilder]: At program point L738-1(lines 733 741) the Hoare annotation is: false [2021-10-20 06:04:33,642 INFO L853 garLoopResultBuilder]: At program point L738-2(lines 733 741) the Hoare annotation is: false [2021-10-20 06:04:33,642 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 810) no Hoare annotation was computed. [2021-10-20 06:04:33,642 INFO L857 garLoopResultBuilder]: For program point L806-2(lines 806 810) no Hoare annotation was computed. [2021-10-20 06:04:33,642 INFO L857 garLoopResultBuilder]: For program point L806-3(lines 806 810) no Hoare annotation was computed. [2021-10-20 06:04:33,642 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 658) no Hoare annotation was computed. [2021-10-20 06:04:33,643 INFO L857 garLoopResultBuilder]: For program point L806-5(lines 806 810) no Hoare annotation was computed. [2021-10-20 06:04:33,643 INFO L857 garLoopResultBuilder]: For program point L641-1(lines 641 658) no Hoare annotation was computed. [2021-10-20 06:04:33,643 INFO L857 garLoopResultBuilder]: For program point L806-6(lines 806 810) no Hoare annotation was computed. [2021-10-20 06:04:33,643 INFO L857 garLoopResultBuilder]: For program point L641-2(lines 641 658) no Hoare annotation was computed. [2021-10-20 06:04:33,643 INFO L857 garLoopResultBuilder]: For program point L641-3(lines 641 658) no Hoare annotation was computed. [2021-10-20 06:04:33,643 INFO L857 garLoopResultBuilder]: For program point L806-8(lines 806 810) no Hoare annotation was computed. [2021-10-20 06:04:33,644 INFO L857 garLoopResultBuilder]: For program point L641-4(lines 641 658) no Hoare annotation was computed. [2021-10-20 06:04:33,644 INFO L857 garLoopResultBuilder]: For program point L641-5(lines 641 658) no Hoare annotation was computed. [2021-10-20 06:04:33,644 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 943) no Hoare annotation was computed. [2021-10-20 06:04:33,644 INFO L853 garLoopResultBuilder]: At program point L609(lines 608 627) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32)))) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse3))) [2021-10-20 06:04:33,644 INFO L857 garLoopResultBuilder]: For program point L609-1(lines 609 615) no Hoare annotation was computed. [2021-10-20 06:04:33,645 INFO L853 garLoopResultBuilder]: At program point L609-2(lines 608 627) the Hoare annotation is: false [2021-10-20 06:04:33,645 INFO L853 garLoopResultBuilder]: At program point L609-3(lines 608 627) the Hoare annotation is: false [2021-10-20 06:04:33,645 INFO L853 garLoopResultBuilder]: At program point L1007(lines 1002 1010) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32)))) [2021-10-20 06:04:33,645 INFO L853 garLoopResultBuilder]: At program point L1007-1(lines 1002 1010) the Hoare annotation is: false [2021-10-20 06:04:33,645 INFO L853 garLoopResultBuilder]: At program point L1007-2(lines 1002 1010) the Hoare annotation is: false [2021-10-20 06:04:33,646 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:04:33,646 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 653) no Hoare annotation was computed. [2021-10-20 06:04:33,646 INFO L857 garLoopResultBuilder]: For program point L645-1(lines 645 653) no Hoare annotation was computed. [2021-10-20 06:04:33,646 INFO L857 garLoopResultBuilder]: For program point L645-2(lines 645 653) no Hoare annotation was computed. [2021-10-20 06:04:33,646 INFO L857 garLoopResultBuilder]: For program point L645-3(lines 645 653) no Hoare annotation was computed. [2021-10-20 06:04:33,647 INFO L857 garLoopResultBuilder]: For program point L645-4(lines 645 653) no Hoare annotation was computed. [2021-10-20 06:04:33,647 INFO L857 garLoopResultBuilder]: For program point L645-5(lines 645 653) no Hoare annotation was computed. [2021-10-20 06:04:33,647 INFO L860 garLoopResultBuilder]: At program point L184(lines 165 187) the Hoare annotation is: true [2021-10-20 06:04:33,647 INFO L853 garLoopResultBuilder]: At program point L151(lines 147 153) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:04:33,647 INFO L853 garLoopResultBuilder]: At program point L812(lines 797 815) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~9 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv1 32))) [2021-10-20 06:04:33,648 INFO L853 garLoopResultBuilder]: At program point L812-1(lines 797 815) the Hoare annotation is: false [2021-10-20 06:04:33,648 INFO L853 garLoopResultBuilder]: At program point L812-2(lines 797 815) the Hoare annotation is: false [2021-10-20 06:04:33,648 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-20 06:04:33,648 INFO L857 garLoopResultBuilder]: For program point L880(lines 880 895) no Hoare annotation was computed. [2021-10-20 06:04:33,648 INFO L853 garLoopResultBuilder]: At program point L616(lines 616 622) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse3 .cse1 (not (= ~systemActive~0 (_ bv0 32)))))) [2021-10-20 06:04:33,648 INFO L853 garLoopResultBuilder]: At program point L616-1(lines 616 622) the Hoare annotation is: false [2021-10-20 06:04:33,649 INFO L853 garLoopResultBuilder]: At program point L616-2(lines 616 622) the Hoare annotation is: false [2021-10-20 06:04:33,649 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 919) no Hoare annotation was computed. [2021-10-20 06:04:33,649 INFO L857 garLoopResultBuilder]: For program point L915-3(lines 915 919) no Hoare annotation was computed. [2021-10-20 06:04:33,649 INFO L857 garLoopResultBuilder]: For program point L915-6(lines 915 919) no Hoare annotation was computed. [2021-10-20 06:04:33,649 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-20 06:04:33,650 INFO L857 garLoopResultBuilder]: For program point L851(lines 850 899) no Hoare annotation was computed. [2021-10-20 06:04:33,650 INFO L853 garLoopResultBuilder]: At program point L984(lines 979 987) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse2) (and .cse0 .cse3 .cse4 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse1 (not (= ~systemActive~0 (_ bv0 32)))))) [2021-10-20 06:04:33,650 INFO L853 garLoopResultBuilder]: At program point L984-1(lines 979 987) the Hoare annotation is: false [2021-10-20 06:04:33,650 INFO L853 garLoopResultBuilder]: At program point L984-2(lines 979 987) the Hoare annotation is: false [2021-10-20 06:04:33,650 INFO L857 garLoopResultBuilder]: For program point L852(lines 852 856) no Hoare annotation was computed. [2021-10-20 06:04:33,651 INFO L857 garLoopResultBuilder]: For program point L588(line 588) no Hoare annotation was computed. [2021-10-20 06:04:33,651 INFO L857 garLoopResultBuilder]: For program point L588-1(line 588) no Hoare annotation was computed. [2021-10-20 06:04:33,651 INFO L857 garLoopResultBuilder]: For program point L588-2(line 588) no Hoare annotation was computed. [2021-10-20 06:04:33,651 INFO L853 garLoopResultBuilder]: At program point L952(lines 947 955) the Hoare annotation is: false [2021-10-20 06:04:33,651 INFO L853 garLoopResultBuilder]: At program point L952-1(lines 947 955) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:04:33,651 INFO L853 garLoopResultBuilder]: At program point L952-2(lines 947 955) the Hoare annotation is: false [2021-10-20 06:04:33,652 INFO L853 garLoopResultBuilder]: At program point L952-3(lines 947 955) the Hoare annotation is: false [2021-10-20 06:04:33,652 INFO L857 garLoopResultBuilder]: For program point L820(lines 820 826) no Hoare annotation was computed. [2021-10-20 06:04:33,652 INFO L853 garLoopResultBuilder]: At program point L952-4(lines 947 955) the Hoare annotation is: false [2021-10-20 06:04:33,652 INFO L853 garLoopResultBuilder]: At program point L820-1(lines 820 826) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2))) [2021-10-20 06:04:33,652 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 791) no Hoare annotation was computed. [2021-10-20 06:04:33,652 INFO L853 garLoopResultBuilder]: At program point L952-5(lines 947 955) the Hoare annotation is: false [2021-10-20 06:04:33,653 INFO L857 garLoopResultBuilder]: For program point L787-2(lines 787 791) no Hoare annotation was computed. [2021-10-20 06:04:33,653 INFO L857 garLoopResultBuilder]: For program point L787-3(lines 787 791) no Hoare annotation was computed. [2021-10-20 06:04:33,653 INFO L857 garLoopResultBuilder]: For program point L787-5(lines 787 791) no Hoare annotation was computed. [2021-10-20 06:04:33,653 INFO L857 garLoopResultBuilder]: For program point L787-6(lines 787 791) no Hoare annotation was computed. [2021-10-20 06:04:33,653 INFO L857 garLoopResultBuilder]: For program point L787-8(lines 787 791) no Hoare annotation was computed. [2021-10-20 06:04:33,654 INFO L857 garLoopResultBuilder]: For program point L787-9(lines 787 791) no Hoare annotation was computed. [2021-10-20 06:04:33,654 INFO L857 garLoopResultBuilder]: For program point L787-11(lines 787 791) no Hoare annotation was computed. [2021-10-20 06:04:33,654 INFO L857 garLoopResultBuilder]: For program point L787-12(lines 787 791) no Hoare annotation was computed. [2021-10-20 06:04:33,654 INFO L857 garLoopResultBuilder]: For program point L787-14(lines 787 791) no Hoare annotation was computed. [2021-10-20 06:04:33,654 INFO L857 garLoopResultBuilder]: For program point L787-15(lines 787 791) no Hoare annotation was computed. [2021-10-20 06:04:33,654 INFO L857 garLoopResultBuilder]: For program point L787-17(lines 787 791) no Hoare annotation was computed. [2021-10-20 06:04:33,655 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-20 06:04:33,655 INFO L857 garLoopResultBuilder]: For program point L888(lines 888 894) no Hoare annotation was computed. [2021-10-20 06:04:33,655 INFO L853 garLoopResultBuilder]: At program point L888-1(lines 609 615) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 .cse3 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32)))) (and .cse0 .cse3 .cse1 .cse2))) [2021-10-20 06:04:33,655 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-20 06:04:33,655 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2021-10-20 06:04:33,656 INFO L853 garLoopResultBuilder]: At program point L793(lines 778 796) the Hoare annotation is: false [2021-10-20 06:04:33,656 INFO L853 garLoopResultBuilder]: At program point L793-1(lines 778 796) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv1 32)) .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) [2021-10-20 06:04:33,656 INFO L853 garLoopResultBuilder]: At program point L793-2(lines 778 796) the Hoare annotation is: false [2021-10-20 06:04:33,656 INFO L853 garLoopResultBuilder]: At program point L793-3(lines 778 796) the Hoare annotation is: false [2021-10-20 06:04:33,656 INFO L853 garLoopResultBuilder]: At program point L793-4(lines 778 796) the Hoare annotation is: false [2021-10-20 06:04:33,656 INFO L853 garLoopResultBuilder]: At program point L793-5(lines 778 796) the Hoare annotation is: false [2021-10-20 06:04:33,657 INFO L853 garLoopResultBuilder]: At program point L100-2(lines 100 114) the Hoare annotation is: false [2021-10-20 06:04:33,657 INFO L857 garLoopResultBuilder]: For program point L992(lines 992 998) no Hoare annotation was computed. [2021-10-20 06:04:33,657 INFO L857 garLoopResultBuilder]: For program point L992-1(lines 992 998) no Hoare annotation was computed. [2021-10-20 06:04:33,657 INFO L857 garLoopResultBuilder]: For program point L992-2(lines 992 998) no Hoare annotation was computed. [2021-10-20 06:04:33,657 INFO L857 garLoopResultBuilder]: For program point L992-3(lines 992 998) no Hoare annotation was computed. [2021-10-20 06:04:33,657 INFO L857 garLoopResultBuilder]: For program point L860(lines 860 866) no Hoare annotation was computed. [2021-10-20 06:04:33,658 INFO L857 garLoopResultBuilder]: For program point L992-4(lines 992 998) no Hoare annotation was computed. [2021-10-20 06:04:33,658 INFO L853 garLoopResultBuilder]: At program point L860-1(lines 860 866) the Hoare annotation is: (let ((.cse6 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse8 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse7 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse7 .cse8 .cse3) (and .cse0 .cse5 .cse6 .cse1 .cse8 .cse4) (and .cse0 .cse1 .cse2 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse4) (and .cse0 .cse5 .cse1 .cse7 .cse3 .cse4))) [2021-10-20 06:04:33,658 INFO L857 garLoopResultBuilder]: For program point L992-5(lines 992 998) no Hoare annotation was computed. [2021-10-20 06:04:33,658 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-20 06:04:33,663 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 06:04:33,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:04:33 BoogieIcfgContainer [2021-10-20 06:04:33,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 06:04:33,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 06:04:33,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 06:04:33,692 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 06:04:33,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:04:02" (3/4) ... [2021-10-20 06:04:33,695 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-20 06:04:33,719 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-20 06:04:33,721 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-20 06:04:33,722 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-20 06:04:33,723 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-20 06:04:33,724 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-20 06:04:33,726 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 06:04:33,727 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 06:04:33,752 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-20 06:04:33,753 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-20 06:04:33,753 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32))) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-20 06:04:33,754 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(tmp == 0bv32)) && !(systemActive == 0bv32))) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-20 06:04:33,754 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(tmp == 0bv32)) && !(systemActive == 0bv32))) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-20 06:04:33,755 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-20 06:04:33,755 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-20 06:04:33,755 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-20 06:04:33,756 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-20 06:04:33,757 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-20 06:04:33,758 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32) [2021-10-20 06:04:33,759 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-20 06:04:33,759 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && \result == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && tmp___0 == 1bv32 [2021-10-20 06:04:33,760 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && tmp == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-20 06:04:33,762 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-20 06:04:33,762 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-20 06:04:33,816 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 06:04:33,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 06:04:33,818 INFO L168 Benchmark]: Toolchain (without parser) took 35240.81 ms. Allocated memory was 86.0 MB in the beginning and 159.4 MB in the end (delta: 73.4 MB). Free memory was 51.4 MB in the beginning and 124.2 MB in the end (delta: -72.8 MB). Peak memory consumption was 2.0 MB. Max. memory is 16.1 GB. [2021-10-20 06:04:33,819 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 68.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 06:04:33,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.63 ms. Allocated memory is still 86.0 MB. Free memory was 51.3 MB in the beginning and 55.0 MB in the end (delta: -3.8 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2021-10-20 06:04:33,819 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.04 ms. Allocated memory is still 86.0 MB. Free memory was 55.0 MB in the beginning and 51.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-20 06:04:33,820 INFO L168 Benchmark]: Boogie Preprocessor took 71.91 ms. Allocated memory is still 86.0 MB. Free memory was 51.2 MB in the beginning and 48.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 06:04:33,820 INFO L168 Benchmark]: RCFGBuilder took 2587.80 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 48.1 MB in the beginning and 71.7 MB in the end (delta: -23.6 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. [2021-10-20 06:04:33,821 INFO L168 Benchmark]: TraceAbstraction took 31620.62 ms. Allocated memory was 109.1 MB in the beginning and 159.4 MB in the end (delta: 50.3 MB). Free memory was 71.1 MB in the beginning and 135.7 MB in the end (delta: -64.6 MB). Peak memory consumption was 81.2 MB. Max. memory is 16.1 GB. [2021-10-20 06:04:33,821 INFO L168 Benchmark]: Witness Printer took 125.39 ms. Allocated memory is still 159.4 MB. Free memory was 135.7 MB in the beginning and 124.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-20 06:04:33,824 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 68.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 727.63 ms. Allocated memory is still 86.0 MB. Free memory was 51.3 MB in the beginning and 55.0 MB in the end (delta: -3.8 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.04 ms. Allocated memory is still 86.0 MB. Free memory was 55.0 MB in the beginning and 51.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.91 ms. Allocated memory is still 86.0 MB. Free memory was 51.2 MB in the beginning and 48.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2587.80 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 48.1 MB in the beginning and 71.7 MB in the end (delta: -23.6 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 31620.62 ms. Allocated memory was 109.1 MB in the beginning and 159.4 MB in the end (delta: 50.3 MB). Free memory was 71.1 MB in the beginning and 135.7 MB in the end (delta: -64.6 MB). Peak memory consumption was 81.2 MB. Max. memory is 16.1 GB. * Witness Printer took 125.39 ms. Allocated memory is still 159.4 MB. Free memory was 135.7 MB in the beginning and 124.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 588]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 588]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 588]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 31528.9ms, OverallIterations: 10, TraceHistogramMax: 3, EmptinessCheckTime: 29.2ms, AutomataDifference: 8292.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 10443.3ms, InitialAbstractionConstructionTime: 14.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1352 SDtfs, 4110 SDslu, 4584 SDs, 0 SdLazy, 884 SolverSat, 167 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5442.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1325 GetRequests, 1190 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2265 ImplicationChecksByTransitivity, 1875.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=360occurred in iteration=9, InterpolantAutomatonStates: 125, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 334.9ms AutomataMinimizationTime, 10 MinimizatonAttempts, 3209 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 175 NumberOfFragments, 761 HoareAnnotationTreeSize, 56 FomulaSimplifications, 499298 FormulaSimplificationTreeSizeReduction, 2542.5ms HoareSimplificationTime, 56 FomulaSimplificationsInter, 378552 FormulaSimplificationTreeSizeReductionInter, 7883.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 347.0ms SsaConstructionTime, 1545.9ms SatisfiabilityAnalysisTime, 4636.8ms InterpolantComputationTime, 631 NumberOfCodeBlocks, 631 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1232 ConstructedInterpolants, 0 QuantifiedInterpolants, 2627 SizeOfPredicates, 31 NumberOfNonLiveVariables, 3381 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 30 InterpolantComputations, 18 PerfectInterpolantSequences, 276/354 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: 979]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && \result == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && tmp___0 == 1bv32 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32) - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(tmp == 0bv32)) && !(systemActive == 0bv32))) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && tmp == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(tmp == 0bv32)) && !(systemActive == 0bv32))) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 609]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32))) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-20 06:04:33,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b00df8b-4566-47e4-8db2-9a56196cf9a5/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...