./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan --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 10f05e3ec3dc20c87bc900eaaa9b2990393e6df5 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan --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 10f05e3ec3dc20c87bc900eaaa9b2990393e6df5 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:00:35,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:00:35,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:00:35,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:00:35,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:00:35,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:00:35,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:00:35,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:00:35,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:00:35,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:00:35,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:00:35,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:00:35,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:00:35,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:00:35,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:00:35,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:00:35,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:00:35,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:00:35,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:00:35,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:00:35,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:00:35,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:00:35,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:00:35,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:00:35,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:00:35,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:00:35,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:00:35,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:00:35,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:00:35,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:00:35,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:00:35,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:00:35,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:00:35,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:00:35,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:00:35,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:00:35,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:00:35,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:00:35,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:00:35,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:00:35,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:00:35,308 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:00:35,353 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:00:35,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:00:35,354 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:00:35,355 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:00:35,355 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:00:35,355 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:00:35,355 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:00:35,356 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:00:35,356 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:00:35,356 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:00:35,357 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:00:35,358 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:00:35,358 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:00:35,358 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:00:35,358 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:00:35,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:00:35,359 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:00:35,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:00:35,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:00:35,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:00:35,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:00:35,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:00:35,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:00:35,361 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:00:35,361 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:00:35,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:00:35,362 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:00:35,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:00:35,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:00:35,363 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:00:35,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:00:35,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:00:35,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:00:35,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:00:35,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:00:35,364 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:00:35,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:00:35,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:00:35,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:00:35,365 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:00:35,366 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-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10f05e3ec3dc20c87bc900eaaa9b2990393e6df5 [2020-11-22 13:00:35,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:00:35,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:00:35,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:00:35,665 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:00:35,666 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:00:35,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2020-11-22 13:00:35,748 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/data/e31af59ff/3485834c22764f01a458ae4ee32303a6/FLAG4d9bb72d2 [2020-11-22 13:00:36,261 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:00:36,262 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2020-11-22 13:00:36,272 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/data/e31af59ff/3485834c22764f01a458ae4ee32303a6/FLAG4d9bb72d2 [2020-11-22 13:00:36,586 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/data/e31af59ff/3485834c22764f01a458ae4ee32303a6 [2020-11-22 13:00:36,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:00:36,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:00:36,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:00:36,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:00:36,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:00:36,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:00:36" (1/1) ... [2020-11-22 13:00:36,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d9d6f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:36, skipping insertion in model container [2020-11-22 13:00:36,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:00:36" (1/1) ... [2020-11-22 13:00:36,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:00:36,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:00:36,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:00:36,995 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) [2020-11-22 13:00:36,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3887b677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:36, skipping insertion in model container [2020-11-22 13:00:37,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:00:37,000 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:00:37,003 INFO L168 Benchmark]: Toolchain (without parser) took 411.45 ms. Allocated memory is still 113.2 MB. Free memory was 77.7 MB in the beginning and 85.3 MB in the end (delta: -7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:37,005 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory was 32.9 MB in the beginning and 32.9 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:00:37,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.22 ms. Allocated memory is still 113.2 MB. Free memory was 77.4 MB in the beginning and 85.3 MB in the end (delta: -7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:37,009 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory was 32.9 MB in the beginning and 32.9 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 407.22 ms. Allocated memory is still 113.2 MB. Free memory was 77.4 MB in the beginning and 85.3 MB in the end (delta: -7.9 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: 559]: 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 0.2.0-a4ecdab [2020-11-22 13:00:39,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:00:39,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:00:39,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:00:39,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:00:39,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:00:39,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:00:39,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:00:39,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:00:39,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:00:39,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:00:39,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:00:39,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:00:39,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:00:39,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:00:39,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:00:39,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:00:39,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:00:39,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:00:39,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:00:39,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:00:39,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:00:39,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:00:39,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:00:39,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:00:39,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:00:39,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:00:39,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:00:39,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:00:39,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:00:39,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:00:39,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:00:39,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:00:39,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:00:39,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:00:39,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:00:39,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:00:39,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:00:39,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:00:39,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:00:39,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:00:39,339 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:00:39,382 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:00:39,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:00:39,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:00:39,384 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:00:39,385 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:00:39,385 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:00:39,385 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:00:39,385 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:00:39,385 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:00:39,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:00:39,388 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:00:39,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:00:39,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:00:39,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:00:39,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:00:39,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:00:39,389 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:00:39,389 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:00:39,389 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:00:39,390 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:00:39,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:00:39,390 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:00:39,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:00:39,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:00:39,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:00:39,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:00:39,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:00:39,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:00:39,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:00:39,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:00:39,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:00:39,394 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:00:39,394 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:00:39,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:00:39,394 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:00:39,394 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:00:39,395 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-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10f05e3ec3dc20c87bc900eaaa9b2990393e6df5 [2020-11-22 13:00:39,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:00:39,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:00:39,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:00:39,796 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:00:39,796 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:00:39,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2020-11-22 13:00:39,878 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/data/a77bf2206/86a9c26343be416c824f5ec31e83ccc5/FLAG417aa9cbd [2020-11-22 13:00:40,497 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:00:40,498 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2020-11-22 13:00:40,511 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/data/a77bf2206/86a9c26343be416c824f5ec31e83ccc5/FLAG417aa9cbd [2020-11-22 13:00:40,880 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/data/a77bf2206/86a9c26343be416c824f5ec31e83ccc5 [2020-11-22 13:00:40,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:00:40,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:00:40,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:00:40,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:00:40,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:00:40,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:00:40" (1/1) ... [2020-11-22 13:00:40,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a039e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:40, skipping insertion in model container [2020-11-22 13:00:40,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:00:40" (1/1) ... [2020-11-22 13:00:40,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:00:40,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:00:41,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:00:41,264 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:00:41,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:00:41,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:00:41,380 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:00:41,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:00:41,522 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:00:41,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:41 WrapperNode [2020-11-22 13:00:41,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:00:41,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:00:41,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:00:41,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:00:41,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:41" (1/1) ... [2020-11-22 13:00:41,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:41" (1/1) ... [2020-11-22 13:00:41,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:00:41,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:00:41,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:00:41,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:00:41,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:41" (1/1) ... [2020-11-22 13:00:41,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:41" (1/1) ... [2020-11-22 13:00:41,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:41" (1/1) ... [2020-11-22 13:00:41,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:41" (1/1) ... [2020-11-22 13:00:41,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:41" (1/1) ... [2020-11-22 13:00:41,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:41" (1/1) ... [2020-11-22 13:00:41,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:41" (1/1) ... [2020-11-22 13:00:41,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:00:41,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:00:41,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:00:41,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:00:41,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:00:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:00:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:00:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:00:41,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:00:44,213 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:00:44,213 INFO L298 CfgBuilder]: Removed 102 assume(true) statements. [2020-11-22 13:00:44,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:00:44 BoogieIcfgContainer [2020-11-22 13:00:44,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:00:44,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:00:44,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:00:44,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:00:44,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:00:40" (1/3) ... [2020-11-22 13:00:44,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63879927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:00:44, skipping insertion in model container [2020-11-22 13:00:44,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:41" (2/3) ... [2020-11-22 13:00:44,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63879927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:00:44, skipping insertion in model container [2020-11-22 13:00:44,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:00:44" (3/3) ... [2020-11-22 13:00:44,222 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2020-11-22 13:00:44,233 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:00:44,237 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:00:44,247 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:00:44,268 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:00:44,268 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:00:44,268 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:00:44,268 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:00:44,268 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:00:44,268 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:00:44,268 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:00:44,269 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:00:44,282 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-11-22 13:00:44,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 13:00:44,288 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:00:44,288 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:00:44,289 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:00:44,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:00:44,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1009828906, now seen corresponding path program 1 times [2020-11-22 13:00:44,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:00:44,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [134539299] [2020-11-22 13:00:44,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 13:00:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:00:44,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:00:44,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:00:44,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:44,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:00:44,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:44,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [134539299] [2020-11-22 13:00:44,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:00:44,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:00:44,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164588498] [2020-11-22 13:00:44,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:00:44,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:00:44,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:00:44,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:00:44,671 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-11-22 13:00:44,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:00:44,708 INFO L93 Difference]: Finished difference Result 147 states and 218 transitions. [2020-11-22 13:00:44,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:00:44,710 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 13:00:44,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:00:44,723 INFO L225 Difference]: With dead ends: 147 [2020-11-22 13:00:44,723 INFO L226 Difference]: Without dead ends: 71 [2020-11-22 13:00:44,726 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:00:44,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-22 13:00:44,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-11-22 13:00:44,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-22 13:00:44,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-11-22 13:00:44,786 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2020-11-22 13:00:44,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:00:44,787 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-11-22 13:00:44,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:00:44,787 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-11-22 13:00:44,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 13:00:44,788 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:00:44,789 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:00:45,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:00:45,002 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:00:45,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:00:45,003 INFO L82 PathProgramCache]: Analyzing trace with hash -36927991, now seen corresponding path program 1 times [2020-11-22 13:00:45,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:00:45,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [445765760] [2020-11-22 13:00:45,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 13:00:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:00:45,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:00:45,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:00:45,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:45,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:00:45,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:45,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [445765760] [2020-11-22 13:00:45,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:00:45,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:00:45,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466986228] [2020-11-22 13:00:45,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:00:45,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:00:45,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:00:45,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:00:45,278 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 4 states. [2020-11-22 13:00:45,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:00:45,300 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-11-22 13:00:45,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:00:45,300 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 13:00:45,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:00:45,302 INFO L225 Difference]: With dead ends: 71 [2020-11-22 13:00:45,302 INFO L226 Difference]: Without dead ends: 33 [2020-11-22 13:00:45,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:00:45,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-22 13:00:45,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-22 13:00:45,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-22 13:00:45,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-11-22 13:00:45,313 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-11-22 13:00:45,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:00:45,317 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-11-22 13:00:45,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:00:45,317 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-11-22 13:00:45,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 13:00:45,318 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:00:45,319 INFO L422 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] [2020-11-22 13:00:45,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:00:45,532 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:00:45,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:00:45,533 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2020-11-22 13:00:45,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:00:45,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [929418370] [2020-11-22 13:00:45,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 13:00:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:00:45,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:00:45,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:00:45,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:45,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:00:45,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:45,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [929418370] [2020-11-22 13:00:45,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:00:45,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 13:00:45,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703654293] [2020-11-22 13:00:45,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:00:45,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:00:45,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:00:45,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:00:45,788 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2020-11-22 13:00:45,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:00:45,803 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-11-22 13:00:45,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:00:45,806 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 13:00:45,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:00:45,807 INFO L225 Difference]: With dead ends: 60 [2020-11-22 13:00:45,807 INFO L226 Difference]: Without dead ends: 33 [2020-11-22 13:00:45,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:00:45,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-22 13:00:45,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-22 13:00:45,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-22 13:00:45,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-11-22 13:00:45,815 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2020-11-22 13:00:45,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:00:45,816 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-11-22 13:00:45,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:00:45,816 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-11-22 13:00:45,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 13:00:45,817 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:00:45,817 INFO L422 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] [2020-11-22 13:00:46,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:00:46,018 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:00:46,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:00:46,019 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2020-11-22 13:00:46,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:00:46,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2107855191] [2020-11-22 13:00:46,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 13:00:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:00:46,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:00:46,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:00:46,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:46,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:00:46,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:46,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2107855191] [2020-11-22 13:00:46,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:00:46,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 13:00:46,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96293560] [2020-11-22 13:00:46,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:00:46,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:00:46,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:00:46,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:00:46,293 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 8 states. [2020-11-22 13:00:46,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:00:46,612 INFO L93 Difference]: Finished difference Result 220 states and 329 transitions. [2020-11-22 13:00:46,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-22 13:00:46,613 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-11-22 13:00:46,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:00:46,615 INFO L225 Difference]: With dead ends: 220 [2020-11-22 13:00:46,616 INFO L226 Difference]: Without dead ends: 193 [2020-11-22 13:00:46,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-22 13:00:46,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-11-22 13:00:46,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 78. [2020-11-22 13:00:46,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-11-22 13:00:46,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2020-11-22 13:00:46,634 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2020-11-22 13:00:46,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:00:46,634 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2020-11-22 13:00:46,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:00:46,634 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2020-11-22 13:00:46,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:00:46,636 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:00:46,636 INFO L422 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] [2020-11-22 13:00:46,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:00:46,852 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:00:46,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:00:46,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1283837447, now seen corresponding path program 1 times [2020-11-22 13:00:46,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:00:46,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225389126] [2020-11-22 13:00:46,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-22 13:00:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:00:47,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:00:47,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:00:47,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:47,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:00:47,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:47,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225389126] [2020-11-22 13:00:47,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:00:47,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 13:00:47,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309166323] [2020-11-22 13:00:47,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:00:47,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:00:47,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:00:47,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:00:47,058 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand 3 states. [2020-11-22 13:00:48,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:00:48,284 INFO L93 Difference]: Finished difference Result 202 states and 286 transitions. [2020-11-22 13:00:48,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:00:48,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-22 13:00:48,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:00:48,287 INFO L225 Difference]: With dead ends: 202 [2020-11-22 13:00:48,287 INFO L226 Difference]: Without dead ends: 130 [2020-11-22 13:00:48,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:00:48,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-11-22 13:00:48,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2020-11-22 13:00:48,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-11-22 13:00:48,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 177 transitions. [2020-11-22 13:00:48,323 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 177 transitions. Word has length 24 [2020-11-22 13:00:48,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:00:48,323 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 177 transitions. [2020-11-22 13:00:48,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:00:48,324 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 177 transitions. [2020-11-22 13:00:48,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-22 13:00:48,330 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:00:48,330 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:00:48,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:00:48,543 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:00:48,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:00:48,544 INFO L82 PathProgramCache]: Analyzing trace with hash 234285946, now seen corresponding path program 1 times [2020-11-22 13:00:48,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:00:48,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1396252431] [2020-11-22 13:00:48,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-22 13:00:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:00:48,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:00:48,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:00:48,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:48,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:00:48,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:48,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1396252431] [2020-11-22 13:00:48,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:00:48,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:00:48,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810599989] [2020-11-22 13:00:48,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:00:48,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:00:48,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:00:48,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:00:48,805 INFO L87 Difference]: Start difference. First operand 128 states and 177 transitions. Second operand 3 states. [2020-11-22 13:00:48,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:00:48,824 INFO L93 Difference]: Finished difference Result 182 states and 254 transitions. [2020-11-22 13:00:48,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:00:48,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2020-11-22 13:00:48,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:00:48,826 INFO L225 Difference]: With dead ends: 182 [2020-11-22 13:00:48,826 INFO L226 Difference]: Without dead ends: 60 [2020-11-22 13:00:48,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:00:48,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-11-22 13:00:48,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-11-22 13:00:48,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-22 13:00:48,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2020-11-22 13:00:48,835 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 29 [2020-11-22 13:00:48,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:00:48,835 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2020-11-22 13:00:48,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:00:48,838 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-11-22 13:00:48,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-22 13:00:48,843 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:00:48,843 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:00:49,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 13:00:49,059 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:00:49,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:00:49,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1611517957, now seen corresponding path program 1 times [2020-11-22 13:00:49,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:00:49,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868229025] [2020-11-22 13:00:49,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-11-22 13:00:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:00:49,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 13:00:49,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:00:49,271 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:49,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:00:49,310 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:49,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868229025] [2020-11-22 13:00:49,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [100940521] [2020-11-22 13:00:49,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 13:00:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:00:49,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:00:49,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:00:49,555 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-22 13:00:49,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:00:49,561 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-22 13:00:49,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-22 13:00:49,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2020-11-22 13:00:49,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071504889] [2020-11-22 13:00:49,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:00:49,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:00:49,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:00:49,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:00:49,568 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2020-11-22 13:00:49,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:00:49,661 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2020-11-22 13:00:49,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:00:49,662 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-11-22 13:00:49,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:00:49,662 INFO L225 Difference]: With dead ends: 118 [2020-11-22 13:00:49,663 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:00:49,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-11-22 13:00:49,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:00:49,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:00:49,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:00:49,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:00:49,664 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-11-22 13:00:49,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:00:49,664 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:00:49,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:00:49,664 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:00:49,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:00:50,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk,8 mathsat -unsat_core_generation=3 [2020-11-22 13:00:50,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:00:50,590 INFO L274 CegarLoopResult]: For program point L448(lines 448 452) no Hoare annotation was computed. [2020-11-22 13:00:50,590 INFO L270 CegarLoopResult]: At program point L382(lines 377 385) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:00:50,590 INFO L274 CegarLoopResult]: For program point L448-3(lines 448 452) no Hoare annotation was computed. [2020-11-22 13:00:50,590 INFO L270 CegarLoopResult]: At program point L382-1(lines 377 385) the Hoare annotation is: false [2020-11-22 13:00:50,591 INFO L270 CegarLoopResult]: At program point L382-2(lines 377 385) the Hoare annotation is: false [2020-11-22 13:00:50,591 INFO L274 CegarLoopResult]: For program point L448-6(lines 448 452) no Hoare annotation was computed. [2020-11-22 13:00:50,591 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:00:50,591 INFO L274 CegarLoopResult]: For program point L333(lines 333 341) no Hoare annotation was computed. [2020-11-22 13:00:50,591 INFO L274 CegarLoopResult]: For program point L333-1(lines 333 341) no Hoare annotation was computed. [2020-11-22 13:00:50,591 INFO L274 CegarLoopResult]: For program point L333-2(lines 333 341) no Hoare annotation was computed. [2020-11-22 13:00:50,591 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:00:50,591 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:00:50,592 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:00:50,592 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:00:50,592 INFO L274 CegarLoopResult]: For program point L53(lines 53 66) no Hoare annotation was computed. [2020-11-22 13:00:50,592 INFO L270 CegarLoopResult]: At program point L53-1(lines 1 895) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:00:50,592 INFO L274 CegarLoopResult]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2020-11-22 13:00:50,592 INFO L270 CegarLoopResult]: At program point L53-3(lines 1 895) the Hoare annotation is: false [2020-11-22 13:00:50,592 INFO L274 CegarLoopResult]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2020-11-22 13:00:50,592 INFO L270 CegarLoopResult]: At program point L53-5(lines 1 895) the Hoare annotation is: false [2020-11-22 13:00:50,592 INFO L274 CegarLoopResult]: For program point L87(lines 87 91) no Hoare annotation was computed. [2020-11-22 13:00:50,593 INFO L274 CegarLoopResult]: For program point L87-1(lines 297 303) no Hoare annotation was computed. [2020-11-22 13:00:50,593 INFO L277 CegarLoopResult]: At program point L170(lines 151 173) the Hoare annotation is: true [2020-11-22 13:00:50,593 INFO L270 CegarLoopResult]: At program point L517(lines 512 520) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:00:50,593 INFO L270 CegarLoopResult]: At program point L517-1(lines 512 520) the Hoare annotation is: false [2020-11-22 13:00:50,593 INFO L270 CegarLoopResult]: At program point L517-2(lines 512 520) the Hoare annotation is: false [2020-11-22 13:00:50,593 INFO L270 CegarLoopResult]: At program point L304(lines 304 310) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:00:50,593 INFO L270 CegarLoopResult]: At program point L304-1(lines 304 310) the Hoare annotation is: false [2020-11-22 13:00:50,593 INFO L270 CegarLoopResult]: At program point L304-2(lines 304 310) the Hoare annotation is: false [2020-11-22 13:00:50,593 INFO L274 CegarLoopResult]: For program point L57(lines 57 63) no Hoare annotation was computed. [2020-11-22 13:00:50,594 INFO L274 CegarLoopResult]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2020-11-22 13:00:50,594 INFO L270 CegarLoopResult]: At program point L437(lines 422 440) the Hoare annotation is: false [2020-11-22 13:00:50,594 INFO L274 CegarLoopResult]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2020-11-22 13:00:50,594 INFO L270 CegarLoopResult]: At program point L437-1(lines 422 440) the Hoare annotation is: false [2020-11-22 13:00:50,594 INFO L270 CegarLoopResult]: At program point L437-2(lines 422 440) the Hoare annotation is: false [2020-11-22 13:00:50,594 INFO L274 CegarLoopResult]: For program point L239(lines 239 245) no Hoare annotation was computed. [2020-11-22 13:00:50,594 INFO L270 CegarLoopResult]: At program point L206(lines 1 895) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:00:50,594 INFO L270 CegarLoopResult]: At program point L239-1(lines 239 245) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:00:50,594 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:00:50,594 INFO L274 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2020-11-22 13:00:50,595 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:00:50,595 INFO L270 CegarLoopResult]: At program point L275(lines 228 276) the Hoare annotation is: false [2020-11-22 13:00:50,595 INFO L274 CegarLoopResult]: For program point L259(lines 259 270) no Hoare annotation was computed. [2020-11-22 13:00:50,595 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:00:50,595 INFO L274 CegarLoopResult]: For program point L161(lines 161 168) no Hoare annotation was computed. [2020-11-22 13:00:50,595 INFO L277 CegarLoopResult]: At program point L161-1(lines 161 168) the Hoare annotation is: true [2020-11-22 13:00:50,595 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-22 13:00:50,595 INFO L274 CegarLoopResult]: For program point L179-1(line 179) no Hoare annotation was computed. [2020-11-22 13:00:50,595 INFO L274 CegarLoopResult]: For program point L179-2(line 179) no Hoare annotation was computed. [2020-11-22 13:00:50,595 INFO L270 CegarLoopResult]: At program point L526(lines 521 529) the Hoare annotation is: false [2020-11-22 13:00:50,596 INFO L270 CegarLoopResult]: At program point L526-1(lines 521 529) the Hoare annotation is: false [2020-11-22 13:00:50,597 INFO L274 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2020-11-22 13:00:50,597 INFO L270 CegarLoopResult]: At program point L526-2(lines 521 529) the Hoare annotation is: false [2020-11-22 13:00:50,597 INFO L274 CegarLoopResult]: For program point L329(lines 329 346) no Hoare annotation was computed. [2020-11-22 13:00:50,597 INFO L274 CegarLoopResult]: For program point L329-1(lines 329 346) no Hoare annotation was computed. [2020-11-22 13:00:50,597 INFO L274 CegarLoopResult]: For program point L329-2(lines 329 346) no Hoare annotation was computed. [2020-11-22 13:00:50,597 INFO L274 CegarLoopResult]: For program point L230(lines 229 274) no Hoare annotation was computed. [2020-11-22 13:00:50,597 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:00:50,598 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:00:50,598 INFO L270 CegarLoopResult]: At program point L214(lines 209 217) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:00:50,598 INFO L270 CegarLoopResult]: At program point L297(lines 296 315) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:00:50,598 INFO L274 CegarLoopResult]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2020-11-22 13:00:50,598 INFO L274 CegarLoopResult]: For program point L231(lines 231 235) no Hoare annotation was computed. [2020-11-22 13:00:50,598 INFO L270 CegarLoopResult]: At program point L297-2(lines 296 315) the Hoare annotation is: false [2020-11-22 13:00:50,598 INFO L270 CegarLoopResult]: At program point L297-3(lines 296 315) the Hoare annotation is: false [2020-11-22 13:00:50,599 INFO L270 CegarLoopResult]: At program point L83-2(lines 83 97) the Hoare annotation is: false [2020-11-22 13:00:50,599 INFO L274 CegarLoopResult]: For program point L265(lines 265 269) no Hoare annotation was computed. [2020-11-22 13:00:50,599 INFO L274 CegarLoopResult]: For program point L265-2(lines 297 303) no Hoare annotation was computed. [2020-11-22 13:00:50,599 INFO L274 CegarLoopResult]: For program point L249(lines 249 255) no Hoare annotation was computed. [2020-11-22 13:00:50,599 INFO L270 CegarLoopResult]: At program point L249-1(lines 249 255) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:00:50,599 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-11-22 13:00:50,599 INFO L274 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-11-22 13:00:50,600 INFO L274 CegarLoopResult]: For program point L431-2(lines 431 435) no Hoare annotation was computed. [2020-11-22 13:00:50,600 INFO L274 CegarLoopResult]: For program point L431-3(lines 431 435) no Hoare annotation was computed. [2020-11-22 13:00:50,600 INFO L274 CegarLoopResult]: For program point L431-5(lines 431 435) no Hoare annotation was computed. [2020-11-22 13:00:50,600 INFO L274 CegarLoopResult]: For program point L431-6(lines 431 435) no Hoare annotation was computed. [2020-11-22 13:00:50,600 INFO L274 CegarLoopResult]: For program point L431-8(lines 431 435) no Hoare annotation was computed. [2020-11-22 13:00:50,600 INFO L270 CegarLoopResult]: At program point L134(lines 130 136) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:00:50,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:00:50 BoogieIcfgContainer [2020-11-22 13:00:50,626 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:00:50,628 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:00:50,628 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:00:50,629 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:00:50,629 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:00:44" (3/4) ... [2020-11-22 13:00:50,632 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:00:50,657 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:00:50,658 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:00:50,659 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:00:50,659 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:00:50,660 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:00:50,660 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:00:50,661 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:00:50,684 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 13:00:50,724 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ab9aab57-c141-40d2-977a-b52fdc87c603/bin/utaipan/witness.graphml [2020-11-22 13:00:50,724 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:00:50,726 INFO L168 Benchmark]: Toolchain (without parser) took 9841.25 ms. Allocated memory was 65.0 MB in the beginning and 113.2 MB in the end (delta: 48.2 MB). Free memory was 45.0 MB in the beginning and 47.2 MB in the end (delta: -2.2 MB). Peak memory consumption was 45.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:50,726 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 65.0 MB. Free memory is still 47.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:00:50,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.76 ms. Allocated memory is still 65.0 MB. Free memory was 44.8 MB in the beginning and 31.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:50,727 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.26 ms. Allocated memory was 65.0 MB in the beginning and 94.4 MB in the end (delta: 29.4 MB). Free memory was 31.7 MB in the beginning and 76.3 MB in the end (delta: -44.6 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:50,727 INFO L168 Benchmark]: Boogie Preprocessor took 38.80 ms. Allocated memory is still 94.4 MB. Free memory was 76.3 MB in the beginning and 73.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:50,728 INFO L168 Benchmark]: RCFGBuilder took 2539.68 ms. Allocated memory is still 94.4 MB. Free memory was 73.7 MB in the beginning and 75.6 MB in the end (delta: -1.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:50,728 INFO L168 Benchmark]: TraceAbstraction took 6411.27 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 75.1 MB in the beginning and 53.5 MB in the end (delta: 21.6 MB). Peak memory consumption was 58.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:50,729 INFO L168 Benchmark]: Witness Printer took 95.96 ms. Allocated memory is still 113.2 MB. Free memory was 53.5 MB in the beginning and 47.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:50,731 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 65.0 MB. Free memory is still 47.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 637.76 ms. Allocated memory is still 65.0 MB. Free memory was 44.8 MB in the beginning and 31.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.26 ms. Allocated memory was 65.0 MB in the beginning and 94.4 MB in the end (delta: 29.4 MB). Free memory was 31.7 MB in the beginning and 76.3 MB in the end (delta: -44.6 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.80 ms. Allocated memory is still 94.4 MB. Free memory was 76.3 MB in the beginning and 73.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2539.68 ms. Allocated memory is still 94.4 MB. Free memory was 73.7 MB in the beginning and 75.6 MB in the end (delta: -1.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6411.27 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 75.1 MB in the beginning and 53.5 MB in the end (delta: 21.6 MB). Peak memory consumption was 58.4 MB. Max. memory is 16.1 GB. * Witness Printer took 95.96 ms. Allocated memory is still 113.2 MB. Free memory was 53.5 MB in the beginning and 47.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.8s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 405 SDtfs, 572 SDslu, 419 SDs, 0 SdLazy, 105 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 414 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 117 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 72 NumberOfFragments, 149 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1698 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 30 FomulaSimplificationsInter, 298 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 402 ConstructedInterpolants, 0 QuantifiedInterpolants, 26581 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1614 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...