./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0140910feaef212f3eb8993aa9e49d2064d898fa ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0140910feaef212f3eb8993aa9e49d2064d898fa ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:45:54,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:45:54,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:45:54,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:45:54,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:45:54,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:45:54,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:45:54,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:45:54,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:45:54,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:45:54,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:45:54,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:45:54,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:45:54,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:45:54,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:45:54,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:45:54,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:45:54,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:45:54,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:45:54,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:45:54,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:45:54,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:45:54,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:45:54,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:45:54,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:45:54,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:45:54,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:45:54,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:45:54,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:45:54,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:45:54,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:45:54,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:45:54,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:45:54,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:45:54,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:45:54,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:45:54,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:45:54,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:45:54,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:45:54,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:45:54,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:45:54,294 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 14:45:54,304 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:45:54,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:45:54,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:45:54,305 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:45:54,305 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:45:54,305 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:45:54,305 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 14:45:54,305 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:45:54,305 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:45:54,305 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 14:45:54,305 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 14:45:54,306 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:45:54,306 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 14:45:54,306 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 14:45:54,306 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 14:45:54,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:45:54,307 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:45:54,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:45:54,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:45:54,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:45:54,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:45:54,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:45:54,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:45:54,307 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:45:54,308 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:45:54,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:45:54,308 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:45:54,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:45:54,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:45:54,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:45:54,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:45:54,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:45:54,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:45:54,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:45:54,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:45:54,309 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 14:45:54,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:45:54,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:45:54,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:45:54,310 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:45:54,310 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_07bb27ad-8861-40f5-998f-cf17c22a645e/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(__VERIFIER_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 -> 0140910feaef212f3eb8993aa9e49d2064d898fa [2019-12-07 14:45:54,412 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:45:54,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:45:54,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:45:54,426 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:45:54,426 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:45:54,427 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2019-12-07 14:45:54,476 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/data/f40e6b549/f0d460a411cf4d63adc36b900958e991/FLAG87a678e59 [2019-12-07 14:45:54,834 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:45:54,834 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2019-12-07 14:45:54,843 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/data/f40e6b549/f0d460a411cf4d63adc36b900958e991/FLAG87a678e59 [2019-12-07 14:45:54,852 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/data/f40e6b549/f0d460a411cf4d63adc36b900958e991 [2019-12-07 14:45:54,854 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:45:54,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:45:54,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:45:54,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:45:54,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:45:54,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:45:54" (1/1) ... [2019-12-07 14:45:54,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@149f2f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:45:54, skipping insertion in model container [2019-12-07 14:45:54,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:45:54" (1/1) ... [2019-12-07 14:45:54,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:45:54,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:45:55,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:45:55,169 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) [2019-12-07 14:45:55,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@63b0a6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:45:55, skipping insertion in model container [2019-12-07 14:45:55,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:45:55,170 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 14:45:55,173 INFO L168 Benchmark]: Toolchain (without parser) took 316.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 942.1 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:45:55,173 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:45:55,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:45:55,175 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 502]: 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 0.1.25-f470102 [2019-12-07 14:45:56,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:45:56,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:45:56,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:45:56,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:45:56,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:45:56,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:45:56,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:45:56,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:45:56,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:45:56,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:45:56,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:45:56,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:45:56,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:45:56,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:45:56,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:45:56,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:45:56,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:45:56,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:45:56,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:45:56,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:45:56,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:45:56,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:45:56,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:45:56,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:45:56,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:45:56,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:45:56,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:45:56,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:45:56,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:45:56,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:45:56,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:45:56,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:45:56,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:45:56,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:45:56,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:45:56,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:45:56,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:45:56,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:45:56,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:45:56,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:45:56,393 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 14:45:56,403 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:45:56,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:45:56,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:45:56,404 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:45:56,404 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:45:56,405 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:45:56,405 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:45:56,405 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:45:56,405 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:45:56,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:45:56,406 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:45:56,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:45:56,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:45:56,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:45:56,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:45:56,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:45:56,406 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:45:56,407 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:45:56,407 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:45:56,407 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:45:56,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:45:56,407 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:45:56,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:45:56,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:45:56,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:45:56,408 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:45:56,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:45:56,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:45:56,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:45:56,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:45:56,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:45:56,408 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 14:45:56,408 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:45:56,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:45:56,409 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:45:56,409 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:45:56,409 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_07bb27ad-8861-40f5-998f-cf17c22a645e/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(__VERIFIER_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 -> 0140910feaef212f3eb8993aa9e49d2064d898fa [2019-12-07 14:45:56,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:45:56,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:45:56,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:45:56,584 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:45:56,585 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:45:56,585 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2019-12-07 14:45:56,624 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/data/e785355b6/51ff937fef784010a84fb9de1b792f8b/FLAG3007fc792 [2019-12-07 14:45:57,089 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:45:57,090 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2019-12-07 14:45:57,099 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/data/e785355b6/51ff937fef784010a84fb9de1b792f8b/FLAG3007fc792 [2019-12-07 14:45:57,108 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/data/e785355b6/51ff937fef784010a84fb9de1b792f8b [2019-12-07 14:45:57,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:45:57,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:45:57,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:45:57,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:45:57,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:45:57,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:45:57" (1/1) ... [2019-12-07 14:45:57,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e05d898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:45:57, skipping insertion in model container [2019-12-07 14:45:57,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:45:57" (1/1) ... [2019-12-07 14:45:57,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:45:57,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:45:57,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:45:57,375 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 14:45:57,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:45:57,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:45:57,427 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:45:57,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:45:57,494 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:45:57,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:45:57 WrapperNode [2019-12-07 14:45:57,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:45:57,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:45:57,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:45:57,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:45:57,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:45:57" (1/1) ... [2019-12-07 14:45:57,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:45:57" (1/1) ... [2019-12-07 14:45:57,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:45:57,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:45:57,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:45:57,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:45:57,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:45:57" (1/1) ... [2019-12-07 14:45:57,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:45:57" (1/1) ... [2019-12-07 14:45:57,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:45:57" (1/1) ... [2019-12-07 14:45:57,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:45:57" (1/1) ... [2019-12-07 14:45:57,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:45:57" (1/1) ... [2019-12-07 14:45:57,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:45:57" (1/1) ... [2019-12-07 14:45:57,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:45:57" (1/1) ... [2019-12-07 14:45:57,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:45:57,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:45:57,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:45:57,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:45:57,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:45:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/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 [2019-12-07 14:45:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:45:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 14:45:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:45:57,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:45:58,190 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:45:58,190 INFO L287 CfgBuilder]: Removed 174 assume(true) statements. [2019-12-07 14:45:58,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:45:58 BoogieIcfgContainer [2019-12-07 14:45:58,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:45:58,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:45:58,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:45:58,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:45:58,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:45:57" (1/3) ... [2019-12-07 14:45:58,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@553a3cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:45:58, skipping insertion in model container [2019-12-07 14:45:58,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:45:57" (2/3) ... [2019-12-07 14:45:58,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@553a3cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:45:58, skipping insertion in model container [2019-12-07 14:45:58,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:45:58" (3/3) ... [2019-12-07 14:45:58,197 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2019-12-07 14:45:58,203 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:45:58,208 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 14:45:58,216 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 14:45:58,233 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:45:58,233 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:45:58,233 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:45:58,233 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:45:58,233 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:45:58,233 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:45:58,233 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:45:58,234 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:45:58,246 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2019-12-07 14:45:58,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 14:45:58,250 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:45:58,251 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:45:58,251 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:45:58,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:45:58,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1681835383, now seen corresponding path program 1 times [2019-12-07 14:45:58,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:45:58,264 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1747407307] [2019-12-07 14:45:58,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/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 [2019-12-07 14:45:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:45:58,411 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 14:45:58,415 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:45:58,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:45:58,426 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:45:58,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:45:58,430 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1747407307] [2019-12-07 14:45:58,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:45:58,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:45:58,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442116842] [2019-12-07 14:45:58,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:45:58,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:45:58,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:45:58,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:45:58,445 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2019-12-07 14:45:58,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:45:58,467 INFO L93 Difference]: Finished difference Result 249 states and 376 transitions. [2019-12-07 14:45:58,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:45:58,468 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-12-07 14:45:58,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:45:58,476 INFO L225 Difference]: With dead ends: 249 [2019-12-07 14:45:58,476 INFO L226 Difference]: Without dead ends: 124 [2019-12-07 14:45:58,479 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:45:58,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-12-07 14:45:58,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-12-07 14:45:58,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-12-07 14:45:58,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2019-12-07 14:45:58,510 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 19 [2019-12-07 14:45:58,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:45:58,510 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2019-12-07 14:45:58,510 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:45:58,511 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2019-12-07 14:45:58,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 14:45:58,511 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:45:58,512 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:45:58,712 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:45:58,712 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:45:58,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:45:58,713 INFO L82 PathProgramCache]: Analyzing trace with hash 124184170, now seen corresponding path program 1 times [2019-12-07 14:45:58,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:45:58,714 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076137528] [2019-12-07 14:45:58,714 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/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 [2019-12-07 14:45:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:45:58,831 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:45:58,833 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:45:58,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:45:58,846 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:45:58,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:45:58,855 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076137528] [2019-12-07 14:45:58,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:45:58,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 14:45:58,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666628609] [2019-12-07 14:45:58,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:45:58,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:45:58,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:45:58,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:45:58,858 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand 4 states. [2019-12-07 14:45:58,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:45:58,873 INFO L93 Difference]: Finished difference Result 124 states and 180 transitions. [2019-12-07 14:45:58,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:45:58,874 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-12-07 14:45:58,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:45:58,875 INFO L225 Difference]: With dead ends: 124 [2019-12-07 14:45:58,875 INFO L226 Difference]: Without dead ends: 53 [2019-12-07 14:45:58,876 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:45:58,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-12-07 14:45:58,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-12-07 14:45:58,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-12-07 14:45:58,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-12-07 14:45:58,882 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 20 [2019-12-07 14:45:58,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:45:58,883 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-12-07 14:45:58,883 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:45:58,883 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-12-07 14:45:58,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 14:45:58,884 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:45:58,884 INFO L410 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] [2019-12-07 14:45:59,085 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 14:45:59,086 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:45:59,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:45:59,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1773395585, now seen corresponding path program 1 times [2019-12-07 14:45:59,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:45:59,089 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548597562] [2019-12-07 14:45:59,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/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 [2019-12-07 14:45:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:45:59,266 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:45:59,268 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:45:59,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:45:59,276 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:45:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:45:59,283 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1548597562] [2019-12-07 14:45:59,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:45:59,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 14:45:59,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648985145] [2019-12-07 14:45:59,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:45:59,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:45:59,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:45:59,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:45:59,285 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 4 states. [2019-12-07 14:45:59,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:45:59,305 INFO L93 Difference]: Finished difference Result 171 states and 252 transitions. [2019-12-07 14:45:59,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:45:59,306 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-12-07 14:45:59,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:45:59,307 INFO L225 Difference]: With dead ends: 171 [2019-12-07 14:45:59,307 INFO L226 Difference]: Without dead ends: 125 [2019-12-07 14:45:59,308 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:45:59,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-12-07 14:45:59,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 75. [2019-12-07 14:45:59,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-12-07 14:45:59,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 109 transitions. [2019-12-07 14:45:59,316 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 109 transitions. Word has length 26 [2019-12-07 14:45:59,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:45:59,317 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 109 transitions. [2019-12-07 14:45:59,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:45:59,317 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2019-12-07 14:45:59,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 14:45:59,318 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:45:59,318 INFO L410 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] [2019-12-07 14:45:59,518 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 14:45:59,519 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:45:59,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:45:59,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1811224639, now seen corresponding path program 1 times [2019-12-07 14:45:59,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:45:59,521 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [477764409] [2019-12-07 14:45:59,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/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 [2019-12-07 14:45:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:45:59,690 INFO L264 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:45:59,692 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:45:59,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:45:59,697 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:45:59,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:45:59,700 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [477764409] [2019-12-07 14:45:59,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:45:59,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 14:45:59,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084405798] [2019-12-07 14:45:59,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:45:59,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:45:59,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:45:59,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:45:59,701 INFO L87 Difference]: Start difference. First operand 75 states and 109 transitions. Second operand 3 states. [2019-12-07 14:45:59,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:45:59,761 INFO L93 Difference]: Finished difference Result 167 states and 245 transitions. [2019-12-07 14:45:59,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:45:59,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-12-07 14:45:59,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:45:59,762 INFO L225 Difference]: With dead ends: 167 [2019-12-07 14:45:59,762 INFO L226 Difference]: Without dead ends: 99 [2019-12-07 14:45:59,763 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:45:59,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-12-07 14:45:59,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2019-12-07 14:45:59,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-12-07 14:45:59,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2019-12-07 14:45:59,771 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 28 [2019-12-07 14:45:59,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:45:59,772 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2019-12-07 14:45:59,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:45:59,772 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2019-12-07 14:45:59,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 14:45:59,773 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:45:59,773 INFO L410 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] [2019-12-07 14:45:59,973 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 14:45:59,974 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:45:59,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:45:59,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1504916170, now seen corresponding path program 1 times [2019-12-07 14:45:59,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:45:59,975 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1530183431] [2019-12-07 14:45:59,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/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 [2019-12-07 14:46:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:00,147 INFO L264 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:46:00,148 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:00,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:00,161 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:46:00,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:00,167 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1530183431] [2019-12-07 14:46:00,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:46:00,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 14:46:00,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967230661] [2019-12-07 14:46:00,168 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:46:00,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:46:00,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:46:00,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:46:00,168 INFO L87 Difference]: Start difference. First operand 97 states and 137 transitions. Second operand 5 states. [2019-12-07 14:46:00,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:46:00,301 INFO L93 Difference]: Finished difference Result 314 states and 445 transitions. [2019-12-07 14:46:00,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 14:46:00,301 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-12-07 14:46:00,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:46:00,302 INFO L225 Difference]: With dead ends: 314 [2019-12-07 14:46:00,302 INFO L226 Difference]: Without dead ends: 224 [2019-12-07 14:46:00,303 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 14:46:00,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-12-07 14:46:00,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 95. [2019-12-07 14:46:00,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-12-07 14:46:00,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 131 transitions. [2019-12-07 14:46:00,318 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 131 transitions. Word has length 29 [2019-12-07 14:46:00,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:46:00,318 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 131 transitions. [2019-12-07 14:46:00,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:46:00,319 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 131 transitions. [2019-12-07 14:46:00,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 14:46:00,320 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:46:00,320 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:46:00,521 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 14:46:00,522 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:46:00,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:00,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1415533294, now seen corresponding path program 1 times [2019-12-07 14:46:00,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:46:00,523 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [787831593] [2019-12-07 14:46:00,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/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 [2019-12-07 14:46:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:00,664 INFO L264 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:46:00,666 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:00,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:00,677 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:46:00,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:00,680 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [787831593] [2019-12-07 14:46:00,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:46:00,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 14:46:00,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011219070] [2019-12-07 14:46:00,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:46:00,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:46:00,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:46:00,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:46:00,681 INFO L87 Difference]: Start difference. First operand 95 states and 131 transitions. Second operand 5 states. [2019-12-07 14:46:00,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:46:00,736 INFO L93 Difference]: Finished difference Result 276 states and 380 transitions. [2019-12-07 14:46:00,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 14:46:00,736 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 14:46:00,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:46:00,737 INFO L225 Difference]: With dead ends: 276 [2019-12-07 14:46:00,738 INFO L226 Difference]: Without dead ends: 188 [2019-12-07 14:46:00,738 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 14:46:00,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-12-07 14:46:00,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 101. [2019-12-07 14:46:00,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-12-07 14:46:00,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 137 transitions. [2019-12-07 14:46:00,746 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 137 transitions. Word has length 34 [2019-12-07 14:46:00,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:46:00,747 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 137 transitions. [2019-12-07 14:46:00,747 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:46:00,747 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 137 transitions. [2019-12-07 14:46:00,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 14:46:00,747 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:46:00,748 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:46:00,948 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 14:46:00,949 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:46:00,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:00,949 INFO L82 PathProgramCache]: Analyzing trace with hash 2116597872, now seen corresponding path program 1 times [2019-12-07 14:46:00,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:46:00,950 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [376993065] [2019-12-07 14:46:00,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/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 [2019-12-07 14:46:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:01,111 INFO L264 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 14:46:01,112 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:01,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:01,120 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:46:01,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:01,129 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [376993065] [2019-12-07 14:46:01,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:46:01,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 14:46:01,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693807363] [2019-12-07 14:46:01,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 14:46:01,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:46:01,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 14:46:01,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:46:01,131 INFO L87 Difference]: Start difference. First operand 101 states and 137 transitions. Second operand 6 states. [2019-12-07 14:46:01,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:46:01,174 INFO L93 Difference]: Finished difference Result 293 states and 397 transitions. [2019-12-07 14:46:01,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:46:01,175 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-07 14:46:01,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:46:01,176 INFO L225 Difference]: With dead ends: 293 [2019-12-07 14:46:01,176 INFO L226 Difference]: Without dead ends: 199 [2019-12-07 14:46:01,177 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 14:46:01,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2019-12-07 14:46:01,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 105. [2019-12-07 14:46:01,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-12-07 14:46:01,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 141 transitions. [2019-12-07 14:46:01,190 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 141 transitions. Word has length 34 [2019-12-07 14:46:01,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:46:01,191 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 141 transitions. [2019-12-07 14:46:01,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 14:46:01,191 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 141 transitions. [2019-12-07 14:46:01,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 14:46:01,192 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:46:01,192 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:46:01,392 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 14:46:01,393 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:46:01,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:01,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1529791858, now seen corresponding path program 1 times [2019-12-07 14:46:01,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:46:01,395 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [680138127] [2019-12-07 14:46:01,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 14:46:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:01,526 INFO L264 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:46:01,527 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:01,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:01,532 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:46:01,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:01,540 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [680138127] [2019-12-07 14:46:01,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:46:01,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 14:46:01,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670914845] [2019-12-07 14:46:01,540 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:46:01,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:46:01,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:46:01,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:46:01,541 INFO L87 Difference]: Start difference. First operand 105 states and 141 transitions. Second operand 4 states. [2019-12-07 14:46:01,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:46:01,591 INFO L93 Difference]: Finished difference Result 337 states and 457 transitions. [2019-12-07 14:46:01,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:46:01,592 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-12-07 14:46:01,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:46:01,593 INFO L225 Difference]: With dead ends: 337 [2019-12-07 14:46:01,593 INFO L226 Difference]: Without dead ends: 239 [2019-12-07 14:46:01,593 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:46:01,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2019-12-07 14:46:01,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 187. [2019-12-07 14:46:01,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2019-12-07 14:46:01,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 251 transitions. [2019-12-07 14:46:01,605 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 251 transitions. Word has length 34 [2019-12-07 14:46:01,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:46:01,606 INFO L462 AbstractCegarLoop]: Abstraction has 187 states and 251 transitions. [2019-12-07 14:46:01,606 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:46:01,606 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 251 transitions. [2019-12-07 14:46:01,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 14:46:01,607 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:46:01,607 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:46:01,807 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 14:46:01,807 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:46:01,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:01,808 INFO L82 PathProgramCache]: Analyzing trace with hash 133845682, now seen corresponding path program 1 times [2019-12-07 14:46:01,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:46:01,808 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1606916265] [2019-12-07 14:46:01,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 14:46:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:01,907 INFO L264 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 14:46:01,908 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:01,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:01,925 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:46:01,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:01,932 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1606916265] [2019-12-07 14:46:01,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:46:01,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 14:46:01,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937934389] [2019-12-07 14:46:01,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 14:46:01,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:46:01,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 14:46:01,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:46:01,933 INFO L87 Difference]: Start difference. First operand 187 states and 251 transitions. Second operand 6 states. [2019-12-07 14:46:02,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:46:02,258 INFO L93 Difference]: Finished difference Result 948 states and 1287 transitions. [2019-12-07 14:46:02,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 14:46:02,258 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-12-07 14:46:02,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:46:02,263 INFO L225 Difference]: With dead ends: 948 [2019-12-07 14:46:02,263 INFO L226 Difference]: Without dead ends: 768 [2019-12-07 14:46:02,263 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-12-07 14:46:02,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2019-12-07 14:46:02,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 341. [2019-12-07 14:46:02,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2019-12-07 14:46:02,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 452 transitions. [2019-12-07 14:46:02,298 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 452 transitions. Word has length 35 [2019-12-07 14:46:02,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:46:02,298 INFO L462 AbstractCegarLoop]: Abstraction has 341 states and 452 transitions. [2019-12-07 14:46:02,298 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 14:46:02,298 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 452 transitions. [2019-12-07 14:46:02,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 14:46:02,299 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:46:02,300 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:46:02,500 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 14:46:02,500 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:46:02,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:02,501 INFO L82 PathProgramCache]: Analyzing trace with hash 767046238, now seen corresponding path program 1 times [2019-12-07 14:46:02,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:46:02,501 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465041110] [2019-12-07 14:46:02,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 14:46:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:02,599 INFO L264 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 14:46:02,600 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:02,620 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-07 14:46:02,620 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:46:02,623 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:46:02,639 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-07 14:46:02,640 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [465041110] [2019-12-07 14:46:02,640 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [695818796] [2019-12-07 14:46:02,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 14:46:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:02,742 INFO L264 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 14:46:02,744 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:02,769 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:02,769 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:46:02,801 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:02,802 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129322536] [2019-12-07 14:46:02,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:46:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:02,903 INFO L264 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:46:02,904 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:02,910 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:02,910 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:46:02,916 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:46:02,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 14:46:02,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 14 [2019-12-07 14:46:02,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436003870] [2019-12-07 14:46:02,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 14:46:02,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:46:02,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 14:46:02,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-12-07 14:46:02,918 INFO L87 Difference]: Start difference. First operand 341 states and 452 transitions. Second operand 14 states. [2019-12-07 14:46:05,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:46:05,130 INFO L93 Difference]: Finished difference Result 2705 states and 3671 transitions. [2019-12-07 14:46:05,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2019-12-07 14:46:05,130 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 58 [2019-12-07 14:46:05,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:46:05,139 INFO L225 Difference]: With dead ends: 2705 [2019-12-07 14:46:05,140 INFO L226 Difference]: Without dead ends: 2371 [2019-12-07 14:46:05,144 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3983 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1791, Invalid=8715, Unknown=0, NotChecked=0, Total=10506 [2019-12-07 14:46:05,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2371 states. [2019-12-07 14:46:05,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2371 to 482. [2019-12-07 14:46:05,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2019-12-07 14:46:05,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 629 transitions. [2019-12-07 14:46:05,196 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 629 transitions. Word has length 58 [2019-12-07 14:46:05,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:46:05,197 INFO L462 AbstractCegarLoop]: Abstraction has 482 states and 629 transitions. [2019-12-07 14:46:05,197 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 14:46:05,197 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 629 transitions. [2019-12-07 14:46:05,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-07 14:46:05,198 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:46:05,198 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:46:05,799 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 mathsat -unsat_core_generation=3 [2019-12-07 14:46:05,800 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:46:05,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:46:05,800 INFO L82 PathProgramCache]: Analyzing trace with hash -501828257, now seen corresponding path program 1 times [2019-12-07 14:46:05,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:46:05,801 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2133511265] [2019-12-07 14:46:05,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-12-07 14:46:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:46:05,919 INFO L264 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:46:05,921 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:46:05,936 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-07 14:46:05,936 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:46:05,958 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-07 14:46:05,959 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2133511265] [2019-12-07 14:46:05,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:46:05,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 14:46:05,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158774687] [2019-12-07 14:46:05,960 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 14:46:05,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:46:05,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 14:46:05,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:46:05,960 INFO L87 Difference]: Start difference. First operand 482 states and 629 transitions. Second operand 8 states. [2019-12-07 14:46:06,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:46:06,012 INFO L93 Difference]: Finished difference Result 799 states and 1032 transitions. [2019-12-07 14:46:06,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:46:06,013 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-12-07 14:46:06,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:46:06,013 INFO L225 Difference]: With dead ends: 799 [2019-12-07 14:46:06,013 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:46:06,014 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 14:46:06,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:46:06,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:46:06,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:46:06,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:46:06,015 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2019-12-07 14:46:06,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:46:06,015 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:46:06,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 14:46:06,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:46:06,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:46:06,215 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-12-07 14:46:06,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:46:06,429 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 120 [2019-12-07 14:46:07,492 WARN L192 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 30 [2019-12-07 14:46:07,972 WARN L192 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 33 [2019-12-07 14:46:08,592 WARN L192 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 28 [2019-12-07 14:46:09,141 WARN L192 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 30 [2019-12-07 14:46:09,307 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 23 [2019-12-07 14:46:09,521 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 16 [2019-12-07 14:46:10,152 WARN L192 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 28 [2019-12-07 14:46:10,811 WARN L192 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 26 [2019-12-07 14:46:11,276 WARN L192 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 30 [2019-12-07 14:46:11,655 WARN L192 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 31 [2019-12-07 14:46:11,823 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 13 [2019-12-07 14:46:12,333 WARN L192 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 28 [2019-12-07 14:46:12,497 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 27 [2019-12-07 14:46:12,499 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2019-12-07 14:46:12,500 INFO L249 CegarLoopResult]: At program point L367(lines 348 370) the Hoare annotation is: true [2019-12-07 14:46:12,500 INFO L242 CegarLoopResult]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse3) (and .cse4 .cse0 .cse1 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse3))) [2019-12-07 14:46:12,500 INFO L242 CegarLoopResult]: At program point L70-1(lines 70 76) the Hoare annotation is: false [2019-12-07 14:46:12,500 INFO L242 CegarLoopResult]: At program point L70-2(lines 70 76) the Hoare annotation is: false [2019-12-07 14:46:12,500 INFO L242 CegarLoopResult]: At program point L929(lines 920 933) the Hoare annotation is: false [2019-12-07 14:46:12,500 INFO L242 CegarLoopResult]: At program point L929-1(lines 920 933) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2))) [2019-12-07 14:46:12,500 INFO L242 CegarLoopResult]: At program point L929-2(lines 920 933) the Hoare annotation is: false [2019-12-07 14:46:12,500 INFO L242 CegarLoopResult]: At program point L929-3(lines 920 933) the Hoare annotation is: false [2019-12-07 14:46:12,500 INFO L242 CegarLoopResult]: At program point L929-4(lines 920 933) the Hoare annotation is: false [2019-12-07 14:46:12,501 INFO L242 CegarLoopResult]: At program point L929-5(lines 920 933) the Hoare annotation is: false [2019-12-07 14:46:12,501 INFO L246 CegarLoopResult]: For program point L402(lines 402 408) no Hoare annotation was computed. [2019-12-07 14:46:12,501 INFO L242 CegarLoopResult]: At program point L402-1(lines 402 408) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse3) (and .cse4 .cse0 .cse5 .cse3))) [2019-12-07 14:46:12,501 INFO L242 CegarLoopResult]: At program point L469(lines 464 472) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 14:46:12,501 INFO L242 CegarLoopResult]: At program point L174(lines 169 177) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2) (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2))) [2019-12-07 14:46:12,501 INFO L242 CegarLoopResult]: At program point L174-1(lines 169 177) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:46:12,501 INFO L242 CegarLoopResult]: At program point L174-2(lines 169 177) the Hoare annotation is: false [2019-12-07 14:46:12,501 INFO L242 CegarLoopResult]: At program point L174-3(lines 169 177) the Hoare annotation is: false [2019-12-07 14:46:12,501 INFO L242 CegarLoopResult]: At program point L174-4(lines 169 177) the Hoare annotation is: false [2019-12-07 14:46:12,501 INFO L242 CegarLoopResult]: At program point L174-5(lines 169 177) the Hoare annotation is: false [2019-12-07 14:46:12,502 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2019-12-07 14:46:12,502 INFO L246 CegarLoopResult]: For program point L242(lines 242 246) no Hoare annotation was computed. [2019-12-07 14:46:12,502 INFO L246 CegarLoopResult]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2019-12-07 14:46:12,502 INFO L246 CegarLoopResult]: For program point L242-3(lines 242 246) no Hoare annotation was computed. [2019-12-07 14:46:12,502 INFO L246 CegarLoopResult]: For program point L242-5(lines 242 246) no Hoare annotation was computed. [2019-12-07 14:46:12,502 INFO L246 CegarLoopResult]: For program point L242-6(lines 242 246) no Hoare annotation was computed. [2019-12-07 14:46:12,502 INFO L246 CegarLoopResult]: For program point L242-8(lines 242 246) no Hoare annotation was computed. [2019-12-07 14:46:12,502 INFO L242 CegarLoopResult]: At program point L969(lines 63 69) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse0) (and .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse0) (and .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse0))) [2019-12-07 14:46:12,502 INFO L242 CegarLoopResult]: At program point L969-1(lines 63 69) the Hoare annotation is: false [2019-12-07 14:46:12,502 INFO L242 CegarLoopResult]: At program point L969-2(lines 63 69) the Hoare annotation is: false [2019-12-07 14:46:12,502 INFO L246 CegarLoopResult]: For program point L871(lines 871 875) no Hoare annotation was computed. [2019-12-07 14:46:12,502 INFO L242 CegarLoopResult]: At program point L939(lines 934 942) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:46:12,502 INFO L242 CegarLoopResult]: At program point L939-1(lines 934 942) the Hoare annotation is: false [2019-12-07 14:46:12,503 INFO L242 CegarLoopResult]: At program point L939-2(lines 934 942) the Hoare annotation is: false [2019-12-07 14:46:12,503 INFO L242 CegarLoopResult]: At program point L279-2(lines 279 293) the Hoare annotation is: false [2019-12-07 14:46:12,503 INFO L246 CegarLoopResult]: For program point L412(lines 412 425) no Hoare annotation was computed. [2019-12-07 14:46:12,503 INFO L246 CegarLoopResult]: For program point L280(line 280) no Hoare annotation was computed. [2019-12-07 14:46:12,503 INFO L242 CegarLoopResult]: At program point L248(lines 233 251) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp~3 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv4294967295 32)))) [2019-12-07 14:46:12,503 INFO L242 CegarLoopResult]: At program point L248-1(lines 233 251) the Hoare annotation is: false [2019-12-07 14:46:12,503 INFO L242 CegarLoopResult]: At program point L248-2(lines 233 251) the Hoare annotation is: false [2019-12-07 14:46:12,503 INFO L246 CegarLoopResult]: For program point L283(lines 283 287) no Hoare annotation was computed. [2019-12-07 14:46:12,503 INFO L246 CegarLoopResult]: For program point L283-1(lines 283 287) no Hoare annotation was computed. [2019-12-07 14:46:12,503 INFO L246 CegarLoopResult]: For program point L383(lines 382 429) no Hoare annotation was computed. [2019-12-07 14:46:12,503 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:46:12,503 INFO L246 CegarLoopResult]: For program point L384(lines 384 388) no Hoare annotation was computed. [2019-12-07 14:46:12,503 INFO L246 CegarLoopResult]: For program point L847(lines 847 851) no Hoare annotation was computed. [2019-12-07 14:46:12,504 INFO L246 CegarLoopResult]: For program point L847-3(lines 847 851) no Hoare annotation was computed. [2019-12-07 14:46:12,504 INFO L246 CegarLoopResult]: For program point L847-6(lines 847 851) no Hoare annotation was computed. [2019-12-07 14:46:12,504 INFO L246 CegarLoopResult]: For program point L418(lines 418 424) no Hoare annotation was computed. [2019-12-07 14:46:12,504 INFO L242 CegarLoopResult]: At program point L418-1(lines 418 424) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1) (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse1))) [2019-12-07 14:46:12,504 INFO L246 CegarLoopResult]: For program point L121(lines 121 138) no Hoare annotation was computed. [2019-12-07 14:46:12,504 INFO L246 CegarLoopResult]: For program point L121-1(lines 121 138) no Hoare annotation was computed. [2019-12-07 14:46:12,504 INFO L246 CegarLoopResult]: For program point L121-2(lines 121 138) no Hoare annotation was computed. [2019-12-07 14:46:12,504 INFO L246 CegarLoopResult]: For program point L980(lines 980 997) no Hoare annotation was computed. [2019-12-07 14:46:12,504 INFO L242 CegarLoopResult]: At program point L980-1(lines 1 1000) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse5 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse4) (and .cse7 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse3 .cse4 .cse5) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse7 .cse0 .cse6 .cse4))) [2019-12-07 14:46:12,504 INFO L246 CegarLoopResult]: For program point L980-2(lines 980 997) no Hoare annotation was computed. [2019-12-07 14:46:12,504 INFO L242 CegarLoopResult]: At program point L980-3(lines 1 1000) the Hoare annotation is: false [2019-12-07 14:46:12,504 INFO L246 CegarLoopResult]: For program point L980-4(lines 980 997) no Hoare annotation was computed. [2019-12-07 14:46:12,504 INFO L242 CegarLoopResult]: At program point L980-5(lines 1 1000) the Hoare annotation is: false [2019-12-07 14:46:12,505 INFO L246 CegarLoopResult]: For program point L948(line 948) no Hoare annotation was computed. [2019-12-07 14:46:12,505 INFO L246 CegarLoopResult]: For program point L948-1(line 948) no Hoare annotation was computed. [2019-12-07 14:46:12,505 INFO L246 CegarLoopResult]: For program point L948-2(line 948) no Hoare annotation was computed. [2019-12-07 14:46:12,505 INFO L242 CegarLoopResult]: At program point L916(lines 911 919) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse6 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse2) (and .cse4 .cse1 .cse6 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2))) [2019-12-07 14:46:12,505 INFO L242 CegarLoopResult]: At program point L916-1(lines 911 919) the Hoare annotation is: false [2019-12-07 14:46:12,505 INFO L242 CegarLoopResult]: At program point L916-2(lines 911 919) the Hoare annotation is: false [2019-12-07 14:46:12,505 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:46:12,505 INFO L246 CegarLoopResult]: For program point L256(lines 256 262) no Hoare annotation was computed. [2019-12-07 14:46:12,505 INFO L242 CegarLoopResult]: At program point L256-1(lines 256 262) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse1))) [2019-12-07 14:46:12,505 INFO L246 CegarLoopResult]: For program point L223(lines 223 227) no Hoare annotation was computed. [2019-12-07 14:46:12,505 INFO L246 CegarLoopResult]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2019-12-07 14:46:12,505 INFO L246 CegarLoopResult]: For program point L223-3(lines 223 227) no Hoare annotation was computed. [2019-12-07 14:46:12,506 INFO L246 CegarLoopResult]: For program point L223-5(lines 223 227) no Hoare annotation was computed. [2019-12-07 14:46:12,506 INFO L246 CegarLoopResult]: For program point L223-6(lines 223 227) no Hoare annotation was computed. [2019-12-07 14:46:12,506 INFO L246 CegarLoopResult]: For program point L223-8(lines 223 227) no Hoare annotation was computed. [2019-12-07 14:46:12,506 INFO L246 CegarLoopResult]: For program point L223-9(lines 223 227) no Hoare annotation was computed. [2019-12-07 14:46:12,506 INFO L246 CegarLoopResult]: For program point L223-11(lines 223 227) no Hoare annotation was computed. [2019-12-07 14:46:12,506 INFO L246 CegarLoopResult]: For program point L223-12(lines 223 227) no Hoare annotation was computed. [2019-12-07 14:46:12,506 INFO L246 CegarLoopResult]: For program point L223-14(lines 223 227) no Hoare annotation was computed. [2019-12-07 14:46:12,506 INFO L246 CegarLoopResult]: For program point L223-15(lines 223 227) no Hoare annotation was computed. [2019-12-07 14:46:12,506 INFO L246 CegarLoopResult]: For program point L223-17(lines 223 227) no Hoare annotation was computed. [2019-12-07 14:46:12,506 INFO L246 CegarLoopResult]: For program point L125(lines 125 133) no Hoare annotation was computed. [2019-12-07 14:46:12,506 INFO L246 CegarLoopResult]: For program point L125-1(lines 125 133) no Hoare annotation was computed. [2019-12-07 14:46:12,506 INFO L246 CegarLoopResult]: For program point L125-2(lines 125 133) no Hoare annotation was computed. [2019-12-07 14:46:12,506 INFO L246 CegarLoopResult]: For program point L984(lines 984 994) no Hoare annotation was computed. [2019-12-07 14:46:12,506 INFO L246 CegarLoopResult]: For program point L984-2(lines 984 994) no Hoare annotation was computed. [2019-12-07 14:46:12,506 INFO L246 CegarLoopResult]: For program point L984-4(lines 984 994) no Hoare annotation was computed. [2019-12-07 14:46:12,506 INFO L246 CegarLoopResult]: For program point L985(lines 985 991) no Hoare annotation was computed. [2019-12-07 14:46:12,507 INFO L246 CegarLoopResult]: For program point L985-2(lines 985 991) no Hoare annotation was computed. [2019-12-07 14:46:12,507 INFO L246 CegarLoopResult]: For program point L985-4(lines 985 991) no Hoare annotation was computed. [2019-12-07 14:46:12,507 INFO L246 CegarLoopResult]: For program point L358(lines 358 365) no Hoare annotation was computed. [2019-12-07 14:46:12,507 INFO L249 CegarLoopResult]: At program point L358-1(lines 358 365) the Hoare annotation is: true [2019-12-07 14:46:12,507 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:46:12,507 INFO L246 CegarLoopResult]: For program point L392(lines 392 398) no Hoare annotation was computed. [2019-12-07 14:46:12,507 INFO L242 CegarLoopResult]: At program point L392-1(lines 392 398) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse3) (and .cse4 .cse0 .cse5 .cse3))) [2019-12-07 14:46:12,507 INFO L246 CegarLoopResult]: For program point L95(lines 95 112) no Hoare annotation was computed. [2019-12-07 14:46:12,507 INFO L246 CegarLoopResult]: For program point L95-1(lines 95 112) no Hoare annotation was computed. [2019-12-07 14:46:12,507 INFO L246 CegarLoopResult]: For program point L95-2(lines 95 112) no Hoare annotation was computed. [2019-12-07 14:46:12,507 INFO L246 CegarLoopResult]: For program point L95-3(lines 95 112) no Hoare annotation was computed. [2019-12-07 14:46:12,507 INFO L246 CegarLoopResult]: For program point L95-4(lines 95 112) no Hoare annotation was computed. [2019-12-07 14:46:12,507 INFO L246 CegarLoopResult]: For program point L95-5(lines 95 112) no Hoare annotation was computed. [2019-12-07 14:46:12,507 INFO L242 CegarLoopResult]: At program point L63(lines 59 81) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse5 .cse3) (and .cse4 .cse0 .cse5 .cse3))) [2019-12-07 14:46:12,508 INFO L242 CegarLoopResult]: At program point L63-1(lines 59 81) the Hoare annotation is: false [2019-12-07 14:46:12,508 INFO L242 CegarLoopResult]: At program point L63-2(lines 59 81) the Hoare annotation is: false [2019-12-07 14:46:12,508 INFO L242 CegarLoopResult]: At program point L229(lines 214 232) the Hoare annotation is: false [2019-12-07 14:46:12,508 INFO L242 CegarLoopResult]: At program point L229-1(lines 214 232) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32))) .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) .cse2) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2))) [2019-12-07 14:46:12,508 INFO L242 CegarLoopResult]: At program point L229-2(lines 214 232) the Hoare annotation is: false [2019-12-07 14:46:12,508 INFO L242 CegarLoopResult]: At program point L229-3(lines 214 232) the Hoare annotation is: false [2019-12-07 14:46:12,508 INFO L242 CegarLoopResult]: At program point L229-4(lines 214 232) the Hoare annotation is: false [2019-12-07 14:46:12,508 INFO L242 CegarLoopResult]: At program point L229-5(lines 214 232) the Hoare annotation is: false [2019-12-07 14:46:12,508 INFO L242 CegarLoopResult]: At program point L461(lines 1 1000) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 14:46:12,508 INFO L242 CegarLoopResult]: At program point L329(lines 325 331) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 14:46:12,508 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:46:12,508 INFO L246 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2019-12-07 14:46:12,508 INFO L246 CegarLoopResult]: For program point L924-1(lines 924 930) no Hoare annotation was computed. [2019-12-07 14:46:12,508 INFO L246 CegarLoopResult]: For program point L924-2(lines 924 930) no Hoare annotation was computed. [2019-12-07 14:46:12,509 INFO L246 CegarLoopResult]: For program point L924-3(lines 924 930) no Hoare annotation was computed. [2019-12-07 14:46:12,509 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2019-12-07 14:46:12,509 INFO L246 CegarLoopResult]: For program point L924-4(lines 924 930) no Hoare annotation was computed. [2019-12-07 14:46:12,509 INFO L246 CegarLoopResult]: For program point L924-5(lines 924 930) no Hoare annotation was computed. [2019-12-07 14:46:12,509 INFO L246 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2019-12-07 14:46:12,509 INFO L246 CegarLoopResult]: For program point L99-1(lines 99 107) no Hoare annotation was computed. [2019-12-07 14:46:12,509 INFO L246 CegarLoopResult]: For program point L99-2(lines 99 107) no Hoare annotation was computed. [2019-12-07 14:46:12,509 INFO L246 CegarLoopResult]: For program point L99-3(lines 99 107) no Hoare annotation was computed. [2019-12-07 14:46:12,509 INFO L246 CegarLoopResult]: For program point L99-4(lines 99 107) no Hoare annotation was computed. [2019-12-07 14:46:12,509 INFO L246 CegarLoopResult]: For program point L99-5(lines 99 107) no Hoare annotation was computed. [2019-12-07 14:46:12,509 INFO L246 CegarLoopResult]: For program point L859(lines 859 863) no Hoare annotation was computed. [2019-12-07 14:46:12,509 INFO L242 CegarLoopResult]: At program point L430(lines 381 431) the Hoare annotation is: false [2019-12-07 14:46:12,509 INFO L242 CegarLoopResult]: At program point L959(lines 954 961) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 14:46:12,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:46:12 BoogieIcfgContainer [2019-12-07 14:46:12,533 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:46:12,533 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:46:12,533 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:46:12,534 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:46:12,534 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:45:58" (3/4) ... [2019-12-07 14:46:12,536 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:46:12,550 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 14:46:12,550 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 14:46:12,551 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 14:46:12,552 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 14:46:12,553 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 14:46:12,553 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:46:12,554 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:46:12,573 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == pumpRunning && 2bv32 == tmp) && 0bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 2bv32 == tmp) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 2bv32 == tmp) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 14:46:12,574 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 14:46:12,574 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 14:46:12,574 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) [2019-12-07 14:46:12,575 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 14:46:12,575 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 14:46:12,575 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 14:46:12,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 14:46:12,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32 [2019-12-07 14:46:12,577 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 14:46:12,577 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 14:46:12,577 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(systemActive == 0bv32) && tmp == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32) [2019-12-07 14:46:12,577 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) [2019-12-07 14:46:12,622 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_07bb27ad-8861-40f5-998f-cf17c22a645e/bin/utaipan/witness.graphml [2019-12-07 14:46:12,622 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:46:12,623 INFO L168 Benchmark]: Toolchain (without parser) took 15512.53 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 360.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -112.6 MB). Peak memory consumption was 248.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:46:12,623 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:46:12,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:46:12,623 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:46:12,624 INFO L168 Benchmark]: Boogie Preprocessor took 33.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:46:12,624 INFO L168 Benchmark]: RCFGBuilder took 614.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 92.8 MB). Peak memory consumption was 92.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:46:12,624 INFO L168 Benchmark]: TraceAbstraction took 14340.65 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 223.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -67.7 MB). Peak memory consumption was 431.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:46:12,624 INFO L168 Benchmark]: Witness Printer took 88.87 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:46:12,626 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 383.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 614.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 92.8 MB). Peak memory consumption was 92.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14340.65 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 223.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -67.7 MB). Peak memory consumption was 431.8 MB. Max. memory is 11.5 GB. * Witness Printer took 88.87 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 948]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 948]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 948]: 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: 934]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((0bv32 == pumpRunning && 2bv32 == tmp) && 0bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 2bv32 == tmp) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 2bv32 == tmp) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 0bv32) && tmp == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32) - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 128 locations, 3 error locations. Result: SAFE, OverallTime: 7.9s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, HoareTripleCheckerStatistics: 1391 SDtfs, 3045 SDslu, 4166 SDs, 0 SdLazy, 1012 SolverSat, 223 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1223 GetRequests, 1080 SyntacticMatches, 1 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4000 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=482occurred in iteration=10, 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, 11 MinimizatonAttempts, 2730 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 200 NumberOfFragments, 891 HoareAnnotationTreeSize, 51 FomulaSimplifications, 515080 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 51 FomulaSimplificationsInter, 331441 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 536 NumberOfCodeBlocks, 536 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1046 ConstructedInterpolants, 0 QuantifiedInterpolants, 106302 SizeOfPredicates, 31 NumberOfNonLiveVariables, 2731 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 290/314 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...