./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 864598d769cf301df696f6997eba405266387160 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 864598d769cf301df696f6997eba405266387160 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:42:00,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:42:00,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:42:00,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:42:00,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:42:00,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:42:00,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:42:00,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:42:00,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:42:00,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:42:00,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:42:00,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:42:00,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:42:01,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:42:01,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:42:01,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:42:01,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:42:01,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:42:01,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:42:01,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:42:01,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:42:01,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:42:01,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:42:01,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:42:01,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:42:01,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:42:01,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:42:01,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:42:01,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:42:01,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:42:01,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:42:01,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:42:01,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:42:01,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:42:01,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:42:01,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:42:01,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:42:01,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:42:01,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:42:01,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:42:01,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:42:01,057 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:42:01,094 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:42:01,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:42:01,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:42:01,096 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:42:01,097 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:42:01,097 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:42:01,097 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:42:01,097 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:42:01,098 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:42:01,098 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:42:01,099 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:42:01,099 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:42:01,100 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:42:01,100 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:42:01,100 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:42:01,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:42:01,101 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:42:01,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:42:01,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:42:01,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:42:01,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:42:01,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:42:01,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:42:01,103 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:42:01,103 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:42:01,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:42:01,104 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:42:01,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:42:01,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:42:01,104 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:42:01,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:42:01,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:42:01,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:42:01,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:42:01,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:42:01,106 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:42:01,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:42:01,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:42:01,107 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:42:01,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:42:01,107 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 864598d769cf301df696f6997eba405266387160 [2020-11-28 07:42:01,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:42:01,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:42:01,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:42:01,425 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:42:01,426 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:42:01,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2020-11-28 07:42:01,509 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/data/6643258fb/d77ca31794f84fa785808adc3110d92e/FLAG50fc3bdd9 [2020-11-28 07:42:02,207 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:42:02,207 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2020-11-28 07:42:02,221 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/data/6643258fb/d77ca31794f84fa785808adc3110d92e/FLAG50fc3bdd9 [2020-11-28 07:42:02,501 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/data/6643258fb/d77ca31794f84fa785808adc3110d92e [2020-11-28 07:42:02,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:42:02,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:42:02,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:02,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:42:02,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:42:02,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:02" (1/1) ... [2020-11-28 07:42:02,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@321876a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:02, skipping insertion in model container [2020-11-28 07:42:02,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:02" (1/1) ... [2020-11-28 07:42:02,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:42:02,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:42:02,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:02,972 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-28 07:42:02,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@626c21c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:02, skipping insertion in model container [2020-11-28 07:42:02,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:02,974 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:42:02,977 INFO L168 Benchmark]: Toolchain (without parser) took 470.27 ms. Allocated memory was 88.1 MB in the beginning and 140.5 MB in the end (delta: 52.4 MB). Free memory was 56.6 MB in the beginning and 114.3 MB in the end (delta: -57.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:02,978 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory is still 44.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:42:02,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.40 ms. Allocated memory was 88.1 MB in the beginning and 140.5 MB in the end (delta: 52.4 MB). Free memory was 56.3 MB in the beginning and 114.3 MB in the end (delta: -57.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:02,983 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory is still 44.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 466.40 ms. Allocated memory was 88.1 MB in the beginning and 140.5 MB in the end (delta: 52.4 MB). Free memory was 56.3 MB in the beginning and 114.3 MB in the end (delta: -57.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 637]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:42:05,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:42:05,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:42:05,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:42:05,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:42:05,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:42:05,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:42:05,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:42:05,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:42:05,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:42:05,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:42:05,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:42:05,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:42:05,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:42:05,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:42:05,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:42:05,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:42:05,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:42:05,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:42:05,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:42:05,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:42:05,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:42:05,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:42:05,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:42:05,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:42:05,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:42:05,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:42:05,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:42:05,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:42:05,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:42:05,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:42:05,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:42:05,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:42:05,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:42:05,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:42:05,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:42:05,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:42:05,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:42:05,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:42:05,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:42:05,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:42:05,390 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:42:05,431 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:42:05,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:42:05,434 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:42:05,434 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:42:05,434 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:42:05,435 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:42:05,435 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:42:05,435 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:42:05,436 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:42:05,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:42:05,438 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:42:05,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:42:05,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:42:05,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:42:05,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:42:05,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:42:05,440 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:42:05,440 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:42:05,440 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:42:05,440 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:42:05,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:42:05,441 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:42:05,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:42:05,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:42:05,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:42:05,442 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:42:05,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:42:05,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:42:05,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:42:05,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:42:05,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:42:05,443 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:42:05,443 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:42:05,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:42:05,444 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:42:05,444 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:42:05,444 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 864598d769cf301df696f6997eba405266387160 [2020-11-28 07:42:05,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:42:05,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:42:05,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:42:05,913 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:42:05,913 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:42:05,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2020-11-28 07:42:06,006 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/data/a20d4bc4c/86ea5da99da140919d17e9d9963fe9c4/FLAGddd2abfb5 [2020-11-28 07:42:06,549 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:42:06,550 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2020-11-28 07:42:06,570 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/data/a20d4bc4c/86ea5da99da140919d17e9d9963fe9c4/FLAGddd2abfb5 [2020-11-28 07:42:06,869 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/data/a20d4bc4c/86ea5da99da140919d17e9d9963fe9c4 [2020-11-28 07:42:06,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:42:06,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:42:06,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:06,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:42:06,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:42:06,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:06" (1/1) ... [2020-11-28 07:42:06,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c2bca0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:06, skipping insertion in model container [2020-11-28 07:42:06,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:06" (1/1) ... [2020-11-28 07:42:06,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:42:06,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:42:07,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:07,416 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-28 07:42:07,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:42:07,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:07,509 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:42:07,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:07,657 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:42:07,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07 WrapperNode [2020-11-28 07:42:07,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:07,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:42:07,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:42:07,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:42:07,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (1/1) ... [2020-11-28 07:42:07,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (1/1) ... [2020-11-28 07:42:07,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:42:07,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:42:07,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:42:07,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:42:07,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (1/1) ... [2020-11-28 07:42:07,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (1/1) ... [2020-11-28 07:42:07,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (1/1) ... [2020-11-28 07:42:07,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (1/1) ... [2020-11-28 07:42:07,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (1/1) ... [2020-11-28 07:42:07,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (1/1) ... [2020-11-28 07:42:07,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (1/1) ... [2020-11-28 07:42:07,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:42:07,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:42:07,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:42:07,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:42:07,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:42:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:42:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:42:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:42:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:42:10,328 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:42:10,329 INFO L298 CfgBuilder]: Removed 166 assume(true) statements. [2020-11-28 07:42:10,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:10 BoogieIcfgContainer [2020-11-28 07:42:10,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:42:10,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:42:10,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:42:10,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:42:10,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:42:06" (1/3) ... [2020-11-28 07:42:10,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b42caf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:42:10, skipping insertion in model container [2020-11-28 07:42:10,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07" (2/3) ... [2020-11-28 07:42:10,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b42caf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:42:10, skipping insertion in model container [2020-11-28 07:42:10,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:10" (3/3) ... [2020-11-28 07:42:10,342 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product51.cil.c [2020-11-28 07:42:10,357 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:42:10,361 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 07:42:10,372 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 07:42:10,406 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:42:10,407 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:42:10,407 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:42:10,407 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:42:10,407 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:42:10,407 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:42:10,408 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:42:10,408 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:42:10,425 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2020-11-28 07:42:10,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 07:42:10,431 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:10,431 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:10,432 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:10,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:10,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1866399249, now seen corresponding path program 1 times [2020-11-28 07:42:10,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:10,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [222326149] [2020-11-28 07:42:10,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:10,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 07:42:10,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:10,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:10,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:10,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [222326149] [2020-11-28 07:42:10,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:10,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:42:10,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274842667] [2020-11-28 07:42:10,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:42:10,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:10,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:42:10,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:42:10,741 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 2 states. [2020-11-28 07:42:10,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:10,772 INFO L93 Difference]: Finished difference Result 235 states and 356 transitions. [2020-11-28 07:42:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:42:10,773 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 07:42:10,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:10,784 INFO L225 Difference]: With dead ends: 235 [2020-11-28 07:42:10,784 INFO L226 Difference]: Without dead ends: 115 [2020-11-28 07:42:10,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:42:10,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-11-28 07:42:10,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-11-28 07:42:10,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-11-28 07:42:10,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2020-11-28 07:42:10,832 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 16 [2020-11-28 07:42:10,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:10,833 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2020-11-28 07:42:10,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:42:10,833 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2020-11-28 07:42:10,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 07:42:10,835 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:10,835 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:11,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:42:11,058 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:11,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:11,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1381811150, now seen corresponding path program 1 times [2020-11-28 07:42:11,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:11,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225202762] [2020-11-28 07:42:11,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:11,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:42:11,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:11,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:11,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:11,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:11,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225202762] [2020-11-28 07:42:11,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:11,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-28 07:42:11,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965882812] [2020-11-28 07:42:11,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:42:11,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:11,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:42:11,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:42:11,304 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand 4 states. [2020-11-28 07:42:11,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:11,333 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2020-11-28 07:42:11,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:42:11,335 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-28 07:42:11,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:11,339 INFO L225 Difference]: With dead ends: 115 [2020-11-28 07:42:11,339 INFO L226 Difference]: Without dead ends: 49 [2020-11-28 07:42:11,341 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:42:11,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-28 07:42:11,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-28 07:42:11,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-28 07:42:11,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-11-28 07:42:11,358 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 17 [2020-11-28 07:42:11,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:11,363 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-11-28 07:42:11,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:42:11,364 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-11-28 07:42:11,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 07:42:11,366 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:11,366 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:11,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 07:42:11,568 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:11,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:11,569 INFO L82 PathProgramCache]: Analyzing trace with hash -426243093, now seen corresponding path program 1 times [2020-11-28 07:42:11,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:11,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [788374667] [2020-11-28 07:42:11,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:11,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:42:11,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:11,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:11,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:11,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:11,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [788374667] [2020-11-28 07:42:11,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:11,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-28 07:42:11,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910359489] [2020-11-28 07:42:11,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:42:11,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:11,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:42:11,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:42:11,835 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 4 states. [2020-11-28 07:42:11,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:11,880 INFO L93 Difference]: Finished difference Result 158 states and 235 transitions. [2020-11-28 07:42:11,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 07:42:11,882 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-28 07:42:11,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:11,883 INFO L225 Difference]: With dead ends: 158 [2020-11-28 07:42:11,883 INFO L226 Difference]: Without dead ends: 115 [2020-11-28 07:42:11,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:42:11,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-11-28 07:42:11,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 68. [2020-11-28 07:42:11,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-11-28 07:42:11,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 100 transitions. [2020-11-28 07:42:11,896 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 100 transitions. Word has length 22 [2020-11-28 07:42:11,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:11,897 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 100 transitions. [2020-11-28 07:42:11,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:42:11,897 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2020-11-28 07:42:11,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 07:42:11,898 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:11,899 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:12,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 07:42:12,122 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:12,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:12,122 INFO L82 PathProgramCache]: Analyzing trace with hash 844046893, now seen corresponding path program 1 times [2020-11-28 07:42:12,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:12,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [501483676] [2020-11-28 07:42:12,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:12,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:42:12,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:12,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:12,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:12,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:12,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [501483676] [2020-11-28 07:42:12,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:12,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-28 07:42:12,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956149720] [2020-11-28 07:42:12,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:42:12,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:12,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:42:12,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:42:12,336 INFO L87 Difference]: Start difference. First operand 68 states and 100 transitions. Second operand 3 states. [2020-11-28 07:42:12,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:12,426 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-11-28 07:42:12,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:42:12,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 07:42:12,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:12,428 INFO L225 Difference]: With dead ends: 151 [2020-11-28 07:42:12,428 INFO L226 Difference]: Without dead ends: 89 [2020-11-28 07:42:12,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:42:12,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-11-28 07:42:12,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2020-11-28 07:42:12,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-11-28 07:42:12,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 124 transitions. [2020-11-28 07:42:12,451 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 124 transitions. Word has length 24 [2020-11-28 07:42:12,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:12,451 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 124 transitions. [2020-11-28 07:42:12,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:42:12,452 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 124 transitions. [2020-11-28 07:42:12,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 07:42:12,454 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:12,454 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:12,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-28 07:42:12,678 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:12,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:12,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1604149312, now seen corresponding path program 1 times [2020-11-28 07:42:12,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:12,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [753281807] [2020-11-28 07:42:12,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:12,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:42:12,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:12,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:12,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:12,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:12,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [753281807] [2020-11-28 07:42:12,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:12,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-28 07:42:12,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113537479] [2020-11-28 07:42:12,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 07:42:12,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:12,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 07:42:12,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-28 07:42:12,958 INFO L87 Difference]: Start difference. First operand 87 states and 124 transitions. Second operand 8 states. [2020-11-28 07:42:13,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:13,395 INFO L93 Difference]: Finished difference Result 626 states and 919 transitions. [2020-11-28 07:42:13,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-28 07:42:13,396 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-11-28 07:42:13,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:13,399 INFO L225 Difference]: With dead ends: 626 [2020-11-28 07:42:13,399 INFO L226 Difference]: Without dead ends: 545 [2020-11-28 07:42:13,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-28 07:42:13,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2020-11-28 07:42:13,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 216. [2020-11-28 07:42:13,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-11-28 07:42:13,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 302 transitions. [2020-11-28 07:42:13,480 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 302 transitions. Word has length 25 [2020-11-28 07:42:13,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:13,481 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 302 transitions. [2020-11-28 07:42:13,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 07:42:13,482 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 302 transitions. [2020-11-28 07:42:13,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 07:42:13,489 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:13,489 INFO L422 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] [2020-11-28 07:42:13,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-28 07:42:13,713 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:13,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:13,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1982314079, now seen corresponding path program 1 times [2020-11-28 07:42:13,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:13,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1669556204] [2020-11-28 07:42:13,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:13,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 07:42:13,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:13,943 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:13,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:13,977 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:13,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1669556204] [2020-11-28 07:42:13,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [943886188] [2020-11-28 07:42:13,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-28 07:42:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:14,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:42:14,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:14,269 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 07:42:14,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:14,275 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 07:42:14,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-28 07:42:14,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2020-11-28 07:42:14,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840108864] [2020-11-28 07:42:14,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:42:14,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:14,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:42:14,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-28 07:42:14,282 INFO L87 Difference]: Start difference. First operand 216 states and 302 transitions. Second operand 5 states. [2020-11-28 07:42:14,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:14,536 INFO L93 Difference]: Finished difference Result 510 states and 725 transitions. [2020-11-28 07:42:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 07:42:14,536 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-11-28 07:42:14,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:14,539 INFO L225 Difference]: With dead ends: 510 [2020-11-28 07:42:14,539 INFO L226 Difference]: Without dead ends: 508 [2020-11-28 07:42:14,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-11-28 07:42:14,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2020-11-28 07:42:14,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 216. [2020-11-28 07:42:14,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-11-28 07:42:14,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 300 transitions. [2020-11-28 07:42:14,577 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 300 transitions. Word has length 40 [2020-11-28 07:42:14,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:14,578 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 300 transitions. [2020-11-28 07:42:14,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:42:14,578 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 300 transitions. [2020-11-28 07:42:14,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 07:42:14,581 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:14,582 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:14,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-28 07:42:14,996 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:14,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:14,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1286482770, now seen corresponding path program 1 times [2020-11-28 07:42:14,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:14,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879582320] [2020-11-28 07:42:14,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/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 [2020-11-28 07:42:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:15,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 07:42:15,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:15,234 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:15,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:15,274 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:15,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1879582320] [2020-11-28 07:42:15,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [837293716] [2020-11-28 07:42:15,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-28 07:42:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:15,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:42:15,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:15,510 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:15,511 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:15,516 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:15,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-28 07:42:15,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3, 3] total 7 [2020-11-28 07:42:15,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346830594] [2020-11-28 07:42:15,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:42:15,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:15,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:42:15,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-28 07:42:15,518 INFO L87 Difference]: Start difference. First operand 216 states and 300 transitions. Second operand 3 states. [2020-11-28 07:42:17,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:17,073 INFO L93 Difference]: Finished difference Result 432 states and 600 transitions. [2020-11-28 07:42:17,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:42:17,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-11-28 07:42:17,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:17,076 INFO L225 Difference]: With dead ends: 432 [2020-11-28 07:42:17,077 INFO L226 Difference]: Without dead ends: 158 [2020-11-28 07:42:17,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-28 07:42:17,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-11-28 07:42:17,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2020-11-28 07:42:17,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-11-28 07:42:17,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 213 transitions. [2020-11-28 07:42:17,099 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 213 transitions. Word has length 48 [2020-11-28 07:42:17,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:17,100 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 213 transitions. [2020-11-28 07:42:17,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:42:17,100 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 213 transitions. [2020-11-28 07:42:17,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 07:42:17,101 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:17,101 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:17,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-28 07:42:17,517 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:17,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:17,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1024245214, now seen corresponding path program 1 times [2020-11-28 07:42:17,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:17,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493634583] [2020-11-28 07:42:17,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/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 [2020-11-28 07:42:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:17,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:42:17,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:17,763 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 07:42:17,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:17,772 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 07:42:17,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [493634583] [2020-11-28 07:42:17,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:17,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-28 07:42:17,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853486474] [2020-11-28 07:42:17,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:42:17,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:17,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:42:17,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 07:42:17,774 INFO L87 Difference]: Start difference. First operand 158 states and 213 transitions. Second operand 5 states. [2020-11-28 07:42:17,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:17,946 INFO L93 Difference]: Finished difference Result 429 states and 572 transitions. [2020-11-28 07:42:17,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 07:42:17,947 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-11-28 07:42:17,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:17,949 INFO L225 Difference]: With dead ends: 429 [2020-11-28 07:42:17,949 INFO L226 Difference]: Without dead ends: 277 [2020-11-28 07:42:17,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 07:42:17,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-11-28 07:42:17,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 173. [2020-11-28 07:42:17,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-11-28 07:42:17,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 228 transitions. [2020-11-28 07:42:17,973 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 228 transitions. Word has length 51 [2020-11-28 07:42:17,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:17,974 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 228 transitions. [2020-11-28 07:42:17,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:42:17,974 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 228 transitions. [2020-11-28 07:42:17,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 07:42:17,976 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:17,976 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:18,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-11-28 07:42:18,191 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:18,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:18,192 INFO L82 PathProgramCache]: Analyzing trace with hash -322645340, now seen corresponding path program 1 times [2020-11-28 07:42:18,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:18,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [844597752] [2020-11-28 07:42:18,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:18,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 07:42:18,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:18,410 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 07:42:18,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:18,434 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 07:42:18,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [844597752] [2020-11-28 07:42:18,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:18,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-28 07:42:18,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973539085] [2020-11-28 07:42:18,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 07:42:18,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:18,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 07:42:18,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 07:42:18,436 INFO L87 Difference]: Start difference. First operand 173 states and 228 transitions. Second operand 6 states. [2020-11-28 07:42:18,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:18,549 INFO L93 Difference]: Finished difference Result 405 states and 531 transitions. [2020-11-28 07:42:18,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:42:18,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2020-11-28 07:42:18,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:18,552 INFO L225 Difference]: With dead ends: 405 [2020-11-28 07:42:18,552 INFO L226 Difference]: Without dead ends: 238 [2020-11-28 07:42:18,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 07:42:18,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-11-28 07:42:18,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 152. [2020-11-28 07:42:18,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-11-28 07:42:18,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 196 transitions. [2020-11-28 07:42:18,574 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 196 transitions. Word has length 51 [2020-11-28 07:42:18,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:18,576 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 196 transitions. [2020-11-28 07:42:18,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 07:42:18,576 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 196 transitions. [2020-11-28 07:42:18,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-28 07:42:18,577 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:18,577 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:18,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-11-28 07:42:18,794 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:18,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:18,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1172394648, now seen corresponding path program 1 times [2020-11-28 07:42:18,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:18,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [858181876] [2020-11-28 07:42:18,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:19,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 07:42:19,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:19,136 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 07:42:19,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:19,149 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-28 07:42:19,149 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-28 07:42:19,183 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 07:42:19,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [858181876] [2020-11-28 07:42:19,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [105082227] [2020-11-28 07:42:19,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-28 07:42:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:19,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-28 07:42:19,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:19,476 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 07:42:19,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 07:42:19,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437204925] [2020-11-28 07:42:19,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 07:42:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:19,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 07:42:19,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:19,694 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 07:42:19,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:19,710 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 07:42:19,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-11-28 07:42:19,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5, 5] total 12 [2020-11-28 07:42:19,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023386210] [2020-11-28 07:42:19,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-28 07:42:19,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:19,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-28 07:42:19,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-11-28 07:42:19,718 INFO L87 Difference]: Start difference. First operand 152 states and 196 transitions. Second operand 13 states. [2020-11-28 07:42:23,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:23,119 INFO L93 Difference]: Finished difference Result 1832 states and 2415 transitions. [2020-11-28 07:42:23,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-11-28 07:42:23,120 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 52 [2020-11-28 07:42:23,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:23,129 INFO L225 Difference]: With dead ends: 1832 [2020-11-28 07:42:23,130 INFO L226 Difference]: Without dead ends: 1710 [2020-11-28 07:42:23,133 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 291 SyntacticMatches, 5 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2092 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1053, Invalid=4647, Unknown=0, NotChecked=0, Total=5700 [2020-11-28 07:42:23,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2020-11-28 07:42:23,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 274. [2020-11-28 07:42:23,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-11-28 07:42:23,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 358 transitions. [2020-11-28 07:42:23,190 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 358 transitions. Word has length 52 [2020-11-28 07:42:23,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:23,190 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 358 transitions. [2020-11-28 07:42:23,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-28 07:42:23,190 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 358 transitions. [2020-11-28 07:42:23,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-11-28 07:42:23,191 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:23,191 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:23,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3,14 cvc4 --incremental --print-success --lang smt --rewrite-divk,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 07:42:23,805 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:23,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:23,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1261233046, now seen corresponding path program 1 times [2020-11-28 07:42:23,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:23,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446696496] [2020-11-28 07:42:23,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:24,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:42:24,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:24,038 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 07:42:24,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:24,087 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 07:42:24,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [446696496] [2020-11-28 07:42:24,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:24,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-28 07:42:24,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425379142] [2020-11-28 07:42:24,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 07:42:24,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:24,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 07:42:24,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-28 07:42:24,091 INFO L87 Difference]: Start difference. First operand 274 states and 358 transitions. Second operand 8 states. [2020-11-28 07:42:24,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:24,184 INFO L93 Difference]: Finished difference Result 441 states and 565 transitions. [2020-11-28 07:42:24,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:42:24,185 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 73 [2020-11-28 07:42:24,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:24,185 INFO L225 Difference]: With dead ends: 441 [2020-11-28 07:42:24,186 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:42:24,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-28 07:42:24,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:42:24,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:42:24,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:42:24,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:42:24,187 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2020-11-28 07:42:24,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:24,187 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:42:24,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 07:42:24,187 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:42:24,187 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:42:24,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2020-11-28 07:42:24,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:42:24,924 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 133 [2020-11-28 07:42:25,389 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 133 [2020-11-28 07:42:25,684 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 133 [2020-11-28 07:42:25,848 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 130 [2020-11-28 07:42:26,024 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 133 [2020-11-28 07:42:27,277 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 132 DAG size of output: 38 [2020-11-28 07:42:27,695 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 31 [2020-11-28 07:42:27,872 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 29 [2020-11-28 07:42:28,397 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 28 [2020-11-28 07:42:28,749 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 24 [2020-11-28 07:42:29,797 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 132 DAG size of output: 38 [2020-11-28 07:42:30,288 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 31 [2020-11-28 07:42:31,271 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 38 [2020-11-28 07:42:32,264 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 29 [2020-11-28 07:42:32,370 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 20 [2020-11-28 07:42:33,401 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 131 DAG size of output: 37 [2020-11-28 07:42:33,411 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:42:33,411 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 07:42:33,411 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 07:42:33,411 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 07:42:33,412 INFO L270 CegarLoopResult]: At program point L268(lines 259 272) the Hoare annotation is: false [2020-11-28 07:42:33,412 INFO L270 CegarLoopResult]: At program point L268-1(lines 259 272) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2))) [2020-11-28 07:42:33,412 INFO L270 CegarLoopResult]: At program point L268-2(lines 259 272) the Hoare annotation is: false [2020-11-28 07:42:33,412 INFO L270 CegarLoopResult]: At program point L268-3(lines 259 272) the Hoare annotation is: false [2020-11-28 07:42:33,412 INFO L270 CegarLoopResult]: At program point L268-4(lines 259 272) the Hoare annotation is: false [2020-11-28 07:42:33,412 INFO L270 CegarLoopResult]: At program point L268-5(lines 259 272) the Hoare annotation is: false [2020-11-28 07:42:33,412 INFO L270 CegarLoopResult]: At program point L335(lines 335 341) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32))) .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse2 .cse3 (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~2)) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32)))) (and .cse0 .cse3 .cse4)))) [2020-11-28 07:42:33,413 INFO L270 CegarLoopResult]: At program point L335-1(lines 335 341) the Hoare annotation is: false [2020-11-28 07:42:33,413 INFO L270 CegarLoopResult]: At program point L335-2(lines 335 341) the Hoare annotation is: false [2020-11-28 07:42:33,413 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:33,413 INFO L270 CegarLoopResult]: At program point L305(lines 1 973) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:33,413 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-11-28 07:42:33,413 INFO L274 CegarLoopResult]: For program point L604(line 604) no Hoare annotation was computed. [2020-11-28 07:42:33,413 INFO L274 CegarLoopResult]: For program point L604-1(line 604) no Hoare annotation was computed. [2020-11-28 07:42:33,413 INFO L274 CegarLoopResult]: For program point L604-2(line 604) no Hoare annotation was computed. [2020-11-28 07:42:33,413 INFO L270 CegarLoopResult]: At program point L439(lines 434 442) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= ~systemActive~0 (_ bv0 32))) [2020-11-28 07:42:33,413 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:42:33,414 INFO L270 CegarLoopResult]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2020-11-28 07:42:33,415 INFO L270 CegarLoopResult]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2020-11-28 07:42:33,416 INFO L274 CegarLoopResult]: For program point L573(lines 573 586) no Hoare annotation was computed. [2020-11-28 07:42:33,416 INFO L274 CegarLoopResult]: For program point L507(lines 507 511) no Hoare annotation was computed. [2020-11-28 07:42:33,416 INFO L274 CegarLoopResult]: For program point L507-2(lines 507 511) no Hoare annotation was computed. [2020-11-28 07:42:33,416 INFO L274 CegarLoopResult]: For program point L507-3(lines 507 511) no Hoare annotation was computed. [2020-11-28 07:42:33,417 INFO L274 CegarLoopResult]: For program point L507-5(lines 507 511) no Hoare annotation was computed. [2020-11-28 07:42:33,417 INFO L274 CegarLoopResult]: For program point L507-6(lines 507 511) no Hoare annotation was computed. [2020-11-28 07:42:33,419 INFO L274 CegarLoopResult]: For program point L507-8(lines 507 511) no Hoare annotation was computed. [2020-11-28 07:42:33,419 INFO L274 CegarLoopResult]: For program point L210(lines 210 214) no Hoare annotation was computed. [2020-11-28 07:42:33,419 INFO L270 CegarLoopResult]: At program point L278(lines 273 281) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) [2020-11-28 07:42:33,420 INFO L270 CegarLoopResult]: At program point L278-1(lines 273 281) the Hoare annotation is: false [2020-11-28 07:42:33,420 INFO L270 CegarLoopResult]: At program point L278-2(lines 273 281) the Hoare annotation is: false [2020-11-28 07:42:33,420 INFO L274 CegarLoopResult]: For program point L544(lines 543 590) no Hoare annotation was computed. [2020-11-28 07:42:33,420 INFO L270 CegarLoopResult]: At program point L313(lines 308 316) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:33,421 INFO L274 CegarLoopResult]: For program point L545(lines 545 549) no Hoare annotation was computed. [2020-11-28 07:42:33,421 INFO L274 CegarLoopResult]: For program point L579(lines 579 585) no Hoare annotation was computed. [2020-11-28 07:42:33,421 INFO L270 CegarLoopResult]: At program point L579-1(lines 328 334) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse3 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse3 (exists ((v_~waterLevel~0_43 (_ BitVec 32))) (and (= (_ bv1 32) v_~waterLevel~0_43) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) v_~waterLevel~0_43))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32)))) (and .cse0 .cse1 .cse3 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse2 .cse4)))) [2020-11-28 07:42:33,422 INFO L270 CegarLoopResult]: At program point L513(lines 498 516) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:33,422 INFO L270 CegarLoopResult]: At program point L513-1(lines 498 516) the Hoare annotation is: false [2020-11-28 07:42:33,422 INFO L270 CegarLoopResult]: At program point L513-2(lines 498 516) the Hoare annotation is: false [2020-11-28 07:42:33,422 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:42:33,422 INFO L274 CegarLoopResult]: For program point L186(lines 186 190) no Hoare annotation was computed. [2020-11-28 07:42:33,423 INFO L274 CegarLoopResult]: For program point L186-3(lines 186 190) no Hoare annotation was computed. [2020-11-28 07:42:33,423 INFO L274 CegarLoopResult]: For program point L186-6(lines 186 190) no Hoare annotation was computed. [2020-11-28 07:42:33,423 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-28 07:42:33,423 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-28 07:42:33,424 INFO L274 CegarLoopResult]: For program point L386(lines 386 403) no Hoare annotation was computed. [2020-11-28 07:42:33,424 INFO L274 CegarLoopResult]: For program point L386-1(lines 386 403) no Hoare annotation was computed. [2020-11-28 07:42:33,424 INFO L274 CegarLoopResult]: For program point L386-2(lines 386 403) no Hoare annotation was computed. [2020-11-28 07:42:33,424 INFO L270 CegarLoopResult]: At program point L255(lines 250 258) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse3)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 (exists ((v_~waterLevel~0_43 (_ BitVec 32))) (and (= (_ bv1 32) v_~waterLevel~0_43) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) v_~waterLevel~0_43)))) (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse2 .cse3)))) [2020-11-28 07:42:33,425 INFO L270 CegarLoopResult]: At program point L255-1(lines 250 258) the Hoare annotation is: false [2020-11-28 07:42:33,425 INFO L270 CegarLoopResult]: At program point L255-2(lines 250 258) the Hoare annotation is: false [2020-11-28 07:42:33,425 INFO L274 CegarLoopResult]: For program point L553(lines 553 559) no Hoare annotation was computed. [2020-11-28 07:42:33,425 INFO L270 CegarLoopResult]: At program point L553-1(lines 553 559) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse3 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse3 (exists ((v_~waterLevel~0_43 (_ BitVec 32))) (and (= (_ bv1 32) v_~waterLevel~0_43) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) v_~waterLevel~0_43))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32)))) (and .cse0 .cse1 .cse3 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse2 .cse4)))) [2020-11-28 07:42:33,425 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:42:33,426 INFO L274 CegarLoopResult]: For program point L157(lines 157 170) no Hoare annotation was computed. [2020-11-28 07:42:33,426 INFO L270 CegarLoopResult]: At program point L157-1(lines 1 973) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not .cse3))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and .cse0 .cse2 .cse3) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 (exists ((v_~waterLevel~0_43 (_ BitVec 32))) (and (= (_ bv1 32) v_~waterLevel~0_43) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) v_~waterLevel~0_43))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))))))) [2020-11-28 07:42:33,426 INFO L274 CegarLoopResult]: For program point L157-2(lines 157 170) no Hoare annotation was computed. [2020-11-28 07:42:33,426 INFO L270 CegarLoopResult]: At program point L157-3(lines 1 973) the Hoare annotation is: false [2020-11-28 07:42:33,426 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-28 07:42:33,426 INFO L274 CegarLoopResult]: For program point L58-1(lines 328 334) no Hoare annotation was computed. [2020-11-28 07:42:33,426 INFO L274 CegarLoopResult]: For program point L157-4(lines 157 170) no Hoare annotation was computed. [2020-11-28 07:42:33,427 INFO L270 CegarLoopResult]: At program point L157-5(lines 1 973) the Hoare annotation is: false [2020-11-28 07:42:33,427 INFO L274 CegarLoopResult]: For program point L521(lines 521 527) no Hoare annotation was computed. [2020-11-28 07:42:33,427 INFO L270 CegarLoopResult]: At program point L521-1(lines 521 527) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:33,427 INFO L274 CegarLoopResult]: For program point L488(lines 488 492) no Hoare annotation was computed. [2020-11-28 07:42:33,427 INFO L274 CegarLoopResult]: For program point L488-2(lines 488 492) no Hoare annotation was computed. [2020-11-28 07:42:33,427 INFO L274 CegarLoopResult]: For program point L488-3(lines 488 492) no Hoare annotation was computed. [2020-11-28 07:42:33,427 INFO L274 CegarLoopResult]: For program point L488-5(lines 488 492) no Hoare annotation was computed. [2020-11-28 07:42:33,428 INFO L274 CegarLoopResult]: For program point L488-6(lines 488 492) no Hoare annotation was computed. [2020-11-28 07:42:33,428 INFO L274 CegarLoopResult]: For program point L488-8(lines 488 492) no Hoare annotation was computed. [2020-11-28 07:42:33,428 INFO L274 CegarLoopResult]: For program point L488-9(lines 488 492) no Hoare annotation was computed. [2020-11-28 07:42:33,428 INFO L274 CegarLoopResult]: For program point L488-11(lines 488 492) no Hoare annotation was computed. [2020-11-28 07:42:33,428 INFO L274 CegarLoopResult]: For program point L488-12(lines 488 492) no Hoare annotation was computed. [2020-11-28 07:42:33,428 INFO L274 CegarLoopResult]: For program point L488-14(lines 488 492) no Hoare annotation was computed. [2020-11-28 07:42:33,428 INFO L274 CegarLoopResult]: For program point L488-15(lines 488 492) no Hoare annotation was computed. [2020-11-28 07:42:33,429 INFO L274 CegarLoopResult]: For program point L488-17(lines 488 492) no Hoare annotation was computed. [2020-11-28 07:42:33,429 INFO L274 CegarLoopResult]: For program point L390(lines 390 398) no Hoare annotation was computed. [2020-11-28 07:42:33,429 INFO L274 CegarLoopResult]: For program point L390-1(lines 390 398) no Hoare annotation was computed. [2020-11-28 07:42:33,429 INFO L274 CegarLoopResult]: For program point L390-2(lines 390 398) no Hoare annotation was computed. [2020-11-28 07:42:33,429 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:42:33,429 INFO L274 CegarLoopResult]: For program point L161(lines 161 167) no Hoare annotation was computed. [2020-11-28 07:42:33,429 INFO L274 CegarLoopResult]: For program point L161-2(lines 161 167) no Hoare annotation was computed. [2020-11-28 07:42:33,430 INFO L274 CegarLoopResult]: For program point L161-4(lines 161 167) no Hoare annotation was computed. [2020-11-28 07:42:33,430 INFO L270 CegarLoopResult]: At program point L591(lines 542 592) the Hoare annotation is: false [2020-11-28 07:42:33,430 INFO L274 CegarLoopResult]: For program point L360(lines 360 377) no Hoare annotation was computed. [2020-11-28 07:42:33,430 INFO L274 CegarLoopResult]: For program point L360-1(lines 360 377) no Hoare annotation was computed. [2020-11-28 07:42:33,430 INFO L274 CegarLoopResult]: For program point L360-2(lines 360 377) no Hoare annotation was computed. [2020-11-28 07:42:33,430 INFO L274 CegarLoopResult]: For program point L360-3(lines 360 377) no Hoare annotation was computed. [2020-11-28 07:42:33,430 INFO L274 CegarLoopResult]: For program point L360-4(lines 360 377) no Hoare annotation was computed. [2020-11-28 07:42:33,431 INFO L274 CegarLoopResult]: For program point L360-5(lines 360 377) no Hoare annotation was computed. [2020-11-28 07:42:33,431 INFO L270 CegarLoopResult]: At program point L328(lines 327 346) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32)))) (and .cse0 .cse3 .cse4)))) [2020-11-28 07:42:33,431 INFO L274 CegarLoopResult]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2020-11-28 07:42:33,431 INFO L270 CegarLoopResult]: At program point L328-2(lines 327 346) the Hoare annotation is: false [2020-11-28 07:42:33,438 INFO L270 CegarLoopResult]: At program point L328-3(lines 327 346) the Hoare annotation is: false [2020-11-28 07:42:33,438 INFO L270 CegarLoopResult]: At program point L494(lines 479 497) the Hoare annotation is: false [2020-11-28 07:42:33,438 INFO L270 CegarLoopResult]: At program point L494-1(lines 479 497) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32))) .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))))) [2020-11-28 07:42:33,438 INFO L270 CegarLoopResult]: At program point L494-2(lines 479 497) the Hoare annotation is: false [2020-11-28 07:42:33,438 INFO L270 CegarLoopResult]: At program point L494-3(lines 479 497) the Hoare annotation is: false [2020-11-28 07:42:33,439 INFO L270 CegarLoopResult]: At program point L494-4(lines 479 497) the Hoare annotation is: false [2020-11-28 07:42:33,439 INFO L270 CegarLoopResult]: At program point L494-5(lines 479 497) the Hoare annotation is: false [2020-11-28 07:42:33,439 INFO L274 CegarLoopResult]: For program point L263(lines 263 269) no Hoare annotation was computed. [2020-11-28 07:42:33,439 INFO L274 CegarLoopResult]: For program point L263-1(lines 263 269) no Hoare annotation was computed. [2020-11-28 07:42:33,439 INFO L274 CegarLoopResult]: For program point L263-2(lines 263 269) no Hoare annotation was computed. [2020-11-28 07:42:33,439 INFO L274 CegarLoopResult]: For program point L263-3(lines 263 269) no Hoare annotation was computed. [2020-11-28 07:42:33,439 INFO L274 CegarLoopResult]: For program point L263-4(lines 263 269) no Hoare annotation was computed. [2020-11-28 07:42:33,439 INFO L274 CegarLoopResult]: For program point L263-5(lines 263 269) no Hoare annotation was computed. [2020-11-28 07:42:33,440 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:42:33,440 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:42:33,440 INFO L274 CegarLoopResult]: For program point L198(lines 198 202) no Hoare annotation was computed. [2020-11-28 07:42:33,440 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-11-28 07:42:33,440 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-11-28 07:42:33,440 INFO L274 CegarLoopResult]: For program point L364(lines 364 372) no Hoare annotation was computed. [2020-11-28 07:42:33,441 INFO L274 CegarLoopResult]: For program point L364-1(lines 364 372) no Hoare annotation was computed. [2020-11-28 07:42:33,441 INFO L274 CegarLoopResult]: For program point L364-2(lines 364 372) no Hoare annotation was computed. [2020-11-28 07:42:33,441 INFO L274 CegarLoopResult]: For program point L364-3(lines 364 372) no Hoare annotation was computed. [2020-11-28 07:42:33,441 INFO L274 CegarLoopResult]: For program point L364-4(lines 364 372) no Hoare annotation was computed. [2020-11-28 07:42:33,441 INFO L274 CegarLoopResult]: For program point L364-5(lines 364 372) no Hoare annotation was computed. [2020-11-28 07:42:33,441 INFO L274 CegarLoopResult]: For program point L563(lines 563 569) no Hoare annotation was computed. [2020-11-28 07:42:33,442 INFO L270 CegarLoopResult]: At program point L563-1(lines 563 569) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse3 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse3 (exists ((v_~waterLevel~0_43 (_ BitVec 32))) (and (= (_ bv1 32) v_~waterLevel~0_43) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) v_~waterLevel~0_43))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32)))) (and .cse0 .cse1 .cse3 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse2 .cse4)))) [2020-11-28 07:42:33,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,453 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,457 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,457 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,460 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,460 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,461 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,462 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,474 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,474 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,482 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,486 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,487 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:42:33 BoogieIcfgContainer [2020-11-28 07:42:33,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:42:33,501 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:42:33,501 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:42:33,505 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:42:33,506 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:10" (3/4) ... [2020-11-28 07:42:33,511 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:42:33,544 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 07:42:33,546 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 07:42:33,547 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 07:42:33,549 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 07:42:33,550 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 07:42:33,551 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:42:33,553 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:42:33,587 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32)) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) && !(tmp == 0bv32)) [2020-11-28 07:42:33,587 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) && !(tmp == 0bv32))) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-28 07:42:33,589 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) && !(tmp == 0bv32))) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-28 07:42:33,590 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) && !(tmp == 0bv32))) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-28 07:42:33,590 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-28 07:42:33,590 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == tmp) || ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-28 07:42:33,594 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-28 07:42:33,595 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32 [2020-11-28 07:42:33,596 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) [2020-11-28 07:42:33,596 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32 [2020-11-28 07:42:33,601 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-11-28 07:42:33,605 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) [2020-11-28 07:42:33,704 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_067858cb-1588-4562-865f-560d85963021/bin/utaipan/witness.graphml [2020-11-28 07:42:33,704 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:42:33,706 INFO L168 Benchmark]: Toolchain (without parser) took 26830.78 ms. Allocated memory was 58.7 MB in the beginning and 195.0 MB in the end (delta: 136.3 MB). Free memory was 36.6 MB in the beginning and 156.5 MB in the end (delta: -119.8 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:33,706 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 58.7 MB. Free memory is still 40.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:42:33,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.31 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 36.5 MB in the beginning and 56.0 MB in the end (delta: -19.6 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:33,707 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.62 ms. Allocated memory is still 75.5 MB. Free memory was 56.0 MB in the beginning and 52.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:33,708 INFO L168 Benchmark]: Boogie Preprocessor took 51.43 ms. Allocated memory is still 75.5 MB. Free memory was 52.5 MB in the beginning and 49.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:33,708 INFO L168 Benchmark]: RCFGBuilder took 2527.78 ms. Allocated memory is still 75.5 MB. Free memory was 49.5 MB in the beginning and 47.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:33,708 INFO L168 Benchmark]: TraceAbstraction took 23165.95 ms. Allocated memory was 75.5 MB in the beginning and 195.0 MB in the end (delta: 119.5 MB). Free memory was 47.5 MB in the beginning and 165.9 MB in the end (delta: -118.4 MB). Peak memory consumption was 112.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:33,709 INFO L168 Benchmark]: Witness Printer took 203.44 ms. Allocated memory is still 195.0 MB. Free memory was 165.9 MB in the beginning and 156.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:33,715 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 58.7 MB. Free memory is still 40.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 780.31 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 36.5 MB in the beginning and 56.0 MB in the end (delta: -19.6 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.62 ms. Allocated memory is still 75.5 MB. Free memory was 56.0 MB in the beginning and 52.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.43 ms. Allocated memory is still 75.5 MB. Free memory was 52.5 MB in the beginning and 49.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2527.78 ms. Allocated memory is still 75.5 MB. Free memory was 49.5 MB in the beginning and 47.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23165.95 ms. Allocated memory was 75.5 MB in the beginning and 195.0 MB in the end (delta: 119.5 MB). Free memory was 47.5 MB in the beginning and 165.9 MB in the end (delta: -118.4 MB). Peak memory consumption was 112.3 MB. Max. memory is 16.1 GB. * Witness Printer took 203.44 ms. Allocated memory is still 195.0 MB. Free memory was 165.9 MB in the beginning and 156.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant [2020-11-28 07:42:33,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,730 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,730 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) && !(tmp == 0bv32))) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 1]: Loop Invariant [2020-11-28 07:42:33,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,735 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,735 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] Derived loop invariant: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32)) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) && !(tmp == 0bv32)) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant [2020-11-28 07:42:33,741 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,741 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] Derived loop invariant: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 563]: Loop Invariant [2020-11-28 07:42:33,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,748 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,750 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,750 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) && !(tmp == 0bv32))) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant [2020-11-28 07:42:33,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:33,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) && !(tmp == 0bv32))) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: ((((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == tmp) || ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 122 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.9s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1242 SDtfs, 3380 SDslu, 3481 SDs, 0 SdLazy, 768 SolverSat, 162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1281 GetRequests, 1149 SyntacticMatches, 5 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2137 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred 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: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 2296 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 139 NumberOfFragments, 709 HoareAnnotationTreeSize, 44 FomulaSimplifications, 147590 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 44 FomulaSimplificationsInter, 327017 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 611 NumberOfCodeBlocks, 611 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1192 ConstructedInterpolants, 1 QuantifiedInterpolants, 142207 SizeOfPredicates, 32 NumberOfNonLiveVariables, 3324 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 30 InterpolantComputations, 20 PerfectInterpolantSequences, 282/350 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...