./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e1b0443329a7a45dbd5811d3e88a5ff99628068 ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e1b0443329a7a45dbd5811d3e88a5ff99628068 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:10:47,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:10:47,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:10:47,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:10:47,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:10:47,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:10:47,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:10:47,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:10:47,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:10:47,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:10:47,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:10:47,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:10:47,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:10:47,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:10:47,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:10:47,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:10:47,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:10:47,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:10:47,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:10:47,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:10:47,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:10:47,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:10:47,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:10:47,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:10:47,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:10:47,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:10:47,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:10:47,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:10:47,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:10:47,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:10:47,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:10:47,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:10:47,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:10:47,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:10:47,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:10:47,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:10:47,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:10:47,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:10:47,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:10:47,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:10:47,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:10:47,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:10:47,093 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:10:47,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:10:47,094 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:10:47,094 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:10:47,094 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:10:47,094 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:10:47,094 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:10:47,094 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:10:47,094 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:10:47,095 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:10:47,095 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:10:47,095 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:10:47,095 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:10:47,095 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:10:47,095 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:10:47,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:10:47,096 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:10:47,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:10:47,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:10:47,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:10:47,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:10:47,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:10:47,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:10:47,097 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:10:47,097 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:10:47,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:10:47,097 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:10:47,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:10:47,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:10:47,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:10:47,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:10:47,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:10:47,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:10:47,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:10:47,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:10:47,098 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:10:47,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:10:47,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:10:47,098 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:10:47,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:10:47,098 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e1b0443329a7a45dbd5811d3e88a5ff99628068 [2019-12-07 20:10:47,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:10:47,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:10:47,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:10:47,211 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:10:47,211 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:10:47,212 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c [2019-12-07 20:10:47,255 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/data/46748ef01/91ea019409b24b42915f85606634764b/FLAG307ea0076 [2019-12-07 20:10:47,666 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:10:47,666 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c [2019-12-07 20:10:47,675 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/data/46748ef01/91ea019409b24b42915f85606634764b/FLAG307ea0076 [2019-12-07 20:10:48,041 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/data/46748ef01/91ea019409b24b42915f85606634764b [2019-12-07 20:10:48,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:10:48,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:10:48,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:10:48,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:10:48,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:10:48,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:10:48" (1/1) ... [2019-12-07 20:10:48,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155c7db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:10:48, skipping insertion in model container [2019-12-07 20:10:48,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:10:48" (1/1) ... [2019-12-07 20:10:48,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:10:48,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:10:48,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:10:48,302 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 20:10:48,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2255237a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:10:48, skipping insertion in model container [2019-12-07 20:10:48,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:10:48,303 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:10:48,305 INFO L168 Benchmark]: Toolchain (without parser) took 260.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.3 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -127.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:10:48,305 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 957.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:10:48,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.3 MB). Free memory was 937.2 MB in the beginning and 1.1 GB in the end (delta: -132.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:10:48,307 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 957.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 258.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.3 MB). Free memory was 937.2 MB in the beginning and 1.1 GB in the end (delta: -132.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 488]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 20:10:49,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:10:49,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:10:49,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:10:49,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:10:49,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:10:49,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:10:49,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:10:49,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:10:49,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:10:49,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:10:49,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:10:49,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:10:49,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:10:49,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:10:49,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:10:49,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:10:49,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:10:49,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:10:49,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:10:49,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:10:49,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:10:49,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:10:49,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:10:49,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:10:49,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:10:49,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:10:49,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:10:49,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:10:49,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:10:49,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:10:49,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:10:49,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:10:49,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:10:49,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:10:49,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:10:49,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:10:49,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:10:49,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:10:49,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:10:49,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:10:49,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:10:49,500 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:10:49,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:10:49,501 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:10:49,501 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:10:49,501 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:10:49,501 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:10:49,501 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:10:49,502 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:10:49,502 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:10:49,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:10:49,503 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:10:49,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:10:49,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:10:49,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:10:49,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:10:49,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:10:49,504 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:10:49,504 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:10:49,504 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:10:49,504 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:10:49,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:10:49,505 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:10:49,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:10:49,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:10:49,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:10:49,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:10:49,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:10:49,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:10:49,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:10:49,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:10:49,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:10:49,506 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:10:49,507 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:10:49,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:10:49,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:10:49,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:10:49,507 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e1b0443329a7a45dbd5811d3e88a5ff99628068 [2019-12-07 20:10:49,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:10:49,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:10:49,678 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:10:49,679 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:10:49,679 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:10:49,679 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c [2019-12-07 20:10:49,717 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/data/48ea3f3a7/f161f9b48aaa4f5d95fc5f4bee9f16a6/FLAG97e7b418b [2019-12-07 20:10:50,202 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:10:50,203 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c [2019-12-07 20:10:50,211 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/data/48ea3f3a7/f161f9b48aaa4f5d95fc5f4bee9f16a6/FLAG97e7b418b [2019-12-07 20:10:50,221 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/data/48ea3f3a7/f161f9b48aaa4f5d95fc5f4bee9f16a6 [2019-12-07 20:10:50,223 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:10:50,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:10:50,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:10:50,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:10:50,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:10:50,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:10:50" (1/1) ... [2019-12-07 20:10:50,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:10:50, skipping insertion in model container [2019-12-07 20:10:50,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:10:50" (1/1) ... [2019-12-07 20:10:50,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:10:50,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:10:50,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:10:50,503 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:10:50,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:10:50,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:10:50,555 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:10:50,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:10:50,621 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:10:50,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:10:50 WrapperNode [2019-12-07 20:10:50,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:10:50,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:10:50,622 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:10:50,622 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:10:50,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:10:50" (1/1) ... [2019-12-07 20:10:50,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:10:50" (1/1) ... [2019-12-07 20:10:50,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:10:50,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:10:50,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:10:50,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:10:50,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:10:50" (1/1) ... [2019-12-07 20:10:50,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:10:50" (1/1) ... [2019-12-07 20:10:50,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:10:50" (1/1) ... [2019-12-07 20:10:50,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:10:50" (1/1) ... [2019-12-07 20:10:50,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:10:50" (1/1) ... [2019-12-07 20:10:50,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:10:50" (1/1) ... [2019-12-07 20:10:50,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:10:50" (1/1) ... [2019-12-07 20:10:50,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:10:50,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:10:50,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:10:50,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:10:50,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:10:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:10:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:10:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:10:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:10:50,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:10:51,328 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:10:51,329 INFO L287 CfgBuilder]: Removed 210 assume(true) statements. [2019-12-07 20:10:51,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:10:51 BoogieIcfgContainer [2019-12-07 20:10:51,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:10:51,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:10:51,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:10:51,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:10:51,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:10:50" (1/3) ... [2019-12-07 20:10:51,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c332dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:10:51, skipping insertion in model container [2019-12-07 20:10:51,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:10:50" (2/3) ... [2019-12-07 20:10:51,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c332dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:10:51, skipping insertion in model container [2019-12-07 20:10:51,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:10:51" (3/3) ... [2019-12-07 20:10:51,335 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product59.cil.c [2019-12-07 20:10:51,341 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:10:51,347 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 20:10:51,354 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 20:10:51,371 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:10:51,372 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:10:51,372 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:10:51,372 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:10:51,372 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:10:51,372 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:10:51,372 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:10:51,372 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:10:51,385 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2019-12-07 20:10:51,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 20:10:51,390 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:10:51,390 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:10:51,391 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:10:51,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:10:51,395 INFO L82 PathProgramCache]: Analyzing trace with hash 389332384, now seen corresponding path program 1 times [2019-12-07 20:10:51,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:10:51,403 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1311247636] [2019-12-07 20:10:51,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 20:10:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:10:51,546 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:10:51,550 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:10:51,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:51,561 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:10:51,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:51,566 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1311247636] [2019-12-07 20:10:51,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:10:51,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:10:51,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856864761] [2019-12-07 20:10:51,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:10:51,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:10:51,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:10:51,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:10:51,581 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2019-12-07 20:10:51,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:10:51,606 INFO L93 Difference]: Finished difference Result 285 states and 424 transitions. [2019-12-07 20:10:51,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:10:51,607 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-12-07 20:10:51,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:10:51,615 INFO L225 Difference]: With dead ends: 285 [2019-12-07 20:10:51,616 INFO L226 Difference]: Without dead ends: 142 [2019-12-07 20:10:51,618 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:10:51,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-12-07 20:10:51,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2019-12-07 20:10:51,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-12-07 20:10:51,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 204 transitions. [2019-12-07 20:10:51,652 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 204 transitions. Word has length 19 [2019-12-07 20:10:51,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:10:51,653 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 204 transitions. [2019-12-07 20:10:51,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:10:51,653 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 204 transitions. [2019-12-07 20:10:51,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 20:10:51,654 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:10:51,654 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:10:51,855 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:10:51,855 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:10:51,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:10:51,856 INFO L82 PathProgramCache]: Analyzing trace with hash -820290624, now seen corresponding path program 1 times [2019-12-07 20:10:51,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:10:51,856 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1216002538] [2019-12-07 20:10:51,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 20:10:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:10:51,982 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:10:51,984 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:10:51,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:51,998 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:10:52,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:52,008 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1216002538] [2019-12-07 20:10:52,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:10:52,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:10:52,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669039541] [2019-12-07 20:10:52,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:10:52,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:10:52,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:10:52,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:10:52,010 INFO L87 Difference]: Start difference. First operand 142 states and 204 transitions. Second operand 4 states. [2019-12-07 20:10:52,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:10:52,024 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2019-12-07 20:10:52,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:10:52,024 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-12-07 20:10:52,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:10:52,025 INFO L225 Difference]: With dead ends: 142 [2019-12-07 20:10:52,025 INFO L226 Difference]: Without dead ends: 59 [2019-12-07 20:10:52,026 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:10:52,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-12-07 20:10:52,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-12-07 20:10:52,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-12-07 20:10:52,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 84 transitions. [2019-12-07 20:10:52,031 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 84 transitions. Word has length 20 [2019-12-07 20:10:52,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:10:52,032 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 84 transitions. [2019-12-07 20:10:52,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:10:52,032 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2019-12-07 20:10:52,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 20:10:52,033 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:10:52,033 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:10:52,233 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:10:52,234 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:10:52,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:10:52,234 INFO L82 PathProgramCache]: Analyzing trace with hash 161597825, now seen corresponding path program 1 times [2019-12-07 20:10:52,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:10:52,235 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037865198] [2019-12-07 20:10:52,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 20:10:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:10:52,348 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:10:52,349 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:10:52,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:52,358 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:10:52,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:52,366 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037865198] [2019-12-07 20:10:52,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:10:52,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 20:10:52,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386617260] [2019-12-07 20:10:52,367 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:10:52,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:10:52,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:10:52,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:10:52,368 INFO L87 Difference]: Start difference. First operand 59 states and 84 transitions. Second operand 4 states. [2019-12-07 20:10:52,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:10:52,391 INFO L93 Difference]: Finished difference Result 189 states and 276 transitions. [2019-12-07 20:10:52,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:10:52,392 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-12-07 20:10:52,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:10:52,393 INFO L225 Difference]: With dead ends: 189 [2019-12-07 20:10:52,393 INFO L226 Difference]: Without dead ends: 137 [2019-12-07 20:10:52,393 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:10:52,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-12-07 20:10:52,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 81. [2019-12-07 20:10:52,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-12-07 20:10:52,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 117 transitions. [2019-12-07 20:10:52,403 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 117 transitions. Word has length 26 [2019-12-07 20:10:52,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:10:52,403 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 117 transitions. [2019-12-07 20:10:52,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:10:52,404 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2019-12-07 20:10:52,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 20:10:52,405 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:10:52,405 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:10:52,605 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:10:52,606 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:10:52,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:10:52,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1792264266, now seen corresponding path program 1 times [2019-12-07 20:10:52,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:10:52,608 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1376245323] [2019-12-07 20:10:52,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 20:10:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:10:52,782 INFO L264 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:10:52,783 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:10:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:52,789 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:10:52,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:52,792 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1376245323] [2019-12-07 20:10:52,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:10:52,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 20:10:52,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143758916] [2019-12-07 20:10:52,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:10:52,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:10:52,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:10:52,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:10:52,793 INFO L87 Difference]: Start difference. First operand 81 states and 117 transitions. Second operand 3 states. [2019-12-07 20:10:52,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:10:52,850 INFO L93 Difference]: Finished difference Result 179 states and 261 transitions. [2019-12-07 20:10:52,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:10:52,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-12-07 20:10:52,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:10:52,851 INFO L225 Difference]: With dead ends: 179 [2019-12-07 20:10:52,852 INFO L226 Difference]: Without dead ends: 105 [2019-12-07 20:10:52,852 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:10:52,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-12-07 20:10:52,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2019-12-07 20:10:52,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-12-07 20:10:52,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 145 transitions. [2019-12-07 20:10:52,860 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 145 transitions. Word has length 28 [2019-12-07 20:10:52,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:10:52,861 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 145 transitions. [2019-12-07 20:10:52,861 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:10:52,861 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 145 transitions. [2019-12-07 20:10:52,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 20:10:52,862 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:10:52,862 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:10:53,062 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:10:53,062 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:10:53,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:10:53,063 INFO L82 PathProgramCache]: Analyzing trace with hash -106881590, now seen corresponding path program 1 times [2019-12-07 20:10:53,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:10:53,063 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2000445338] [2019-12-07 20:10:53,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 20:10:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:10:53,182 INFO L264 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:10:53,183 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:10:53,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:53,200 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:10:53,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:53,206 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2000445338] [2019-12-07 20:10:53,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:10:53,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:10:53,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075854523] [2019-12-07 20:10:53,207 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:10:53,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:10:53,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:10:53,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:10:53,208 INFO L87 Difference]: Start difference. First operand 103 states and 145 transitions. Second operand 5 states. [2019-12-07 20:10:53,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:10:53,349 INFO L93 Difference]: Finished difference Result 338 states and 477 transitions. [2019-12-07 20:10:53,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 20:10:53,350 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-12-07 20:10:53,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:10:53,351 INFO L225 Difference]: With dead ends: 338 [2019-12-07 20:10:53,351 INFO L226 Difference]: Without dead ends: 242 [2019-12-07 20:10:53,352 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:10:53,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2019-12-07 20:10:53,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 101. [2019-12-07 20:10:53,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-12-07 20:10:53,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 139 transitions. [2019-12-07 20:10:53,363 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 139 transitions. Word has length 29 [2019-12-07 20:10:53,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:10:53,363 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 139 transitions. [2019-12-07 20:10:53,363 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:10:53,363 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 139 transitions. [2019-12-07 20:10:53,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 20:10:53,364 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:10:53,365 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:10:53,565 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:10:53,566 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:10:53,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:10:53,566 INFO L82 PathProgramCache]: Analyzing trace with hash -679787626, now seen corresponding path program 1 times [2019-12-07 20:10:53,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:10:53,568 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [291804551] [2019-12-07 20:10:53,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 20:10:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:10:53,702 INFO L264 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:10:53,705 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:10:53,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:53,718 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:10:53,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:53,721 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [291804551] [2019-12-07 20:10:53,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:10:53,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:10:53,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566511108] [2019-12-07 20:10:53,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:10:53,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:10:53,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:10:53,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:10:53,723 INFO L87 Difference]: Start difference. First operand 101 states and 139 transitions. Second operand 5 states. [2019-12-07 20:10:53,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:10:53,779 INFO L93 Difference]: Finished difference Result 288 states and 396 transitions. [2019-12-07 20:10:53,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 20:10:53,779 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-12-07 20:10:53,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:10:53,781 INFO L225 Difference]: With dead ends: 288 [2019-12-07 20:10:53,781 INFO L226 Difference]: Without dead ends: 194 [2019-12-07 20:10:53,782 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 20:10:53,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-12-07 20:10:53,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 107. [2019-12-07 20:10:53,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-12-07 20:10:53,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 145 transitions. [2019-12-07 20:10:53,794 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 145 transitions. Word has length 37 [2019-12-07 20:10:53,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:10:53,794 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 145 transitions. [2019-12-07 20:10:53,794 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:10:53,794 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 145 transitions. [2019-12-07 20:10:53,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 20:10:53,795 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:10:53,795 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:10:53,999 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 20:10:54,000 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:10:54,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:10:54,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1690904876, now seen corresponding path program 1 times [2019-12-07 20:10:54,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:10:54,001 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1245564781] [2019-12-07 20:10:54,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 20:10:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:10:54,136 INFO L264 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 20:10:54,138 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:10:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:54,147 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:10:54,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:54,158 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1245564781] [2019-12-07 20:10:54,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:10:54,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 20:10:54,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195816510] [2019-12-07 20:10:54,158 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:10:54,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:10:54,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:10:54,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:10:54,159 INFO L87 Difference]: Start difference. First operand 107 states and 145 transitions. Second operand 6 states. [2019-12-07 20:10:54,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:10:54,202 INFO L93 Difference]: Finished difference Result 305 states and 413 transitions. [2019-12-07 20:10:54,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:10:54,202 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-12-07 20:10:54,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:10:54,204 INFO L225 Difference]: With dead ends: 305 [2019-12-07 20:10:54,204 INFO L226 Difference]: Without dead ends: 205 [2019-12-07 20:10:54,205 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 20:10:54,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2019-12-07 20:10:54,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 111. [2019-12-07 20:10:54,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 20:10:54,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 149 transitions. [2019-12-07 20:10:54,216 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 149 transitions. Word has length 37 [2019-12-07 20:10:54,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:10:54,217 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 149 transitions. [2019-12-07 20:10:54,217 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:10:54,217 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 149 transitions. [2019-12-07 20:10:54,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 20:10:54,218 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:10:54,218 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:10:54,418 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 20:10:54,419 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:10:54,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:10:54,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1582994066, now seen corresponding path program 1 times [2019-12-07 20:10:54,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:10:54,421 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1436787435] [2019-12-07 20:10:54,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 20:10:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:10:54,568 INFO L264 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:10:54,569 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:10:54,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:54,575 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:10:54,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:54,583 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1436787435] [2019-12-07 20:10:54,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:10:54,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 20:10:54,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561536474] [2019-12-07 20:10:54,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:10:54,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:10:54,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:10:54,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:10:54,584 INFO L87 Difference]: Start difference. First operand 111 states and 149 transitions. Second operand 4 states. [2019-12-07 20:10:54,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:10:54,633 INFO L93 Difference]: Finished difference Result 349 states and 473 transitions. [2019-12-07 20:10:54,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:10:54,633 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-12-07 20:10:54,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:10:54,635 INFO L225 Difference]: With dead ends: 349 [2019-12-07 20:10:54,635 INFO L226 Difference]: Without dead ends: 245 [2019-12-07 20:10:54,635 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:10:54,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2019-12-07 20:10:54,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 193. [2019-12-07 20:10:54,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-12-07 20:10:54,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 259 transitions. [2019-12-07 20:10:54,648 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 259 transitions. Word has length 37 [2019-12-07 20:10:54,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:10:54,648 INFO L462 AbstractCegarLoop]: Abstraction has 193 states and 259 transitions. [2019-12-07 20:10:54,648 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:10:54,649 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 259 transitions. [2019-12-07 20:10:54,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-07 20:10:54,649 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:10:54,649 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:10:54,850 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 20:10:54,850 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:10:54,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:10:54,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1176175278, now seen corresponding path program 1 times [2019-12-07 20:10:54,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:10:54,851 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865266061] [2019-12-07 20:10:54,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 20:10:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:10:54,954 INFO L264 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 20:10:54,955 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:10:54,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:54,976 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:10:54,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:54,980 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865266061] [2019-12-07 20:10:54,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:10:54,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:10:54,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60922479] [2019-12-07 20:10:54,980 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:10:54,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:10:54,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:10:54,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:10:54,981 INFO L87 Difference]: Start difference. First operand 193 states and 259 transitions. Second operand 6 states. [2019-12-07 20:10:55,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:10:55,257 INFO L93 Difference]: Finished difference Result 975 states and 1323 transitions. [2019-12-07 20:10:55,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 20:10:55,258 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2019-12-07 20:10:55,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:10:55,261 INFO L225 Difference]: With dead ends: 975 [2019-12-07 20:10:55,261 INFO L226 Difference]: Without dead ends: 789 [2019-12-07 20:10:55,262 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-12-07 20:10:55,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2019-12-07 20:10:55,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 350. [2019-12-07 20:10:55,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2019-12-07 20:10:55,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 464 transitions. [2019-12-07 20:10:55,288 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 464 transitions. Word has length 38 [2019-12-07 20:10:55,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:10:55,288 INFO L462 AbstractCegarLoop]: Abstraction has 350 states and 464 transitions. [2019-12-07 20:10:55,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:10:55,288 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 464 transitions. [2019-12-07 20:10:55,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-07 20:10:55,289 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:10:55,289 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:10:55,490 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 20:10:55,490 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:10:55,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:10:55,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1917118807, now seen corresponding path program 1 times [2019-12-07 20:10:55,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:10:55,491 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2143209964] [2019-12-07 20:10:55,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 20:10:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:10:55,595 INFO L264 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:10:55,597 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:10:55,617 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-07 20:10:55,617 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:10:55,620 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:10:55,638 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-07 20:10:55,638 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2143209964] [2019-12-07 20:10:55,638 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [687001566] [2019-12-07 20:10:55,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:10:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:10:55,740 INFO L264 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 20:10:55,741 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:10:55,771 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:55,771 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:10:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:55,804 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752643565] [2019-12-07 20:10:55,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:10:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:10:55,921 INFO L264 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:10:55,922 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:10:55,928 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:55,928 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:10:55,935 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:10:55,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 20:10:55,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 14 [2019-12-07 20:10:55,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147476336] [2019-12-07 20:10:55,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 20:10:55,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:10:55,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 20:10:55,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-12-07 20:10:55,937 INFO L87 Difference]: Start difference. First operand 350 states and 464 transitions. Second operand 14 states. [2019-12-07 20:10:58,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:10:58,078 INFO L93 Difference]: Finished difference Result 2729 states and 3703 transitions. [2019-12-07 20:10:58,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2019-12-07 20:10:58,078 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 61 [2019-12-07 20:10:58,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:10:58,087 INFO L225 Difference]: With dead ends: 2729 [2019-12-07 20:10:58,088 INFO L226 Difference]: Without dead ends: 2386 [2019-12-07 20:10:58,092 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3981 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1791, Invalid=8715, Unknown=0, NotChecked=0, Total=10506 [2019-12-07 20:10:58,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2386 states. [2019-12-07 20:10:58,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2386 to 488. [2019-12-07 20:10:58,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2019-12-07 20:10:58,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 637 transitions. [2019-12-07 20:10:58,151 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 637 transitions. Word has length 61 [2019-12-07 20:10:58,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:10:58,151 INFO L462 AbstractCegarLoop]: Abstraction has 488 states and 637 transitions. [2019-12-07 20:10:58,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 20:10:58,151 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 637 transitions. [2019-12-07 20:10:58,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-12-07 20:10:58,152 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:10:58,152 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:10:58,753 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 mathsat -unsat_core_generation=3 [2019-12-07 20:10:58,754 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:10:58,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:10:58,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1565951782, now seen corresponding path program 1 times [2019-12-07 20:10:58,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:10:58,756 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [198954430] [2019-12-07 20:10:58,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-12-07 20:10:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:10:58,877 INFO L264 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:10:58,878 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:10:58,907 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-07 20:10:58,908 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:10:58,928 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-07 20:10:58,928 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [198954430] [2019-12-07 20:10:58,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:10:58,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 20:10:58,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675404716] [2019-12-07 20:10:58,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:10:58,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:10:58,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:10:58,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:10:58,929 INFO L87 Difference]: Start difference. First operand 488 states and 637 transitions. Second operand 8 states. [2019-12-07 20:10:58,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:10:58,976 INFO L93 Difference]: Finished difference Result 811 states and 1048 transitions. [2019-12-07 20:10:58,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:10:58,976 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2019-12-07 20:10:58,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:10:58,976 INFO L225 Difference]: With dead ends: 811 [2019-12-07 20:10:58,976 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:10:58,977 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 20:10:58,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:10:58,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:10:58,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:10:58,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:10:58,978 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2019-12-07 20:10:58,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:10:58,978 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:10:58,978 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:10:58,978 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:10:58,978 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:10:59,178 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-12-07 20:10:59,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:11:00,611 WARN L192 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 30 [2019-12-07 20:11:00,816 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 27 [2019-12-07 20:11:01,309 WARN L192 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 28 [2019-12-07 20:11:01,570 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 23 [2019-12-07 20:11:02,229 WARN L192 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 31 [2019-12-07 20:11:02,609 WARN L192 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 30 [2019-12-07 20:11:03,269 WARN L192 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 23 [2019-12-07 20:11:03,542 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 15 [2019-12-07 20:11:04,084 WARN L192 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 30 [2019-12-07 20:11:04,504 WARN L192 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 30 [2019-12-07 20:11:04,966 WARN L192 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2019-12-07 20:11:05,614 WARN L192 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 31 [2019-12-07 20:11:05,618 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 830) no Hoare annotation was computed. [2019-12-07 20:11:05,618 INFO L242 CegarLoopResult]: At program point L366(lines 361 369) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2) (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2))) [2019-12-07 20:11:05,618 INFO L242 CegarLoopResult]: At program point L366-1(lines 361 369) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:11:05,618 INFO L242 CegarLoopResult]: At program point L366-2(lines 361 369) the Hoare annotation is: false [2019-12-07 20:11:05,618 INFO L242 CegarLoopResult]: At program point L366-3(lines 361 369) the Hoare annotation is: false [2019-12-07 20:11:05,618 INFO L242 CegarLoopResult]: At program point L366-4(lines 361 369) the Hoare annotation is: false [2019-12-07 20:11:05,618 INFO L242 CegarLoopResult]: At program point L366-5(lines 361 369) the Hoare annotation is: false [2019-12-07 20:11:05,619 INFO L246 CegarLoopResult]: For program point L862(lines 862 879) no Hoare annotation was computed. [2019-12-07 20:11:05,619 INFO L242 CegarLoopResult]: At program point L862-1(lines 1 1017) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9)) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse5 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse3 .cse4) (and .cse7 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse4 .cse5) (and .cse7 .cse0 .cse1 .cse2 .cse4 .cse5) (and .cse7 .cse0 .cse6 .cse4))) [2019-12-07 20:11:05,619 INFO L242 CegarLoopResult]: At program point L895-2(lines 895 909) the Hoare annotation is: false [2019-12-07 20:11:05,619 INFO L246 CegarLoopResult]: For program point L862-2(lines 862 879) no Hoare annotation was computed. [2019-12-07 20:11:05,619 INFO L242 CegarLoopResult]: At program point L862-3(lines 1 1017) the Hoare annotation is: false [2019-12-07 20:11:05,619 INFO L246 CegarLoopResult]: For program point L862-4(lines 862 879) no Hoare annotation was computed. [2019-12-07 20:11:05,619 INFO L242 CegarLoopResult]: At program point L862-5(lines 1 1017) the Hoare annotation is: false [2019-12-07 20:11:05,619 INFO L242 CegarLoopResult]: At program point L136(lines 127 140) the Hoare annotation is: false [2019-12-07 20:11:05,619 INFO L242 CegarLoopResult]: At program point L136-1(lines 127 140) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2))) [2019-12-07 20:11:05,619 INFO L242 CegarLoopResult]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2019-12-07 20:11:05,619 INFO L242 CegarLoopResult]: At program point L136-3(lines 127 140) the Hoare annotation is: false [2019-12-07 20:11:05,619 INFO L242 CegarLoopResult]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2019-12-07 20:11:05,619 INFO L242 CegarLoopResult]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2019-12-07 20:11:05,619 INFO L246 CegarLoopResult]: For program point L896(line 896) no Hoare annotation was computed. [2019-12-07 20:11:05,620 INFO L246 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2019-12-07 20:11:05,620 INFO L246 CegarLoopResult]: For program point L830-1(line 830) no Hoare annotation was computed. [2019-12-07 20:11:05,620 INFO L246 CegarLoopResult]: For program point L830-2(line 830) no Hoare annotation was computed. [2019-12-07 20:11:05,620 INFO L246 CegarLoopResult]: For program point L434(lines 434 438) no Hoare annotation was computed. [2019-12-07 20:11:05,620 INFO L246 CegarLoopResult]: For program point L434-2(lines 434 438) no Hoare annotation was computed. [2019-12-07 20:11:05,620 INFO L246 CegarLoopResult]: For program point L434-3(lines 434 438) no Hoare annotation was computed. [2019-12-07 20:11:05,620 INFO L246 CegarLoopResult]: For program point L269(lines 269 286) no Hoare annotation was computed. [2019-12-07 20:11:05,620 INFO L246 CegarLoopResult]: For program point L434-5(lines 434 438) no Hoare annotation was computed. [2019-12-07 20:11:05,620 INFO L246 CegarLoopResult]: For program point L269-1(lines 269 286) no Hoare annotation was computed. [2019-12-07 20:11:05,620 INFO L246 CegarLoopResult]: For program point L434-6(lines 434 438) no Hoare annotation was computed. [2019-12-07 20:11:05,620 INFO L246 CegarLoopResult]: For program point L269-2(lines 269 286) no Hoare annotation was computed. [2019-12-07 20:11:05,620 INFO L246 CegarLoopResult]: For program point L269-3(lines 269 286) no Hoare annotation was computed. [2019-12-07 20:11:05,620 INFO L246 CegarLoopResult]: For program point L434-8(lines 434 438) no Hoare annotation was computed. [2019-12-07 20:11:05,620 INFO L246 CegarLoopResult]: For program point L269-4(lines 269 286) no Hoare annotation was computed. [2019-12-07 20:11:05,620 INFO L246 CegarLoopResult]: For program point L269-5(lines 269 286) no Hoare annotation was computed. [2019-12-07 20:11:05,620 INFO L242 CegarLoopResult]: At program point L237(lines 233 255) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse5 .cse3) (and .cse4 .cse0 .cse5 .cse3))) [2019-12-07 20:11:05,621 INFO L242 CegarLoopResult]: At program point L237-1(lines 233 255) the Hoare annotation is: false [2019-12-07 20:11:05,621 INFO L242 CegarLoopResult]: At program point L237-2(lines 233 255) the Hoare annotation is: false [2019-12-07 20:11:05,621 INFO L246 CegarLoopResult]: For program point L899(lines 899 903) no Hoare annotation was computed. [2019-12-07 20:11:05,621 INFO L246 CegarLoopResult]: For program point L866(lines 866 876) no Hoare annotation was computed. [2019-12-07 20:11:05,621 INFO L246 CegarLoopResult]: For program point L899-1(lines 899 903) no Hoare annotation was computed. [2019-12-07 20:11:05,621 INFO L246 CegarLoopResult]: For program point L866-2(lines 866 876) no Hoare annotation was computed. [2019-12-07 20:11:05,621 INFO L246 CegarLoopResult]: For program point L866-4(lines 866 876) no Hoare annotation was computed. [2019-12-07 20:11:05,621 INFO L246 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2019-12-07 20:11:05,621 INFO L246 CegarLoopResult]: For program point L867-2(lines 867 873) no Hoare annotation was computed. [2019-12-07 20:11:05,621 INFO L246 CegarLoopResult]: For program point L867-4(lines 867 873) no Hoare annotation was computed. [2019-12-07 20:11:05,621 INFO L246 CegarLoopResult]: For program point L273(lines 273 281) no Hoare annotation was computed. [2019-12-07 20:11:05,621 INFO L246 CegarLoopResult]: For program point L273-1(lines 273 281) no Hoare annotation was computed. [2019-12-07 20:11:05,621 INFO L246 CegarLoopResult]: For program point L273-2(lines 273 281) no Hoare annotation was computed. [2019-12-07 20:11:05,621 INFO L246 CegarLoopResult]: For program point L174(lines 174 180) no Hoare annotation was computed. [2019-12-07 20:11:05,621 INFO L246 CegarLoopResult]: For program point L273-3(lines 273 281) no Hoare annotation was computed. [2019-12-07 20:11:05,621 INFO L242 CegarLoopResult]: At program point L174-1(lines 174 180) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse3) (and .cse4 .cse0 .cse5 .cse3))) [2019-12-07 20:11:05,621 INFO L246 CegarLoopResult]: For program point L273-4(lines 273 281) no Hoare annotation was computed. [2019-12-07 20:11:05,621 INFO L246 CegarLoopResult]: For program point L273-5(lines 273 281) no Hoare annotation was computed. [2019-12-07 20:11:05,622 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 830) no Hoare annotation was computed. [2019-12-07 20:11:05,622 INFO L242 CegarLoopResult]: At program point L440(lines 425 443) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:11:05,622 INFO L242 CegarLoopResult]: At program point L440-1(lines 425 443) the Hoare annotation is: false [2019-12-07 20:11:05,622 INFO L242 CegarLoopResult]: At program point L440-2(lines 425 443) the Hoare annotation is: false [2019-12-07 20:11:05,622 INFO L246 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-12-07 20:11:05,622 INFO L246 CegarLoopResult]: For program point L970(lines 970 977) no Hoare annotation was computed. [2019-12-07 20:11:05,622 INFO L249 CegarLoopResult]: At program point L970-1(lines 970 977) the Hoare annotation is: true [2019-12-07 20:11:05,622 INFO L242 CegarLoopResult]: At program point L244(lines 244 250) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse3) (and .cse4 .cse0 .cse1 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse3))) [2019-12-07 20:11:05,622 INFO L242 CegarLoopResult]: At program point L244-1(lines 244 250) the Hoare annotation is: false [2019-12-07 20:11:05,622 INFO L242 CegarLoopResult]: At program point L244-2(lines 244 250) the Hoare annotation is: false [2019-12-07 20:11:05,622 INFO L242 CegarLoopResult]: At program point L212(lines 163 213) the Hoare annotation is: false [2019-12-07 20:11:05,622 INFO L242 CegarLoopResult]: At program point L146(lines 141 149) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:11:05,622 INFO L242 CegarLoopResult]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2019-12-07 20:11:05,622 INFO L242 CegarLoopResult]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2019-12-07 20:11:05,622 INFO L242 CegarLoopResult]: At program point L1006(lines 1 1017) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:11:05,623 INFO L242 CegarLoopResult]: At program point L841(lines 836 843) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:11:05,623 INFO L242 CegarLoopResult]: At program point L943(lines 939 945) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:11:05,623 INFO L246 CegarLoopResult]: For program point L448(lines 448 454) no Hoare annotation was computed. [2019-12-07 20:11:05,623 INFO L242 CegarLoopResult]: At program point L448-1(lines 448 454) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1))) [2019-12-07 20:11:05,623 INFO L246 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2019-12-07 20:11:05,623 INFO L246 CegarLoopResult]: For program point L415-2(lines 415 419) no Hoare annotation was computed. [2019-12-07 20:11:05,623 INFO L246 CegarLoopResult]: For program point L415-3(lines 415 419) no Hoare annotation was computed. [2019-12-07 20:11:05,623 INFO L246 CegarLoopResult]: For program point L415-5(lines 415 419) no Hoare annotation was computed. [2019-12-07 20:11:05,623 INFO L246 CegarLoopResult]: For program point L415-6(lines 415 419) no Hoare annotation was computed. [2019-12-07 20:11:05,623 INFO L246 CegarLoopResult]: For program point L184(lines 184 190) no Hoare annotation was computed. [2019-12-07 20:11:05,623 INFO L242 CegarLoopResult]: At program point L184-1(lines 184 190) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse3) (and .cse4 .cse0 .cse5 .cse3))) [2019-12-07 20:11:05,623 INFO L246 CegarLoopResult]: For program point L415-8(lines 415 419) no Hoare annotation was computed. [2019-12-07 20:11:05,623 INFO L246 CegarLoopResult]: For program point L415-9(lines 415 419) no Hoare annotation was computed. [2019-12-07 20:11:05,623 INFO L246 CegarLoopResult]: For program point L415-11(lines 415 419) no Hoare annotation was computed. [2019-12-07 20:11:05,623 INFO L246 CegarLoopResult]: For program point L415-12(lines 415 419) no Hoare annotation was computed. [2019-12-07 20:11:05,623 INFO L246 CegarLoopResult]: For program point L415-14(lines 415 419) no Hoare annotation was computed. [2019-12-07 20:11:05,623 INFO L246 CegarLoopResult]: For program point L415-15(lines 415 419) no Hoare annotation was computed. [2019-12-07 20:11:05,624 INFO L246 CegarLoopResult]: For program point L415-17(lines 415 419) no Hoare annotation was computed. [2019-12-07 20:11:05,624 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:11:05,624 INFO L246 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2019-12-07 20:11:05,624 INFO L246 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2019-12-07 20:11:05,624 INFO L249 CegarLoopResult]: At program point L979(lines 960 982) the Hoare annotation is: true [2019-12-07 20:11:05,624 INFO L246 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2019-12-07 20:11:05,624 INFO L242 CegarLoopResult]: At program point L1014(lines 1009 1017) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:11:05,624 INFO L242 CegarLoopResult]: At program point L123(lines 118 126) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse6 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse2) (and .cse4 .cse1 .cse6 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2))) [2019-12-07 20:11:05,624 INFO L242 CegarLoopResult]: At program point L123-1(lines 118 126) the Hoare annotation is: false [2019-12-07 20:11:05,624 INFO L242 CegarLoopResult]: At program point L123-2(lines 118 126) the Hoare annotation is: false [2019-12-07 20:11:05,624 INFO L242 CegarLoopResult]: At program point L421(lines 406 424) the Hoare annotation is: false [2019-12-07 20:11:05,624 INFO L242 CegarLoopResult]: At program point L421-1(lines 406 424) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) .cse2) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2))) [2019-12-07 20:11:05,624 INFO L242 CegarLoopResult]: At program point L421-2(lines 406 424) the Hoare annotation is: false [2019-12-07 20:11:05,624 INFO L242 CegarLoopResult]: At program point L421-3(lines 406 424) the Hoare annotation is: false [2019-12-07 20:11:05,624 INFO L242 CegarLoopResult]: At program point L421-4(lines 406 424) the Hoare annotation is: false [2019-12-07 20:11:05,624 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:11:05,625 INFO L242 CegarLoopResult]: At program point L421-5(lines 406 424) the Hoare annotation is: false [2019-12-07 20:11:05,625 INFO L242 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2019-12-07 20:11:05,625 INFO L242 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv2 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:11:05,625 INFO L242 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2019-12-07 20:11:05,625 INFO L242 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2019-12-07 20:11:05,625 INFO L242 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2019-12-07 20:11:05,625 INFO L242 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2019-12-07 20:11:05,625 INFO L242 CegarLoopResult]: At program point L851(lines 237 243) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse0) (and .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse0) (and .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse0))) [2019-12-07 20:11:05,625 INFO L242 CegarLoopResult]: At program point L851-1(lines 237 243) the Hoare annotation is: false [2019-12-07 20:11:05,625 INFO L242 CegarLoopResult]: At program point L851-2(lines 237 243) the Hoare annotation is: false [2019-12-07 20:11:05,625 INFO L242 CegarLoopResult]: At program point L357(lines 350 360) the Hoare annotation is: false [2019-12-07 20:11:05,625 INFO L242 CegarLoopResult]: At program point L357-1(lines 350 360) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv2 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:11:05,625 INFO L242 CegarLoopResult]: At program point L357-2(lines 350 360) the Hoare annotation is: false [2019-12-07 20:11:05,625 INFO L242 CegarLoopResult]: At program point L357-3(lines 350 360) the Hoare annotation is: false [2019-12-07 20:11:05,625 INFO L242 CegarLoopResult]: At program point L357-4(lines 350 360) the Hoare annotation is: false [2019-12-07 20:11:05,625 INFO L242 CegarLoopResult]: At program point L357-5(lines 350 360) the Hoare annotation is: false [2019-12-07 20:11:05,625 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:11:05,626 INFO L246 CegarLoopResult]: For program point L194(lines 194 207) no Hoare annotation was computed. [2019-12-07 20:11:05,626 INFO L246 CegarLoopResult]: For program point L295(lines 295 312) no Hoare annotation was computed. [2019-12-07 20:11:05,626 INFO L246 CegarLoopResult]: For program point L295-1(lines 295 312) no Hoare annotation was computed. [2019-12-07 20:11:05,626 INFO L246 CegarLoopResult]: For program point L295-2(lines 295 312) no Hoare annotation was computed. [2019-12-07 20:11:05,626 INFO L246 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:11:05,626 INFO L246 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:11:05,626 INFO L246 CegarLoopResult]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:11:05,626 INFO L246 CegarLoopResult]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:11:05,626 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:11:05,626 INFO L246 CegarLoopResult]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:11:05,626 INFO L246 CegarLoopResult]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:11:05,626 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 830) no Hoare annotation was computed. [2019-12-07 20:11:05,626 INFO L246 CegarLoopResult]: For program point L165(lines 164 211) no Hoare annotation was computed. [2019-12-07 20:11:05,626 INFO L246 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-12-07 20:11:05,626 INFO L246 CegarLoopResult]: For program point L166(lines 166 170) no Hoare annotation was computed. [2019-12-07 20:11:05,626 INFO L246 CegarLoopResult]: For program point L332(lines 332 338) no Hoare annotation was computed. [2019-12-07 20:11:05,626 INFO L246 CegarLoopResult]: For program point L299(lines 299 307) no Hoare annotation was computed. [2019-12-07 20:11:05,626 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 338) no Hoare annotation was computed. [2019-12-07 20:11:05,626 INFO L246 CegarLoopResult]: For program point L299-1(lines 299 307) no Hoare annotation was computed. [2019-12-07 20:11:05,627 INFO L246 CegarLoopResult]: For program point L299-2(lines 299 307) no Hoare annotation was computed. [2019-12-07 20:11:05,627 INFO L246 CegarLoopResult]: For program point L200(lines 200 206) no Hoare annotation was computed. [2019-12-07 20:11:05,627 INFO L246 CegarLoopResult]: For program point L332-4(lines 332 338) no Hoare annotation was computed. [2019-12-07 20:11:05,627 INFO L242 CegarLoopResult]: At program point L200-1(lines 200 206) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1) (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse1) (and .cse0 .cse2 .cse1))) [2019-12-07 20:11:05,627 INFO L246 CegarLoopResult]: For program point L332-6(lines 332 338) no Hoare annotation was computed. [2019-12-07 20:11:05,627 INFO L246 CegarLoopResult]: For program point L332-8(lines 332 338) no Hoare annotation was computed. [2019-12-07 20:11:05,627 INFO L246 CegarLoopResult]: For program point L332-10(lines 332 338) no Hoare annotation was computed. [2019-12-07 20:11:05,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:11:05 BoogieIcfgContainer [2019-12-07 20:11:05,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:11:05,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:11:05,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:11:05,651 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:11:05,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:10:51" (3/4) ... [2019-12-07 20:11:05,653 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:11:05,667 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 20:11:05,668 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 20:11:05,669 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 20:11:05,670 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 20:11:05,670 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 20:11:05,671 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:11:05,672 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:11:05,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == pumpRunning && 2bv32 == tmp) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 2bv32 == tmp) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 2bv32 == tmp) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 20:11:05,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 20:11:05,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 20:11:05,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) [2019-12-07 20:11:05,693 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 20:11:05,693 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 20:11:05,693 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 20:11:05,693 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 20:11:05,694 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32 [2019-12-07 20:11:05,694 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 20:11:05,694 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 20:11:05,695 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 20:11:05,695 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) [2019-12-07 20:11:05,739 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_74c38635-f64c-403f-92b3-41814807f160/bin/utaipan/witness.graphml [2019-12-07 20:11:05,739 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:11:05,740 INFO L168 Benchmark]: Toolchain (without parser) took 15516.59 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 358.1 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -89.4 MB). Peak memory consumption was 268.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:11:05,740 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:11:05,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -147.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:11:05,741 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:11:05,741 INFO L168 Benchmark]: Boogie Preprocessor took 36.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:11:05,741 INFO L168 Benchmark]: RCFGBuilder took 620.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 993.8 MB in the end (delta: 87.3 MB). Peak memory consumption was 87.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:11:05,741 INFO L168 Benchmark]: TraceAbstraction took 14319.89 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 238.0 MB). Free memory was 993.8 MB in the beginning and 1.1 GB in the end (delta: -64.6 MB). Peak memory consumption was 450.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:11:05,742 INFO L168 Benchmark]: Witness Printer took 88.85 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:11:05,743 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 397.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -147.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 620.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 993.8 MB in the end (delta: 87.3 MB). Peak memory consumption was 87.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14319.89 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 238.0 MB). Free memory was 993.8 MB in the beginning and 1.1 GB in the end (delta: -64.6 MB). Peak memory consumption was 450.5 MB. Max. memory is 11.5 GB. * Witness Printer took 88.85 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 830]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 830]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 830]: 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: 86]: Loop Invariant Derived loop invariant: ((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 970]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1009]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((0bv32 == pumpRunning && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((0bv32 == pumpRunning && 2bv32 == tmp) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) && 2bv32 == \result) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 2bv32 == tmp) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 2bv32 == tmp) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 146 locations, 3 error locations. Result: SAFE, OverallTime: 7.8s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, HoareTripleCheckerStatistics: 1496 SDtfs, 3345 SDslu, 4302 SDs, 0 SdLazy, 994 SolverSat, 219 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1277 GetRequests, 1135 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3998 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=488occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 2769 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 63 PreInvPairs, 216 NumberOfFragments, 929 HoareAnnotationTreeSize, 63 FomulaSimplifications, 511508 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 63 FomulaSimplificationsInter, 337609 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 563 NumberOfCodeBlocks, 563 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1100 ConstructedInterpolants, 0 QuantifiedInterpolants, 116970 SizeOfPredicates, 31 NumberOfNonLiveVariables, 2785 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 296/320 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...