./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.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_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/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 96fab9ebc0a7c1449817f0fde656dfd4d62824fd ...................................................................................................................................... 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_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/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 96fab9ebc0a7c1449817f0fde656dfd4d62824fd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:20:59,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:20:59,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:20:59,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:20:59,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:20:59,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:20:59,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:20:59,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:20:59,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:20:59,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:20:59,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:20:59,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:20:59,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:20:59,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:20:59,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:20:59,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:20:59,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:20:59,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:20:59,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:20:59,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:20:59,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:20:59,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:20:59,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:20:59,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:20:59,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:20:59,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:20:59,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:20:59,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:20:59,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:20:59,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:20:59,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:20:59,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:20:59,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:20:59,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:20:59,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:20:59,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:20:59,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:20:59,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:20:59,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:20:59,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:20:59,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:20:59,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:20:59,123 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:20:59,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:20:59,123 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:20:59,124 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:20:59,124 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:20:59,124 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:20:59,124 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:20:59,124 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:20:59,125 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:20:59,125 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:20:59,125 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:20:59,125 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:20:59,125 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:20:59,126 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:20:59,126 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:20:59,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:20:59,127 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:20:59,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:20:59,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:20:59,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:20:59,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:20:59,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:20:59,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:20:59,128 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:20:59,128 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:20:59,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:20:59,128 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:20:59,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:20:59,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:20:59,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:20:59,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:20:59,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:20:59,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:20:59,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:20:59,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:20:59,130 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:20:59,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:20:59,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:20:59,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:20:59,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:20:59,130 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_39918fe5-c26c-45e5-b464-72734c45c1dd/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 -> 96fab9ebc0a7c1449817f0fde656dfd4d62824fd [2019-12-07 21:20:59,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:20:59,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:20:59,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:20:59,260 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:20:59,261 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:20:59,261 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2019-12-07 21:20:59,298 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/data/941ae01fc/6d94ab7a05e84ad6acdc20090c493af4/FLAG2c15060d5 [2019-12-07 21:20:59,664 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:20:59,665 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2019-12-07 21:20:59,672 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/data/941ae01fc/6d94ab7a05e84ad6acdc20090c493af4/FLAG2c15060d5 [2019-12-07 21:20:59,681 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/data/941ae01fc/6d94ab7a05e84ad6acdc20090c493af4 [2019-12-07 21:20:59,682 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:20:59,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:20:59,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:20:59,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:20:59,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:20:59,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:20:59" (1/1) ... [2019-12-07 21:20:59,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7762f741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:20:59, skipping insertion in model container [2019-12-07 21:20:59,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:20:59" (1/1) ... [2019-12-07 21:20:59,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:20:59,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:20:59,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:20:59,941 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 21:20:59,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@696dcf6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:20:59, skipping insertion in model container [2019-12-07 21:20:59,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:20:59,942 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 21:20:59,944 INFO L168 Benchmark]: Toolchain (without parser) took 259.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.0 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -118.0 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 21:20:59,944 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:20:59,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.0 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -123.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 21:20:59,946 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 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 257.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.0 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -123.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 68]: 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 21:21:01,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:21:01,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:21:01,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:21:01,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:21:01,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:21:01,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:21:01,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:21:01,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:21:01,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:21:01,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:21:01,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:21:01,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:21:01,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:21:01,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:21:01,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:21:01,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:21:01,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:21:01,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:21:01,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:21:01,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:21:01,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:21:01,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:21:01,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:21:01,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:21:01,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:21:01,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:21:01,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:21:01,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:21:01,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:21:01,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:21:01,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:21:01,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:21:01,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:21:01,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:21:01,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:21:01,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:21:01,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:21:01,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:21:01,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:21:01,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:21:01,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:21:01,122 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:21:01,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:21:01,123 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:21:01,124 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:21:01,124 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:21:01,124 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:21:01,124 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:21:01,124 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:21:01,124 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:21:01,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:21:01,125 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:21:01,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:21:01,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:21:01,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:21:01,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:21:01,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:21:01,126 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:21:01,127 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:21:01,127 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:21:01,127 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:21:01,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:21:01,127 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:21:01,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:21:01,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:21:01,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:21:01,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:21:01,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:21:01,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:21:01,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:21:01,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:21:01,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:21:01,129 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:21:01,129 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:21:01,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:21:01,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:21:01,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:21:01,130 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_39918fe5-c26c-45e5-b464-72734c45c1dd/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 -> 96fab9ebc0a7c1449817f0fde656dfd4d62824fd [2019-12-07 21:21:01,290 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:21:01,300 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:21:01,303 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:21:01,304 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:21:01,304 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:21:01,305 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2019-12-07 21:21:01,344 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/data/d4f0211e8/a4ad5018590c4a2fa5765cf39ae98fcf/FLAG67e99adcb [2019-12-07 21:21:01,736 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:21:01,736 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2019-12-07 21:21:01,745 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/data/d4f0211e8/a4ad5018590c4a2fa5765cf39ae98fcf/FLAG67e99adcb [2019-12-07 21:21:01,754 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/data/d4f0211e8/a4ad5018590c4a2fa5765cf39ae98fcf [2019-12-07 21:21:01,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:21:01,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:21:01,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:21:01,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:21:01,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:21:01,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:21:01" (1/1) ... [2019-12-07 21:21:01,761 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 09:21:01, skipping insertion in model container [2019-12-07 21:21:01,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:21:01" (1/1) ... [2019-12-07 21:21:01,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:21:01,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:21:02,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:21:02,027 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 21:21:02,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:21:02,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:21:02,075 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:21:02,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:21:02,133 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:21:02,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:21:02 WrapperNode [2019-12-07 21:21:02,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:21:02,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:21:02,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:21:02,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:21:02,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:21:02" (1/1) ... [2019-12-07 21:21:02,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:21:02" (1/1) ... [2019-12-07 21:21:02,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:21:02,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:21:02,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:21:02,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:21:02,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:21:02" (1/1) ... [2019-12-07 21:21:02,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:21:02" (1/1) ... [2019-12-07 21:21:02,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:21:02" (1/1) ... [2019-12-07 21:21:02,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:21:02" (1/1) ... [2019-12-07 21:21:02,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:21:02" (1/1) ... [2019-12-07 21:21:02,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:21:02" (1/1) ... [2019-12-07 21:21:02,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:21:02" (1/1) ... [2019-12-07 21:21:02,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:21:02,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:21:02,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:21:02,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:21:02,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:21:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/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 21:21:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:21:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 21:21:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:21:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:21:02,781 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:21:02,781 INFO L287 CfgBuilder]: Removed 158 assume(true) statements. [2019-12-07 21:21:02,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:21:02 BoogieIcfgContainer [2019-12-07 21:21:02,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:21:02,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:21:02,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:21:02,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:21:02,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:21:01" (1/3) ... [2019-12-07 21:21:02,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10e868ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:21:02, skipping insertion in model container [2019-12-07 21:21:02,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:21:02" (2/3) ... [2019-12-07 21:21:02,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10e868ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:21:02, skipping insertion in model container [2019-12-07 21:21:02,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:21:02" (3/3) ... [2019-12-07 21:21:02,787 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50.cil.c [2019-12-07 21:21:02,794 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:21:02,799 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 21:21:02,807 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 21:21:02,824 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:21:02,824 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:21:02,824 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:21:02,824 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:21:02,824 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:21:02,824 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:21:02,824 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:21:02,825 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:21:02,836 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-12-07 21:21:02,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 21:21:02,841 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:21:02,841 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:21:02,842 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:21:02,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:21:02,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1800894747, now seen corresponding path program 1 times [2019-12-07 21:21:02,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:21:02,854 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1859079098] [2019-12-07 21:21:02,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/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 21:21:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:21:02,977 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 21:21:02,981 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:21:02,990 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 21:21:02,991 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:21:02,994 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 21:21:02,995 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1859079098] [2019-12-07 21:21:02,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:21:02,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:21:02,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890103480] [2019-12-07 21:21:02,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:21:02,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:21:03,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:21:03,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:21:03,009 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-12-07 21:21:03,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:21:03,031 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2019-12-07 21:21:03,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:21:03,032 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 21:21:03,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:21:03,040 INFO L225 Difference]: With dead ends: 228 [2019-12-07 21:21:03,040 INFO L226 Difference]: Without dead ends: 113 [2019-12-07 21:21:03,043 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:21:03,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-12-07 21:21:03,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-12-07 21:21:03,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-12-07 21:21:03,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2019-12-07 21:21:03,074 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2019-12-07 21:21:03,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:21:03,074 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2019-12-07 21:21:03,074 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:21:03,074 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2019-12-07 21:21:03,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 21:21:03,075 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:21:03,075 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:21:03,276 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 21:21:03,277 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:21:03,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:21:03,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1447315652, now seen corresponding path program 1 times [2019-12-07 21:21:03,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:21:03,280 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717152051] [2019-12-07 21:21:03,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/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 21:21:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:21:03,479 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:21:03,481 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:21:03,494 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 21:21:03,495 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:21:03,504 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 21:21:03,504 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [717152051] [2019-12-07 21:21:03,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:21:03,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 21:21:03,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176361738] [2019-12-07 21:21:03,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:21:03,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:21:03,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:21:03,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:21:03,507 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 4 states. [2019-12-07 21:21:03,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:21:03,519 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-12-07 21:21:03,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:21:03,520 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 21:21:03,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:21:03,520 INFO L225 Difference]: With dead ends: 113 [2019-12-07 21:21:03,520 INFO L226 Difference]: Without dead ends: 47 [2019-12-07 21:21:03,521 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:21:03,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-12-07 21:21:03,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-12-07 21:21:03,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-12-07 21:21:03,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2019-12-07 21:21:03,526 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2019-12-07 21:21:03,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:21:03,526 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2019-12-07 21:21:03,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:21:03,526 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2019-12-07 21:21:03,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 21:21:03,527 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:21:03,527 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] [2019-12-07 21:21:03,727 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 21:21:03,727 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:21:03,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:21:03,728 INFO L82 PathProgramCache]: Analyzing trace with hash -230586389, now seen corresponding path program 1 times [2019-12-07 21:21:03,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:21:03,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [937123306] [2019-12-07 21:21:03,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/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 21:21:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:21:03,844 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:21:03,846 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:21:03,852 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 21:21:03,852 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:21:03,858 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 21:21:03,858 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [937123306] [2019-12-07 21:21:03,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:21:03,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 21:21:03,859 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102666118] [2019-12-07 21:21:03,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:21:03,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:21:03,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:21:03,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:21:03,860 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 4 states. [2019-12-07 21:21:03,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:21:03,894 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2019-12-07 21:21:03,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:21:03,895 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 21:21:03,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:21:03,895 INFO L225 Difference]: With dead ends: 88 [2019-12-07 21:21:03,896 INFO L226 Difference]: Without dead ends: 47 [2019-12-07 21:21:03,896 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:21:03,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-12-07 21:21:03,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-12-07 21:21:03,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-12-07 21:21:03,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-12-07 21:21:03,901 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2019-12-07 21:21:03,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:21:03,901 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-12-07 21:21:03,901 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:21:03,901 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-12-07 21:21:03,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 21:21:03,902 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:21:03,902 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] [2019-12-07 21:21:04,102 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 21:21:04,103 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:21:04,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:21:04,104 INFO L82 PathProgramCache]: Analyzing trace with hash -108421843, now seen corresponding path program 1 times [2019-12-07 21:21:04,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:21:04,106 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [205097812] [2019-12-07 21:21:04,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/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 21:21:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:21:04,268 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:21:04,269 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:21:04,274 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 21:21:04,275 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:21:04,277 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 21:21:04,278 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [205097812] [2019-12-07 21:21:04,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:21:04,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 21:21:04,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224789836] [2019-12-07 21:21:04,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:21:04,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:21:04,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:21:04,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:21:04,280 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-12-07 21:21:04,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:21:04,333 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2019-12-07 21:21:04,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:21:04,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 21:21:04,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:21:04,335 INFO L225 Difference]: With dead ends: 109 [2019-12-07 21:21:04,335 INFO L226 Difference]: Without dead ends: 68 [2019-12-07 21:21:04,336 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:21:04,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-12-07 21:21:04,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2019-12-07 21:21:04,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-12-07 21:21:04,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2019-12-07 21:21:04,342 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2019-12-07 21:21:04,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:21:04,343 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2019-12-07 21:21:04,343 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:21:04,343 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2019-12-07 21:21:04,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 21:21:04,344 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:21:04,344 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] [2019-12-07 21:21:04,544 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 21:21:04,546 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:21:04,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:21:04,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1619186466, now seen corresponding path program 1 times [2019-12-07 21:21:04,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:21:04,549 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [819124660] [2019-12-07 21:21:04,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/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 21:21:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:21:04,720 INFO L264 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:21:04,721 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:21:04,734 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 21:21:04,734 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:21:04,740 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 21:21:04,740 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [819124660] [2019-12-07 21:21:04,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:21:04,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 21:21:04,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042691614] [2019-12-07 21:21:04,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:21:04,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:21:04,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:21:04,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 21:21:04,741 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand 5 states. [2019-12-07 21:21:04,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:21:04,793 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2019-12-07 21:21:04,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 21:21:04,794 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-12-07 21:21:04,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:21:04,794 INFO L225 Difference]: With dead ends: 175 [2019-12-07 21:21:04,795 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 21:21:04,795 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 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 21:21:04,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 21:21:04,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2019-12-07 21:21:04,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-12-07 21:21:04,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2019-12-07 21:21:04,803 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2019-12-07 21:21:04,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:21:04,803 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2019-12-07 21:21:04,803 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:21:04,803 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2019-12-07 21:21:04,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 21:21:04,804 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:21:04,804 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] [2019-12-07 21:21:05,004 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 21:21:05,005 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:21:05,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:21:05,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1043324577, now seen corresponding path program 1 times [2019-12-07 21:21:05,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:21:05,008 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [279891433] [2019-12-07 21:21:05,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/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 21:21:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:21:05,166 INFO L264 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:21:05,168 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:21:05,185 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 21:21:05,185 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:21:05,213 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 21:21:05,213 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [279891433] [2019-12-07 21:21:05,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:21:05,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 21:21:05,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981950238] [2019-12-07 21:21:05,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 21:21:05,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:21:05,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 21:21:05,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 21:21:05,214 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 8 states. [2019-12-07 21:21:05,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:21:05,457 INFO L93 Difference]: Finished difference Result 536 states and 758 transitions. [2019-12-07 21:21:05,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 21:21:05,457 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2019-12-07 21:21:05,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:21:05,459 INFO L225 Difference]: With dead ends: 536 [2019-12-07 21:21:05,460 INFO L226 Difference]: Without dead ends: 470 [2019-12-07 21:21:05,460 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 21:21:05,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2019-12-07 21:21:05,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 173. [2019-12-07 21:21:05,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-12-07 21:21:05,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2019-12-07 21:21:05,478 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 30 [2019-12-07 21:21:05,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:21:05,478 INFO L462 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2019-12-07 21:21:05,478 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 21:21:05,479 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2019-12-07 21:21:05,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-07 21:21:05,480 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:21:05,480 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:21:05,681 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 21:21:05,682 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:21:05,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:21:05,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1625643979, now seen corresponding path program 1 times [2019-12-07 21:21:05,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:21:05,684 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1086263767] [2019-12-07 21:21:05,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/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 21:21:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:21:05,838 INFO L264 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 21:21:05,840 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:21:05,848 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 21:21:05,848 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:21:05,859 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 21:21:05,860 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1086263767] [2019-12-07 21:21:05,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:21:05,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 21:21:05,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142156785] [2019-12-07 21:21:05,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 21:21:05,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:21:05,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 21:21:05,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 21:21:05,861 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand 6 states. [2019-12-07 21:21:05,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:21:05,907 INFO L93 Difference]: Finished difference Result 407 states and 551 transitions. [2019-12-07 21:21:05,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 21:21:05,907 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2019-12-07 21:21:05,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:21:05,909 INFO L225 Difference]: With dead ends: 407 [2019-12-07 21:21:05,909 INFO L226 Difference]: Without dead ends: 240 [2019-12-07 21:21:05,909 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 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 21:21:05,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2019-12-07 21:21:05,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 152. [2019-12-07 21:21:05,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-12-07 21:21:05,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 202 transitions. [2019-12-07 21:21:05,928 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 202 transitions. Word has length 50 [2019-12-07 21:21:05,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:21:05,928 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 202 transitions. [2019-12-07 21:21:05,928 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 21:21:05,928 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 202 transitions. [2019-12-07 21:21:05,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-07 21:21:05,931 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:21:05,931 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:21:06,131 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 21:21:06,133 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:21:06,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:21:06,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1653055247, now seen corresponding path program 1 times [2019-12-07 21:21:06,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:21:06,135 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1660743425] [2019-12-07 21:21:06,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/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 21:21:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:21:06,290 INFO L264 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 21:21:06,291 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:21:06,313 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 21:21:06,314 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:21:06,317 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:21:06,333 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 21:21:06,333 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1660743425] [2019-12-07 21:21:06,334 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [115839595] [2019-12-07 21:21:06,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 21:21:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:21:06,428 INFO L264 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:21:06,429 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:21:06,454 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 21:21:06,454 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:21:06,458 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 21:21:06,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 21:21:06,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 11 [2019-12-07 21:21:06,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578045085] [2019-12-07 21:21:06,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:21:06,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:21:06,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:21:06,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-12-07 21:21:06,460 INFO L87 Difference]: Start difference. First operand 152 states and 202 transitions. Second operand 5 states. [2019-12-07 21:21:06,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:21:06,516 INFO L93 Difference]: Finished difference Result 514 states and 704 transitions. [2019-12-07 21:21:06,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 21:21:06,517 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-07 21:21:06,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:21:06,518 INFO L225 Difference]: With dead ends: 514 [2019-12-07 21:21:06,519 INFO L226 Difference]: Without dead ends: 392 [2019-12-07 21:21:06,519 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-12-07 21:21:06,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2019-12-07 21:21:06,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 158. [2019-12-07 21:21:06,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-12-07 21:21:06,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 208 transitions. [2019-12-07 21:21:06,532 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 208 transitions. Word has length 51 [2019-12-07 21:21:06,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:21:06,533 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 208 transitions. [2019-12-07 21:21:06,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:21:06,533 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 208 transitions. [2019-12-07 21:21:06,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-07 21:21:06,534 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:21:06,534 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:21:06,935 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 21:21:06,936 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:21:06,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:21:06,937 INFO L82 PathProgramCache]: Analyzing trace with hash -2046082257, now seen corresponding path program 1 times [2019-12-07 21:21:06,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:21:06,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026361199] [2019-12-07 21:21:06,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/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 21:21:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:21:07,045 INFO L264 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 21:21:07,046 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:21:07,069 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 21:21:07,070 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:21:07,098 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 21:21:07,098 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026361199] [2019-12-07 21:21:07,098 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [95131077] [2019-12-07 21:21:07,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/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 21:21:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:21:07,197 INFO L264 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:21:07,199 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:21:07,228 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 21:21:07,228 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:21:07,231 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 21:21:07,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 21:21:07,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 13 [2019-12-07 21:21:07,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510935822] [2019-12-07 21:21:07,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:21:07,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:21:07,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:21:07,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-12-07 21:21:07,232 INFO L87 Difference]: Start difference. First operand 158 states and 208 transitions. Second operand 5 states. [2019-12-07 21:21:07,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:21:07,385 INFO L93 Difference]: Finished difference Result 414 states and 551 transitions. [2019-12-07 21:21:07,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 21:21:07,386 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-07 21:21:07,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:21:07,388 INFO L225 Difference]: With dead ends: 414 [2019-12-07 21:21:07,388 INFO L226 Difference]: Without dead ends: 412 [2019-12-07 21:21:07,388 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2019-12-07 21:21:07,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2019-12-07 21:21:07,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 158. [2019-12-07 21:21:07,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-12-07 21:21:07,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2019-12-07 21:21:07,400 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 51 [2019-12-07 21:21:07,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:21:07,400 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2019-12-07 21:21:07,400 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:21:07,400 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2019-12-07 21:21:07,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-07 21:21:07,401 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:21:07,401 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:21:07,802 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk,11 mathsat -unsat_core_generation=3 [2019-12-07 21:21:07,803 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:21:07,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:21:07,803 INFO L82 PathProgramCache]: Analyzing trace with hash 772811102, now seen corresponding path program 1 times [2019-12-07 21:21:07,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:21:07,805 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1212238514] [2019-12-07 21:21:07,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-12-07 21:21:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:21:07,946 INFO L264 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 21:21:07,948 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:21:07,973 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 21:21:07,973 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:21:07,975 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:21:07,996 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 21:21:07,996 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1212238514] [2019-12-07 21:21:07,996 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [909479304] [2019-12-07 21:21:07,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 21:21:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:21:08,089 INFO L264 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 21:21:08,091 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:21:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 21:21:08,131 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:21:08,162 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 21:21:08,163 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076349955] [2019-12-07 21:21:08,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 21:21:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:21:08,278 INFO L264 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 21:21:08,279 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:21:08,289 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 21:21:08,289 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:21:08,293 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 21:21:08,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 21:21:08,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 12 [2019-12-07 21:21:08,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271416988] [2019-12-07 21:21:08,294 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 21:21:08,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:21:08,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 21:21:08,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2019-12-07 21:21:08,295 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand 13 states. [2019-12-07 21:21:09,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:21:09,926 INFO L93 Difference]: Finished difference Result 1838 states and 2480 transitions. [2019-12-07 21:21:09,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2019-12-07 21:21:09,926 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 52 [2019-12-07 21:21:09,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:21:09,933 INFO L225 Difference]: With dead ends: 1838 [2019-12-07 21:21:09,933 INFO L226 Difference]: Without dead ends: 1710 [2019-12-07 21:21:09,936 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 292 SyntacticMatches, 3 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2224 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1070, Invalid=4936, Unknown=0, NotChecked=0, Total=6006 [2019-12-07 21:21:09,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2019-12-07 21:21:09,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 280. [2019-12-07 21:21:09,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-12-07 21:21:09,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 374 transitions. [2019-12-07 21:21:09,964 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 374 transitions. Word has length 52 [2019-12-07 21:21:09,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:21:09,964 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 374 transitions. [2019-12-07 21:21:09,964 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 21:21:09,964 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 374 transitions. [2019-12-07 21:21:09,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-07 21:21:09,964 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:21:09,965 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:21:10,566 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3,14 cvc4 --incremental --print-success --lang smt --rewrite-divk,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 21:21:10,568 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:21:10,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:21:10,569 INFO L82 PathProgramCache]: Analyzing trace with hash -830140074, now seen corresponding path program 1 times [2019-12-07 21:21:10,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:21:10,570 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1235179474] [2019-12-07 21:21:10,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2019-12-07 21:21:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:21:10,683 INFO L264 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:21:10,684 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:21:10,699 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 21:21:10,699 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:21:10,720 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 21:21:10,720 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1235179474] [2019-12-07 21:21:10,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:21:10,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 21:21:10,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889236368] [2019-12-07 21:21:10,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 21:21:10,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:21:10,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 21:21:10,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 21:21:10,721 INFO L87 Difference]: Start difference. First operand 280 states and 374 transitions. Second operand 8 states. [2019-12-07 21:21:10,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:21:10,765 INFO L93 Difference]: Finished difference Result 447 states and 589 transitions. [2019-12-07 21:21:10,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 21:21:10,766 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 73 [2019-12-07 21:21:10,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:21:10,766 INFO L225 Difference]: With dead ends: 447 [2019-12-07 21:21:10,766 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 21:21:10,767 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 21:21:10,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 21:21:10,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 21:21:10,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 21:21:10,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 21:21:10,767 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2019-12-07 21:21:10,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:21:10,768 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 21:21:10,768 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 21:21:10,768 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 21:21:10,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 21:21:10,968 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-12-07 21:21:10,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 21:21:11,135 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 72 [2019-12-07 21:21:11,342 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 120 [2019-12-07 21:21:11,987 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 31 [2019-12-07 21:21:12,203 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 24 [2019-12-07 21:21:12,782 WARN L192 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 34 [2019-12-07 21:21:13,405 WARN L192 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 34 [2019-12-07 21:21:14,020 WARN L192 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 35 [2019-12-07 21:21:14,608 WARN L192 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 39 [2019-12-07 21:21:15,215 WARN L192 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 32 [2019-12-07 21:21:16,268 WARN L192 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 119 DAG size of output: 34 [2019-12-07 21:21:16,869 WARN L192 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 30 [2019-12-07 21:21:16,878 INFO L246 CegarLoopResult]: For program point L861(lines 861 865) no Hoare annotation was computed. [2019-12-07 21:21:16,878 INFO L246 CegarLoopResult]: For program point L861-2(lines 861 865) no Hoare annotation was computed. [2019-12-07 21:21:16,878 INFO L246 CegarLoopResult]: For program point L861-3(lines 861 865) no Hoare annotation was computed. [2019-12-07 21:21:16,878 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-12-07 21:21:16,878 INFO L246 CegarLoopResult]: For program point L861-5(lines 861 865) no Hoare annotation was computed. [2019-12-07 21:21:16,879 INFO L242 CegarLoopResult]: At program point L663(lines 658 666) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv0 32) ~pumpRunning~0) .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse1))) [2019-12-07 21:21:16,879 INFO L246 CegarLoopResult]: For program point L861-6(lines 861 865) no Hoare annotation was computed. [2019-12-07 21:21:16,879 INFO L242 CegarLoopResult]: At program point L663-1(lines 658 666) the Hoare annotation is: false [2019-12-07 21:21:16,879 INFO L246 CegarLoopResult]: For program point L861-8(lines 861 865) no Hoare annotation was computed. [2019-12-07 21:21:16,879 INFO L242 CegarLoopResult]: At program point L663-2(lines 658 666) the Hoare annotation is: false [2019-12-07 21:21:16,879 INFO L246 CegarLoopResult]: For program point L861-9(lines 861 865) no Hoare annotation was computed. [2019-12-07 21:21:16,879 INFO L242 CegarLoopResult]: At program point L498(lines 494 500) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 21:21:16,879 INFO L246 CegarLoopResult]: For program point L861-11(lines 861 865) no Hoare annotation was computed. [2019-12-07 21:21:16,879 INFO L246 CegarLoopResult]: For program point L861-12(lines 861 865) no Hoare annotation was computed. [2019-12-07 21:21:16,879 INFO L246 CegarLoopResult]: For program point L861-14(lines 861 865) no Hoare annotation was computed. [2019-12-07 21:21:16,879 INFO L246 CegarLoopResult]: For program point L861-15(lines 861 865) no Hoare annotation was computed. [2019-12-07 21:21:16,879 INFO L246 CegarLoopResult]: For program point L861-17(lines 861 865) no Hoare annotation was computed. [2019-12-07 21:21:16,879 INFO L246 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2019-12-07 21:21:16,879 INFO L246 CegarLoopResult]: For program point L763-1(lines 763 771) no Hoare annotation was computed. [2019-12-07 21:21:16,879 INFO L246 CegarLoopResult]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2019-12-07 21:21:16,880 INFO L246 CegarLoopResult]: For program point L929(lines 929 935) no Hoare annotation was computed. [2019-12-07 21:21:16,880 INFO L242 CegarLoopResult]: At program point L929-1(lines 929 935) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32)))) (and .cse3 .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2) (and (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) .cse3 .cse4 .cse0 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2019-12-07 21:21:16,880 INFO L249 CegarLoopResult]: At program point L534(lines 515 537) the Hoare annotation is: true [2019-12-07 21:21:16,880 INFO L246 CegarLoopResult]: For program point L733(lines 733 750) no Hoare annotation was computed. [2019-12-07 21:21:16,880 INFO L246 CegarLoopResult]: For program point L733-1(lines 733 750) no Hoare annotation was computed. [2019-12-07 21:21:16,880 INFO L246 CegarLoopResult]: For program point L733-2(lines 733 750) no Hoare annotation was computed. [2019-12-07 21:21:16,880 INFO L246 CegarLoopResult]: For program point L733-3(lines 733 750) no Hoare annotation was computed. [2019-12-07 21:21:16,880 INFO L246 CegarLoopResult]: For program point L733-4(lines 733 750) no Hoare annotation was computed. [2019-12-07 21:21:16,880 INFO L246 CegarLoopResult]: For program point L733-5(lines 733 750) no Hoare annotation was computed. [2019-12-07 21:21:16,880 INFO L242 CegarLoopResult]: At program point L701(lines 700 719) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse3 .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32)))) (and .cse0 .cse3 .cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2))) [2019-12-07 21:21:16,880 INFO L246 CegarLoopResult]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2019-12-07 21:21:16,880 INFO L242 CegarLoopResult]: At program point L701-2(lines 700 719) the Hoare annotation is: false [2019-12-07 21:21:16,880 INFO L242 CegarLoopResult]: At program point L701-3(lines 700 719) the Hoare annotation is: false [2019-12-07 21:21:16,880 INFO L242 CegarLoopResult]: At program point L867(lines 852 870) the Hoare annotation is: false [2019-12-07 21:21:16,881 INFO L242 CegarLoopResult]: At program point L867-1(lines 852 870) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv4294967295 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse6 .cse7) (and .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse6) (and .cse0 .cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2 .cse3 .cse4 .cse5 .cse6 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) .cse7))) [2019-12-07 21:21:16,881 INFO L242 CegarLoopResult]: At program point L867-2(lines 852 870) the Hoare annotation is: false [2019-12-07 21:21:16,881 INFO L242 CegarLoopResult]: At program point L867-3(lines 852 870) the Hoare annotation is: false [2019-12-07 21:21:16,881 INFO L242 CegarLoopResult]: At program point L867-4(lines 852 870) the Hoare annotation is: false [2019-12-07 21:21:16,881 INFO L242 CegarLoopResult]: At program point L867-5(lines 852 870) the Hoare annotation is: false [2019-12-07 21:21:16,881 INFO L242 CegarLoopResult]: At program point L570(lines 1 964) 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 21:21:16,881 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-12-07 21:21:16,881 INFO L246 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2019-12-07 21:21:16,881 INFO L246 CegarLoopResult]: For program point L737-1(lines 737 745) no Hoare annotation was computed. [2019-12-07 21:21:16,881 INFO L246 CegarLoopResult]: For program point L671(lines 671 677) no Hoare annotation was computed. [2019-12-07 21:21:16,881 INFO L246 CegarLoopResult]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2019-12-07 21:21:16,881 INFO L246 CegarLoopResult]: For program point L671-1(lines 671 677) no Hoare annotation was computed. [2019-12-07 21:21:16,882 INFO L246 CegarLoopResult]: For program point L737-3(lines 737 745) no Hoare annotation was computed. [2019-12-07 21:21:16,882 INFO L246 CegarLoopResult]: For program point L671-2(lines 671 677) no Hoare annotation was computed. [2019-12-07 21:21:16,882 INFO L246 CegarLoopResult]: For program point L737-4(lines 737 745) no Hoare annotation was computed. [2019-12-07 21:21:16,882 INFO L246 CegarLoopResult]: For program point L671-3(lines 671 677) no Hoare annotation was computed. [2019-12-07 21:21:16,882 INFO L246 CegarLoopResult]: For program point L737-5(lines 737 745) no Hoare annotation was computed. [2019-12-07 21:21:16,882 INFO L246 CegarLoopResult]: For program point L671-4(lines 671 677) no Hoare annotation was computed. [2019-12-07 21:21:16,882 INFO L246 CegarLoopResult]: For program point L671-5(lines 671 677) no Hoare annotation was computed. [2019-12-07 21:21:16,882 INFO L246 CegarLoopResult]: For program point L606(lines 606 610) no Hoare annotation was computed. [2019-12-07 21:21:16,882 INFO L246 CegarLoopResult]: For program point L939(lines 939 952) no Hoare annotation was computed. [2019-12-07 21:21:16,882 INFO L242 CegarLoopResult]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse1) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2 .cse3 .cse0 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32)))) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse2 .cse0 .cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv4294967295 32)))))) [2019-12-07 21:21:16,882 INFO L242 CegarLoopResult]: At program point L708-1(lines 708 714) the Hoare annotation is: false [2019-12-07 21:21:16,882 INFO L242 CegarLoopResult]: At program point L708-2(lines 708 714) the Hoare annotation is: false [2019-12-07 21:21:16,883 INFO L246 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2019-12-07 21:21:16,883 INFO L246 CegarLoopResult]: For program point L543-1(line 543) no Hoare annotation was computed. [2019-12-07 21:21:16,883 INFO L246 CegarLoopResult]: For program point L543-2(line 543) no Hoare annotation was computed. [2019-12-07 21:21:16,883 INFO L242 CegarLoopResult]: At program point L676(lines 667 680) the Hoare annotation is: false [2019-12-07 21:21:16,883 INFO L242 CegarLoopResult]: At program point L676-1(lines 667 680) the Hoare annotation is: (let ((.cse3 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and .cse3 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse4 .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32)))) (and .cse3 .cse0 .cse1 .cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2))) [2019-12-07 21:21:16,883 INFO L242 CegarLoopResult]: At program point L676-2(lines 667 680) the Hoare annotation is: false [2019-12-07 21:21:16,883 INFO L242 CegarLoopResult]: At program point L676-3(lines 667 680) the Hoare annotation is: false [2019-12-07 21:21:16,883 INFO L242 CegarLoopResult]: At program point L676-4(lines 667 680) the Hoare annotation is: false [2019-12-07 21:21:16,883 INFO L242 CegarLoopResult]: At program point L676-5(lines 667 680) the Hoare annotation is: false [2019-12-07 21:21:16,883 INFO L242 CegarLoopResult]: At program point L578(lines 573 581) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 21:21:16,883 INFO L242 CegarLoopResult]: At program point L447-2(lines 447 461) the Hoare annotation is: false [2019-12-07 21:21:16,884 INFO L246 CegarLoopResult]: For program point L910(lines 909 956) no Hoare annotation was computed. [2019-12-07 21:21:16,884 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-12-07 21:21:16,884 INFO L246 CegarLoopResult]: For program point L911(lines 911 915) no Hoare annotation was computed. [2019-12-07 21:21:16,884 INFO L242 CegarLoopResult]: At program point L812(lines 807 815) the Hoare annotation is: false [2019-12-07 21:21:16,884 INFO L242 CegarLoopResult]: At program point L812-1(lines 807 815) the Hoare annotation is: false [2019-12-07 21:21:16,884 INFO L242 CegarLoopResult]: At program point L812-2(lines 807 815) the Hoare annotation is: false [2019-12-07 21:21:16,884 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 21:21:16,884 INFO L246 CegarLoopResult]: For program point L417(lines 417 430) no Hoare annotation was computed. [2019-12-07 21:21:16,884 INFO L242 CegarLoopResult]: At program point L417-1(lines 1 964) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32)))) (and .cse2 .cse3 .cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse1) (and (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3 .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2019-12-07 21:21:16,884 INFO L246 CegarLoopResult]: For program point L417-2(lines 417 430) no Hoare annotation was computed. [2019-12-07 21:21:16,884 INFO L242 CegarLoopResult]: At program point L417-3(lines 1 964) the Hoare annotation is: false [2019-12-07 21:21:16,884 INFO L246 CegarLoopResult]: For program point L417-4(lines 417 430) no Hoare annotation was computed. [2019-12-07 21:21:16,884 INFO L242 CegarLoopResult]: At program point L417-5(lines 1 964) the Hoare annotation is: false [2019-12-07 21:21:16,884 INFO L246 CegarLoopResult]: For program point L880(lines 880 884) no Hoare annotation was computed. [2019-12-07 21:21:16,885 INFO L246 CegarLoopResult]: For program point L880-2(lines 880 884) no Hoare annotation was computed. [2019-12-07 21:21:16,885 INFO L246 CegarLoopResult]: For program point L880-3(lines 880 884) no Hoare annotation was computed. [2019-12-07 21:21:16,885 INFO L246 CegarLoopResult]: For program point L880-5(lines 880 884) no Hoare annotation was computed. [2019-12-07 21:21:16,885 INFO L246 CegarLoopResult]: For program point L880-6(lines 880 884) no Hoare annotation was computed. [2019-12-07 21:21:16,885 INFO L246 CegarLoopResult]: For program point L880-8(lines 880 884) no Hoare annotation was computed. [2019-12-07 21:21:16,885 INFO L246 CegarLoopResult]: For program point L451(lines 451 455) no Hoare annotation was computed. [2019-12-07 21:21:16,885 INFO L246 CegarLoopResult]: For program point L451-1(lines 701 707) no Hoare annotation was computed. [2019-12-07 21:21:16,885 INFO L246 CegarLoopResult]: For program point L947(lines 947 951) no Hoare annotation was computed. [2019-12-07 21:21:16,885 INFO L242 CegarLoopResult]: At program point L947-2(lines 701 707) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32)))) (and .cse3 .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2) (and (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) .cse3 .cse4 .cse0 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2019-12-07 21:21:16,885 INFO L246 CegarLoopResult]: For program point L618(lines 618 622) no Hoare annotation was computed. [2019-12-07 21:21:16,885 INFO L246 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2019-12-07 21:21:16,885 INFO L246 CegarLoopResult]: For program point L421-2(lines 421 427) no Hoare annotation was computed. [2019-12-07 21:21:16,885 INFO L246 CegarLoopResult]: For program point L421-4(lines 421 427) no Hoare annotation was computed. [2019-12-07 21:21:16,885 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 21:21:16,885 INFO L242 CegarLoopResult]: At program point L686(lines 681 689) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32)))) [2019-12-07 21:21:16,885 INFO L242 CegarLoopResult]: At program point L686-1(lines 681 689) the Hoare annotation is: false [2019-12-07 21:21:16,885 INFO L242 CegarLoopResult]: At program point L686-2(lines 681 689) the Hoare annotation is: false [2019-12-07 21:21:16,885 INFO L246 CegarLoopResult]: For program point L919(lines 919 925) no Hoare annotation was computed. [2019-12-07 21:21:16,886 INFO L242 CegarLoopResult]: At program point L919-1(lines 919 925) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32)))) (and .cse3 .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2) (and (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) .cse3 .cse4 .cse0 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2019-12-07 21:21:16,886 INFO L242 CegarLoopResult]: At program point L886(lines 871 889) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32)))) [2019-12-07 21:21:16,886 INFO L242 CegarLoopResult]: At program point L886-1(lines 871 889) the Hoare annotation is: false [2019-12-07 21:21:16,886 INFO L242 CegarLoopResult]: At program point L886-2(lines 871 889) the Hoare annotation is: false [2019-12-07 21:21:16,886 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 21:21:16,886 INFO L246 CegarLoopResult]: For program point L525(lines 525 532) no Hoare annotation was computed. [2019-12-07 21:21:16,886 INFO L249 CegarLoopResult]: At program point L525-1(lines 525 532) the Hoare annotation is: true [2019-12-07 21:21:16,886 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 21:21:16,886 INFO L242 CegarLoopResult]: At program point L957(lines 908 958) the Hoare annotation is: false [2019-12-07 21:21:16,886 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-12-07 21:21:16,886 INFO L246 CegarLoopResult]: For program point L759(lines 759 776) no Hoare annotation was computed. [2019-12-07 21:21:16,886 INFO L246 CegarLoopResult]: For program point L759-1(lines 759 776) no Hoare annotation was computed. [2019-12-07 21:21:16,886 INFO L246 CegarLoopResult]: For program point L759-2(lines 759 776) no Hoare annotation was computed. [2019-12-07 21:21:16,886 INFO L246 CegarLoopResult]: For program point L594(lines 594 598) no Hoare annotation was computed. [2019-12-07 21:21:16,886 INFO L246 CegarLoopResult]: For program point L594-3(lines 594 598) no Hoare annotation was computed. [2019-12-07 21:21:16,886 INFO L246 CegarLoopResult]: For program point L594-6(lines 594 598) no Hoare annotation was computed. [2019-12-07 21:21:16,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:21:16 BoogieIcfgContainer [2019-12-07 21:21:16,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:21:16,906 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:21:16,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:21:16,907 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:21:16,907 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:21:02" (3/4) ... [2019-12-07 21:21:16,910 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 21:21:16,921 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 21:21:16,922 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 21:21:16,923 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 21:21:16,923 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 21:21:16,924 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 21:21:16,925 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:21:16,925 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:21:16,944 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-12-07 21:21:16,944 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-12-07 21:21:16,944 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) [2019-12-07 21:21:16,945 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) [2019-12-07 21:21:16,945 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) [2019-12-07 21:21:16,945 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) [2019-12-07 21:21:16,945 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 21:21:16,945 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((!(0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || ((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) [2019-12-07 21:21:16,946 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) || (((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) [2019-12-07 21:21:16,947 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32) [2019-12-07 21:21:16,947 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 21:21:16,947 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(tmp___0, 4294967295bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32) [2019-12-07 21:21:16,948 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((((((((1bv32 == \result && 0bv32 == pumpRunning) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) [2019-12-07 21:21:16,986 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_39918fe5-c26c-45e5-b464-72734c45c1dd/bin/utaipan/witness.graphml [2019-12-07 21:21:16,986 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:21:16,987 INFO L168 Benchmark]: Toolchain (without parser) took 15230.88 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 349.2 MB). Free memory was 951.0 MB in the beginning and 829.6 MB in the end (delta: 121.5 MB). Peak memory consumption was 470.6 MB. Max. memory is 11.5 GB. [2019-12-07 21:21:16,987 INFO L168 Benchmark]: CDTParser took 0.16 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 21:21:16,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:21:16,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 21:21:16,988 INFO L168 Benchmark]: Boogie Preprocessor took 31.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:21:16,988 INFO L168 Benchmark]: RCFGBuilder took 571.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.3 MB). Peak memory consumption was 83.3 MB. Max. memory is 11.5 GB. [2019-12-07 21:21:16,989 INFO L168 Benchmark]: TraceAbstraction took 14123.49 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 217.1 MB). Free memory was 1.0 GB in the beginning and 840.3 MB in the end (delta: 176.1 MB). Peak memory consumption was 395.0 MB. Max. memory is 11.5 GB. [2019-12-07 21:21:16,989 INFO L168 Benchmark]: Witness Printer took 79.85 ms. Allocated memory is still 1.4 GB. Free memory was 840.3 MB in the beginning and 829.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:21:16,990 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 377.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 571.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.3 MB). Peak memory consumption was 83.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14123.49 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 217.1 MB). Free memory was 1.0 GB in the beginning and 840.3 MB in the end (delta: 176.1 MB). Peak memory consumption was 395.0 MB. Max. memory is 11.5 GB. * Witness Printer took 79.85 ms. Allocated memory is still 1.4 GB. Free memory was 840.3 MB in the beginning and 829.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 543]: 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: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) || (((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(tmp___0, 4294967295bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((!(0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || ((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (((((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((((((((1bv32 == \result && 0bv32 == pumpRunning) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Result: SAFE, OverallTime: 8.1s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, HoareTripleCheckerStatistics: 1235 SDtfs, 3882 SDslu, 3738 SDs, 0 SdLazy, 848 SolverSat, 183 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1308 GetRequests, 1165 SyntacticMatches, 4 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2286 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=280occurred 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, 2348 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 110 NumberOfFragments, 790 HoareAnnotationTreeSize, 43 FomulaSimplifications, 908395 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 43 FomulaSimplificationsInter, 194645 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 622 NumberOfCodeBlocks, 622 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1214 ConstructedInterpolants, 0 QuantifiedInterpolants, 143311 SizeOfPredicates, 44 NumberOfNonLiveVariables, 3172 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 30 InterpolantComputations, 20 PerfectInterpolantSequences, 244/322 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...