./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product05.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_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/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 229890f5f6e9af6d15d776f98b90421cce07d395 ...................................................................................................................................... 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_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/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 229890f5f6e9af6d15d776f98b90421cce07d395 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:24:03,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:24:03,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:24:03,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:24:03,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:24:03,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:24:03,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:24:03,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:24:03,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:24:03,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:24:03,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:24:03,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:24:03,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:24:03,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:24:03,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:24:03,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:24:03,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:24:03,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:24:03,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:24:03,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:24:03,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:24:03,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:24:03,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:24:03,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:24:03,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:24:03,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:24:03,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:24:03,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:24:03,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:24:03,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:24:03,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:24:03,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:24:03,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:24:03,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:24:03,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:24:03,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:24:03,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:24:03,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:24:03,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:24:03,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:24:03,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:24:03,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:24:03,173 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:24:03,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:24:03,174 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:24:03,174 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:24:03,175 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:24:03,175 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:24:03,175 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:24:03,175 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:24:03,175 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:24:03,176 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:24:03,176 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:24:03,176 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:24:03,176 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:24:03,176 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:24:03,177 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:24:03,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:24:03,177 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:24:03,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:24:03,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:24:03,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:24:03,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:24:03,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:24:03,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:24:03,179 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:24:03,179 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:24:03,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:24:03,179 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:24:03,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:24:03,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:24:03,179 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:24:03,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:24:03,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:24:03,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:24:03,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:24:03,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:24:03,180 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:24:03,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:24:03,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:24:03,181 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:24:03,181 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:24:03,181 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_c3884af8-0585-4e21-b15e-8236cc508c8b/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 -> 229890f5f6e9af6d15d776f98b90421cce07d395 [2019-12-07 20:24:03,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:24:03,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:24:03,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:24:03,296 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:24:03,297 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:24:03,297 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c [2019-12-07 20:24:03,339 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/data/b7a9f4a1a/ccb558f6accd4030bbe9c00608c74a82/FLAGc6c52d803 [2019-12-07 20:24:03,777 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:24:03,777 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c [2019-12-07 20:24:03,785 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/data/b7a9f4a1a/ccb558f6accd4030bbe9c00608c74a82/FLAGc6c52d803 [2019-12-07 20:24:03,794 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/data/b7a9f4a1a/ccb558f6accd4030bbe9c00608c74a82 [2019-12-07 20:24:03,796 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:24:03,797 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:24:03,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:24:03,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:24:03,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:24:03,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:24:03" (1/1) ... [2019-12-07 20:24:03,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@756435f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:24:03, skipping insertion in model container [2019-12-07 20:24:03,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:24:03" (1/1) ... [2019-12-07 20:24:03,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:24:03,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:24:04,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:24:04,109 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 20:24:04,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72233c6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:24:04, skipping insertion in model container [2019-12-07 20:24:04,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:24:04,111 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:24:04,113 INFO L168 Benchmark]: Toolchain (without parser) took 314.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:24:04,113 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 960.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:24:04,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:24:04,115 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 960.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 312.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 154]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 20:24:05,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:24:05,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:24:05,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:24:05,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:24:05,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:24:05,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:24:05,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:24:05,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:24:05,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:24:05,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:24:05,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:24:05,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:24:05,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:24:05,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:24:05,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:24:05,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:24:05,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:24:05,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:24:05,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:24:05,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:24:05,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:24:05,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:24:05,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:24:05,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:24:05,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:24:05,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:24:05,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:24:05,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:24:05,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:24:05,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:24:05,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:24:05,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:24:05,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:24:05,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:24:05,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:24:05,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:24:05,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:24:05,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:24:05,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:24:05,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:24:05,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:24:05,302 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:24:05,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:24:05,303 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:24:05,303 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:24:05,304 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:24:05,304 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:24:05,304 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:24:05,304 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:24:05,304 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:24:05,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:24:05,305 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:24:05,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:24:05,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:24:05,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:24:05,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:24:05,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:24:05,306 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:24:05,306 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:24:05,306 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:24:05,306 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:24:05,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:24:05,306 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:24:05,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:24:05,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:24:05,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:24:05,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:24:05,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:24:05,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:24:05,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:24:05,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:24:05,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:24:05,307 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:24:05,308 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:24:05,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:24:05,308 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:24:05,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:24:05,308 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_c3884af8-0585-4e21-b15e-8236cc508c8b/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 -> 229890f5f6e9af6d15d776f98b90421cce07d395 [2019-12-07 20:24:05,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:24:05,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:24:05,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:24:05,479 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:24:05,480 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:24:05,480 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c [2019-12-07 20:24:05,520 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/data/171b0f1f6/54bd4005e3144385bff3b51b42ea42ac/FLAGf5134a4cf [2019-12-07 20:24:05,974 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:24:05,975 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c [2019-12-07 20:24:05,983 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/data/171b0f1f6/54bd4005e3144385bff3b51b42ea42ac/FLAGf5134a4cf [2019-12-07 20:24:05,991 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/data/171b0f1f6/54bd4005e3144385bff3b51b42ea42ac [2019-12-07 20:24:05,993 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:24:05,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:24:05,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:24:05,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:24:05,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:24:05,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:24:05" (1/1) ... [2019-12-07 20:24:05,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:24:05, skipping insertion in model container [2019-12-07 20:24:05,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:24:05" (1/1) ... [2019-12-07 20:24:06,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:24:06,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:24:06,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:24:06,252 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:24:06,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:24:06,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:24:06,302 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:24:06,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:24:06,363 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:24:06,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:24:06 WrapperNode [2019-12-07 20:24:06,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:24:06,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:24:06,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:24:06,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:24:06,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:24:06" (1/1) ... [2019-12-07 20:24:06,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:24:06" (1/1) ... [2019-12-07 20:24:06,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:24:06,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:24:06,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:24:06,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:24:06,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:24:06" (1/1) ... [2019-12-07 20:24:06,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:24:06" (1/1) ... [2019-12-07 20:24:06,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:24:06" (1/1) ... [2019-12-07 20:24:06,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:24:06" (1/1) ... [2019-12-07 20:24:06,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:24:06" (1/1) ... [2019-12-07 20:24:06,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:24:06" (1/1) ... [2019-12-07 20:24:06,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:24:06" (1/1) ... [2019-12-07 20:24:06,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:24:06,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:24:06,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:24:06,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:24:06,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:24:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:24:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:24:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:24:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:24:06,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:24:06,915 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:24:06,915 INFO L287 CfgBuilder]: Removed 96 assume(true) statements. [2019-12-07 20:24:06,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:24:06 BoogieIcfgContainer [2019-12-07 20:24:06,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:24:06,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:24:06,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:24:06,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:24:06,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:24:05" (1/3) ... [2019-12-07 20:24:06,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce3136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:24:06, skipping insertion in model container [2019-12-07 20:24:06,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:24:06" (2/3) ... [2019-12-07 20:24:06,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce3136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:24:06, skipping insertion in model container [2019-12-07 20:24:06,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:24:06" (3/3) ... [2019-12-07 20:24:06,921 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product05.cil.c [2019-12-07 20:24:06,928 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:24:06,933 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 20:24:06,941 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 20:24:06,957 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:24:06,958 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:24:06,958 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:24:06,958 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:24:06,958 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:24:06,958 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:24:06,958 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:24:06,958 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:24:06,969 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-12-07 20:24:06,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 20:24:06,973 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:24:06,974 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:24:06,974 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:24:06,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:24:06,978 INFO L82 PathProgramCache]: Analyzing trace with hash -196866246, now seen corresponding path program 1 times [2019-12-07 20:24:06,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:24:06,986 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729584573] [2019-12-07 20:24:06,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 20:24:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:24:07,131 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:24:07,134 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:24:07,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:24:07,145 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:24:07,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:24:07,149 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729584573] [2019-12-07 20:24:07,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:24:07,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:24:07,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832915956] [2019-12-07 20:24:07,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:24:07,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:24:07,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:24:07,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:24:07,163 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-12-07 20:24:07,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:24:07,181 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2019-12-07 20:24:07,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:24:07,182 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 20:24:07,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:24:07,190 INFO L225 Difference]: With dead ends: 132 [2019-12-07 20:24:07,190 INFO L226 Difference]: Without dead ends: 65 [2019-12-07 20:24:07,192 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 20:24:07,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-12-07 20:24:07,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-12-07 20:24:07,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-12-07 20:24:07,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-12-07 20:24:07,225 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2019-12-07 20:24:07,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:24:07,226 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-12-07 20:24:07,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:24:07,226 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2019-12-07 20:24:07,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 20:24:07,227 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:24:07,227 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 20:24:07,427 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:24:07,428 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:24:07,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:24:07,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1243623143, now seen corresponding path program 1 times [2019-12-07 20:24:07,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:24:07,430 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229948736] [2019-12-07 20:24:07,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 20:24:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:24:07,615 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:24:07,617 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:24:07,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:24:07,632 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:24:07,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:24:07,640 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [229948736] [2019-12-07 20:24:07,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:24:07,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:24:07,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784864096] [2019-12-07 20:24:07,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:24:07,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:24:07,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:24:07,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:24:07,643 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 4 states. [2019-12-07 20:24:07,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:24:07,652 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2019-12-07 20:24:07,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:24:07,653 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 20:24:07,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:24:07,653 INFO L225 Difference]: With dead ends: 65 [2019-12-07 20:24:07,653 INFO L226 Difference]: Without dead ends: 31 [2019-12-07 20:24:07,654 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 20:24:07,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-07 20:24:07,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-12-07 20:24:07,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 20:24:07,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-12-07 20:24:07,658 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2019-12-07 20:24:07,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:24:07,658 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-12-07 20:24:07,658 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:24:07,658 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-12-07 20:24:07,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 20:24:07,659 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:24:07,659 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 20:24:07,859 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:24:07,860 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:24:07,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:24:07,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2019-12-07 20:24:07,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:24:07,861 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156009716] [2019-12-07 20:24:07,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 20:24:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:24:08,052 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:24:08,053 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:24:08,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:24:08,061 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:24:08,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:24:08,069 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1156009716] [2019-12-07 20:24:08,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:24:08,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 20:24:08,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262434059] [2019-12-07 20:24:08,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:24:08,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:24:08,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:24:08,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:24:08,071 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 4 states. [2019-12-07 20:24:08,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:24:08,078 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2019-12-07 20:24:08,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:24:08,079 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 20:24:08,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:24:08,080 INFO L225 Difference]: With dead ends: 56 [2019-12-07 20:24:08,080 INFO L226 Difference]: Without dead ends: 31 [2019-12-07 20:24:08,081 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 20:24:08,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-07 20:24:08,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-12-07 20:24:08,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 20:24:08,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2019-12-07 20:24:08,086 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2019-12-07 20:24:08,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:24:08,086 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-12-07 20:24:08,086 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:24:08,087 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2019-12-07 20:24:08,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 20:24:08,087 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:24:08,088 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] [2019-12-07 20:24:08,288 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:24:08,288 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:24:08,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:24:08,289 INFO L82 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2019-12-07 20:24:08,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:24:08,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1579984124] [2019-12-07 20:24:08,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 20:24:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:24:08,432 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:24:08,434 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:24:08,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:24:08,450 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:24:08,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:24:08,476 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1579984124] [2019-12-07 20:24:08,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:24:08,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 20:24:08,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164594706] [2019-12-07 20:24:08,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:24:08,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:24:08,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:24:08,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:24:08,478 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 8 states. [2019-12-07 20:24:08,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:24:08,649 INFO L93 Difference]: Finished difference Result 198 states and 296 transitions. [2019-12-07 20:24:08,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 20:24:08,650 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-12-07 20:24:08,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:24:08,652 INFO L225 Difference]: With dead ends: 198 [2019-12-07 20:24:08,652 INFO L226 Difference]: Without dead ends: 173 [2019-12-07 20:24:08,653 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 20:24:08,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-12-07 20:24:08,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 72. [2019-12-07 20:24:08,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-12-07 20:24:08,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2019-12-07 20:24:08,667 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 23 [2019-12-07 20:24:08,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:24:08,667 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2019-12-07 20:24:08,667 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:24:08,667 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2019-12-07 20:24:08,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 20:24:08,669 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:24:08,669 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 20:24:08,869 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:24:08,870 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:24:08,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:24:08,871 INFO L82 PathProgramCache]: Analyzing trace with hash -840805216, now seen corresponding path program 1 times [2019-12-07 20:24:08,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:24:08,872 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [42622095] [2019-12-07 20:24:08,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 20:24:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:24:09,008 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:24:09,009 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:24:09,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:24:09,014 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:24:09,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:24:09,016 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [42622095] [2019-12-07 20:24:09,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:24:09,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 20:24:09,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113911681] [2019-12-07 20:24:09,017 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:24:09,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:24:09,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:24:09,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:24:09,018 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand 3 states. [2019-12-07 20:24:09,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:24:09,161 INFO L93 Difference]: Finished difference Result 190 states and 268 transitions. [2019-12-07 20:24:09,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:24:09,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 20:24:09,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:24:09,163 INFO L225 Difference]: With dead ends: 190 [2019-12-07 20:24:09,163 INFO L226 Difference]: Without dead ends: 124 [2019-12-07 20:24:09,164 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 20:24:09,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-12-07 20:24:09,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2019-12-07 20:24:09,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-12-07 20:24:09,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2019-12-07 20:24:09,179 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 24 [2019-12-07 20:24:09,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:24:09,179 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2019-12-07 20:24:09,179 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:24:09,179 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2019-12-07 20:24:09,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 20:24:09,181 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:24:09,181 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] [2019-12-07 20:24:09,381 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:24:09,382 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:24:09,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:24:09,382 INFO L82 PathProgramCache]: Analyzing trace with hash -2017502855, now seen corresponding path program 1 times [2019-12-07 20:24:09,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:24:09,384 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2043840388] [2019-12-07 20:24:09,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 20:24:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:24:09,483 INFO L264 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:24:09,484 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:24:09,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:24:09,490 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:24:09,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:24:09,492 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2043840388] [2019-12-07 20:24:09,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:24:09,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:24:09,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350268787] [2019-12-07 20:24:09,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:24:09,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:24:09,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:24:09,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:24:09,493 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2019-12-07 20:24:09,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:24:09,502 INFO L93 Difference]: Finished difference Result 176 states and 245 transitions. [2019-12-07 20:24:09,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:24:09,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-12-07 20:24:09,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:24:09,503 INFO L225 Difference]: With dead ends: 176 [2019-12-07 20:24:09,503 INFO L226 Difference]: Without dead ends: 60 [2019-12-07 20:24:09,504 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:24:09,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-12-07 20:24:09,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-12-07 20:24:09,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 20:24:09,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2019-12-07 20:24:09,510 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 27 [2019-12-07 20:24:09,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:24:09,510 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2019-12-07 20:24:09,510 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:24:09,510 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-12-07 20:24:09,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-07 20:24:09,511 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:24:09,511 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:24:09,711 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 20:24:09,712 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:24:09,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:24:09,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1260992860, now seen corresponding path program 1 times [2019-12-07 20:24:09,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:24:09,714 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1601942536] [2019-12-07 20:24:09,714 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 20:24:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:24:09,840 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 20:24:09,843 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:24:09,852 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:24:09,852 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:24:09,871 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:24:09,871 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1601942536] [2019-12-07 20:24:09,871 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [787768106] [2019-12-07 20:24:09,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:24:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:24:09,956 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:24:09,957 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:24:09,980 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 20:24:09,980 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:24:09,982 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 20:24:09,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 20:24:09,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 20:24:09,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776587699] [2019-12-07 20:24:09,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:24:09,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:24:09,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:24:09,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:24:09,984 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2019-12-07 20:24:10,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:24:10,046 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2019-12-07 20:24:10,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:24:10,046 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-12-07 20:24:10,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:24:10,046 INFO L225 Difference]: With dead ends: 118 [2019-12-07 20:24:10,046 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:24:10,047 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 20:24:10,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:24:10,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:24:10,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:24:10,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:24:10,047 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-12-07 20:24:10,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:24:10,048 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:24:10,048 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:24:10,048 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:24:10,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:24:10,448 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk,8 mathsat -unsat_core_generation=3 [2019-12-07 20:24:10,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:24:10,739 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 827) no Hoare annotation was computed. [2019-12-07 20:24:10,739 INFO L246 CegarLoopResult]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-12-07 20:24:10,739 INFO L246 CegarLoopResult]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-12-07 20:24:10,739 INFO L246 CegarLoopResult]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-12-07 20:24:10,739 INFO L242 CegarLoopResult]: At program point L746(lines 739 749) the Hoare annotation is: false [2019-12-07 20:24:10,739 INFO L242 CegarLoopResult]: At program point L746-1(lines 739 749) the Hoare annotation is: false [2019-12-07 20:24:10,739 INFO L242 CegarLoopResult]: At program point L746-2(lines 739 749) the Hoare annotation is: false [2019-12-07 20:24:10,739 INFO L246 CegarLoopResult]: For program point L614(lines 614 620) no Hoare annotation was computed. [2019-12-07 20:24:10,739 INFO L242 CegarLoopResult]: At program point L614-1(lines 614 620) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:24:10,740 INFO L242 CegarLoopResult]: At program point L862(lines 857 865) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:24:10,740 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:24:10,740 INFO L242 CegarLoopResult]: At program point L121(lines 116 124) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:24:10,740 INFO L242 CegarLoopResult]: At program point L121-1(lines 116 124) the Hoare annotation is: false [2019-12-07 20:24:10,740 INFO L242 CegarLoopResult]: At program point L121-2(lines 116 124) the Hoare annotation is: false [2019-12-07 20:24:10,740 INFO L242 CegarLoopResult]: At program point L650(lines 603 651) the Hoare annotation is: false [2019-12-07 20:24:10,740 INFO L246 CegarLoopResult]: For program point L634(lines 634 645) no Hoare annotation was computed. [2019-12-07 20:24:10,740 INFO L242 CegarLoopResult]: At program point L89(lines 84 92) the Hoare annotation is: false [2019-12-07 20:24:10,741 INFO L242 CegarLoopResult]: At program point L89-1(lines 84 92) the Hoare annotation is: false [2019-12-07 20:24:10,741 INFO L242 CegarLoopResult]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2019-12-07 20:24:10,741 INFO L242 CegarLoopResult]: At program point L553(lines 549 555) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:24:10,741 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:24:10,741 INFO L246 CegarLoopResult]: For program point L702(lines 702 719) no Hoare annotation was computed. [2019-12-07 20:24:10,741 INFO L246 CegarLoopResult]: For program point L702-1(lines 702 719) no Hoare annotation was computed. [2019-12-07 20:24:10,741 INFO L246 CegarLoopResult]: For program point L702-2(lines 702 719) no Hoare annotation was computed. [2019-12-07 20:24:10,741 INFO L242 CegarLoopResult]: At program point L504-2(lines 504 518) the Hoare annotation is: false [2019-12-07 20:24:10,742 INFO L242 CegarLoopResult]: At program point L670(lines 669 688) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:24:10,742 INFO L246 CegarLoopResult]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2019-12-07 20:24:10,742 INFO L242 CegarLoopResult]: At program point L670-2(lines 669 688) the Hoare annotation is: false [2019-12-07 20:24:10,742 INFO L242 CegarLoopResult]: At program point L670-3(lines 669 688) the Hoare annotation is: false [2019-12-07 20:24:10,742 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-12-07 20:24:10,742 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 827) no Hoare annotation was computed. [2019-12-07 20:24:10,742 INFO L246 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-12-07 20:24:10,743 INFO L246 CegarLoopResult]: For program point L605(lines 604 649) no Hoare annotation was computed. [2019-12-07 20:24:10,743 INFO L249 CegarLoopResult]: At program point L589(lines 570 592) the Hoare annotation is: true [2019-12-07 20:24:10,743 INFO L246 CegarLoopResult]: For program point L606(lines 606 610) no Hoare annotation was computed. [2019-12-07 20:24:10,743 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:24:10,743 INFO L242 CegarLoopResult]: At program point L854(lines 1 865) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:24:10,743 INFO L242 CegarLoopResult]: At program point L755(lines 750 758) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:24:10,743 INFO L242 CegarLoopResult]: At program point L755-1(lines 750 758) the Hoare annotation is: false [2019-12-07 20:24:10,744 INFO L242 CegarLoopResult]: At program point L755-2(lines 750 758) the Hoare annotation is: false [2019-12-07 20:24:10,744 INFO L246 CegarLoopResult]: For program point L805(lines 805 818) no Hoare annotation was computed. [2019-12-07 20:24:10,744 INFO L242 CegarLoopResult]: At program point L805-1(lines 1 865) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:24:10,744 INFO L246 CegarLoopResult]: For program point L805-2(lines 805 818) no Hoare annotation was computed. [2019-12-07 20:24:10,744 INFO L246 CegarLoopResult]: For program point L706(lines 706 714) no Hoare annotation was computed. [2019-12-07 20:24:10,744 INFO L242 CegarLoopResult]: At program point L805-3(lines 1 865) the Hoare annotation is: false [2019-12-07 20:24:10,744 INFO L246 CegarLoopResult]: For program point L706-1(lines 706 714) no Hoare annotation was computed. [2019-12-07 20:24:10,744 INFO L246 CegarLoopResult]: For program point L805-4(lines 805 818) no Hoare annotation was computed. [2019-12-07 20:24:10,745 INFO L246 CegarLoopResult]: For program point L640(lines 640 644) no Hoare annotation was computed. [2019-12-07 20:24:10,745 INFO L246 CegarLoopResult]: For program point L706-2(lines 706 714) no Hoare annotation was computed. [2019-12-07 20:24:10,745 INFO L242 CegarLoopResult]: At program point L805-5(lines 1 865) the Hoare annotation is: false [2019-12-07 20:24:10,745 INFO L246 CegarLoopResult]: For program point L640-2(lines 670 676) no Hoare annotation was computed. [2019-12-07 20:24:10,745 INFO L246 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2019-12-07 20:24:10,745 INFO L246 CegarLoopResult]: For program point L508-1(lines 670 676) no Hoare annotation was computed. [2019-12-07 20:24:10,745 INFO L246 CegarLoopResult]: For program point L624(lines 624 630) no Hoare annotation was computed. [2019-12-07 20:24:10,745 INFO L242 CegarLoopResult]: At program point L624-1(lines 624 630) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:24:10,746 INFO L246 CegarLoopResult]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-12-07 20:24:10,746 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:24:10,746 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 827) no Hoare annotation was computed. [2019-12-07 20:24:10,746 INFO L246 CegarLoopResult]: For program point L809(lines 809 815) no Hoare annotation was computed. [2019-12-07 20:24:10,746 INFO L246 CegarLoopResult]: For program point L809-2(lines 809 815) no Hoare annotation was computed. [2019-12-07 20:24:10,746 INFO L242 CegarLoopResult]: At program point L677(lines 677 683) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:24:10,746 INFO L246 CegarLoopResult]: For program point L809-4(lines 809 815) no Hoare annotation was computed. [2019-12-07 20:24:10,747 INFO L242 CegarLoopResult]: At program point L677-1(lines 677 683) the Hoare annotation is: false [2019-12-07 20:24:10,747 INFO L242 CegarLoopResult]: At program point L677-2(lines 677 683) the Hoare annotation is: false [2019-12-07 20:24:10,747 INFO L246 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2019-12-07 20:24:10,747 INFO L246 CegarLoopResult]: For program point L827-1(line 827) no Hoare annotation was computed. [2019-12-07 20:24:10,747 INFO L246 CegarLoopResult]: For program point L827-2(line 827) no Hoare annotation was computed. [2019-12-07 20:24:10,747 INFO L246 CegarLoopResult]: For program point L580(lines 580 587) no Hoare annotation was computed. [2019-12-07 20:24:10,747 INFO L249 CegarLoopResult]: At program point L580-1(lines 580 587) the Hoare annotation is: true [2019-12-07 20:24:10,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:24:10 BoogieIcfgContainer [2019-12-07 20:24:10,761 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:24:10,762 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:24:10,762 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:24:10,762 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:24:10,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:24:06" (3/4) ... [2019-12-07 20:24:10,765 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:24:10,777 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 20:24:10,778 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 20:24:10,778 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 20:24:10,778 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 20:24:10,779 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 20:24:10,779 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:24:10,779 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:24:10,800 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 20:24:10,833 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c3884af8-0585-4e21-b15e-8236cc508c8b/bin/utaipan/witness.graphml [2019-12-07 20:24:10,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:24:10,834 INFO L168 Benchmark]: Toolchain (without parser) took 4839.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -125.6 MB). Peak memory consumption was 85.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:24:10,834 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:24:10,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -167.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:24:10,835 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:24:10,835 INFO L168 Benchmark]: Boogie Preprocessor took 26.98 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 20:24:10,835 INFO L168 Benchmark]: RCFGBuilder took 484.60 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: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:24:10,835 INFO L168 Benchmark]: TraceAbstraction took 3844.49 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -49.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:24:10,835 INFO L168 Benchmark]: Witness Printer took 71.34 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:24:10,837 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 369.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -167.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.98 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 484.60 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: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3844.49 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -49.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Witness Printer took 71.34 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 827]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 827]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 827]: 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: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Result: SAFE, OverallTime: 3.4s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 378 SDtfs, 510 SDslu, 430 SDs, 0 SdLazy, 99 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 103 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 72 NumberOfFragments, 149 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1788 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 208 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 26253 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1498 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...