./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product58.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_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/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 454aaa6b423a8831b8582dfeb545ec6b3447f968 ...................................................................................................................................... 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_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/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 454aaa6b423a8831b8582dfeb545ec6b3447f968 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:52:35,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:52:35,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:52:35,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:52:35,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:52:35,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:52:35,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:52:35,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:52:35,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:52:35,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:52:35,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:52:35,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:52:35,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:52:35,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:52:35,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:52:35,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:52:35,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:52:35,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:52:35,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:52:35,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:52:35,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:52:35,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:52:35,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:52:35,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:52:35,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:52:35,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:52:35,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:52:35,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:52:35,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:52:35,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:52:35,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:52:35,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:52:35,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:52:35,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:52:35,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:52:35,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:52:35,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:52:35,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:52:35,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:52:35,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:52:35,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:52:35,232 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 14:52:35,242 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:52:35,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:52:35,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:52:35,243 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:52:35,243 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:52:35,244 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:52:35,244 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 14:52:35,244 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:52:35,244 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:52:35,244 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 14:52:35,244 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 14:52:35,244 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:52:35,244 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 14:52:35,245 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 14:52:35,245 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 14:52:35,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:52:35,245 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:52:35,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:52:35,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:52:35,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:52:35,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:52:35,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:52:35,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:52:35,246 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:52:35,246 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:52:35,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:52:35,246 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:52:35,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:52:35,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:52:35,247 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:52:35,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:52:35,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:52:35,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:52:35,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:52:35,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:52:35,248 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 14:52:35,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:52:35,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:52:35,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:52:35,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:52:35,248 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_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/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 -> 454aaa6b423a8831b8582dfeb545ec6b3447f968 [2019-12-07 14:52:35,347 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:52:35,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:52:35,360 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:52:35,361 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:52:35,362 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:52:35,362 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2019-12-07 14:52:35,405 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/data/1fe3f8848/17f85c74451941f4b19146918130de5c/FLAG2a36efddd [2019-12-07 14:52:35,787 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:52:35,787 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2019-12-07 14:52:35,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/data/1fe3f8848/17f85c74451941f4b19146918130de5c/FLAG2a36efddd [2019-12-07 14:52:36,180 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/data/1fe3f8848/17f85c74451941f4b19146918130de5c [2019-12-07 14:52:36,183 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:52:36,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:52:36,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:52:36,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:52:36,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:52:36,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:52:36" (1/1) ... [2019-12-07 14:52:36,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb9dc9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:52:36, skipping insertion in model container [2019-12-07 14:52:36,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:52:36" (1/1) ... [2019-12-07 14:52:36,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:52:36,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:52:36,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:52:36,445 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 14:52:36,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@31b6d407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:52:36, skipping insertion in model container [2019-12-07 14:52:36,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:52:36,446 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 14:52:36,448 INFO L168 Benchmark]: Toolchain (without parser) took 263.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:52:36,448 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:52:36,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:52:36,450 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 960.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 646]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 14:52:37,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:52:37,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:52:37,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:52:37,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:52:37,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:52:37,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:52:37,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:52:37,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:52:37,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:52:37,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:52:37,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:52:37,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:52:37,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:52:37,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:52:37,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:52:37,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:52:37,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:52:37,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:52:37,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:52:37,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:52:37,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:52:37,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:52:37,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:52:37,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:52:37,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:52:37,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:52:37,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:52:37,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:52:37,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:52:37,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:52:37,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:52:37,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:52:37,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:52:37,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:52:37,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:52:37,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:52:37,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:52:37,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:52:37,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:52:37,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:52:37,682 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 14:52:37,693 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:52:37,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:52:37,694 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:52:37,694 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:52:37,695 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:52:37,695 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:52:37,695 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:52:37,695 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:52:37,695 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:52:37,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:52:37,696 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:52:37,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:52:37,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:52:37,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:52:37,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:52:37,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:52:37,697 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:52:37,698 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:52:37,698 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:52:37,698 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:52:37,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:52:37,698 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:52:37,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:52:37,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:52:37,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:52:37,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:52:37,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:52:37,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:52:37,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:52:37,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:52:37,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:52:37,700 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 14:52:37,700 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:52:37,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:52:37,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:52:37,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:52:37,700 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_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/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 -> 454aaa6b423a8831b8582dfeb545ec6b3447f968 [2019-12-07 14:52:37,871 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:52:37,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:52:37,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:52:37,883 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:52:37,884 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:52:37,884 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2019-12-07 14:52:37,927 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/data/09d161d32/d572413ca05e4c0a8de8e0850bfeeb7f/FLAG57fe5fe7d [2019-12-07 14:52:38,368 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:52:38,369 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2019-12-07 14:52:38,376 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/data/09d161d32/d572413ca05e4c0a8de8e0850bfeeb7f/FLAG57fe5fe7d [2019-12-07 14:52:38,715 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/data/09d161d32/d572413ca05e4c0a8de8e0850bfeeb7f [2019-12-07 14:52:38,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:52:38,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:52:38,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:52:38,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:52:38,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:52:38,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:52:38" (1/1) ... [2019-12-07 14:52:38,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8ffd2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:52:38, skipping insertion in model container [2019-12-07 14:52:38,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:52:38" (1/1) ... [2019-12-07 14:52:38,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:52:38,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:52:38,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:52:38,945 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 14:52:38,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:52:39,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:52:39,043 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:52:39,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:52:39,112 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:52:39,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:52:39 WrapperNode [2019-12-07 14:52:39,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:52:39,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:52:39,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:52:39,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:52:39,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:52:39" (1/1) ... [2019-12-07 14:52:39,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:52:39" (1/1) ... [2019-12-07 14:52:39,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:52:39,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:52:39,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:52:39,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:52:39,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:52:39" (1/1) ... [2019-12-07 14:52:39,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:52:39" (1/1) ... [2019-12-07 14:52:39,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:52:39" (1/1) ... [2019-12-07 14:52:39,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:52:39" (1/1) ... [2019-12-07 14:52:39,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:52:39" (1/1) ... [2019-12-07 14:52:39,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:52:39" (1/1) ... [2019-12-07 14:52:39,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:52:39" (1/1) ... [2019-12-07 14:52:39,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:52:39,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:52:39,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:52:39,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:52:39,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:52:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:52:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:52:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 14:52:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:52:39,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:52:39,832 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:52:39,832 INFO L287 CfgBuilder]: Removed 194 assume(true) statements. [2019-12-07 14:52:39,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:52:39 BoogieIcfgContainer [2019-12-07 14:52:39,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:52:39,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:52:39,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:52:39,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:52:39,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:52:38" (1/3) ... [2019-12-07 14:52:39,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8a1f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:52:39, skipping insertion in model container [2019-12-07 14:52:39,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:52:39" (2/3) ... [2019-12-07 14:52:39,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8a1f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:52:39, skipping insertion in model container [2019-12-07 14:52:39,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:52:39" (3/3) ... [2019-12-07 14:52:39,841 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58.cil.c [2019-12-07 14:52:39,850 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:52:39,857 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 14:52:39,868 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 14:52:39,886 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:52:39,886 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:52:39,886 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:52:39,886 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:52:39,886 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:52:39,887 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:52:39,887 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:52:39,887 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:52:39,900 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2019-12-07 14:52:39,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 14:52:39,905 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:52:39,906 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:52:39,906 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:52:39,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:52:39,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1138467236, now seen corresponding path program 1 times [2019-12-07 14:52:39,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:52:39,920 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [334778779] [2019-12-07 14:52:39,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 14:52:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:52:40,082 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 14:52:40,085 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:52:40,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:52:40,096 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:52:40,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:52:40,100 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [334778779] [2019-12-07 14:52:40,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:52:40,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:52:40,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68196231] [2019-12-07 14:52:40,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:52:40,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:52:40,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:52:40,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:52:40,120 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2019-12-07 14:52:40,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:52:40,150 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2019-12-07 14:52:40,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:52:40,152 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 14:52:40,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:52:40,164 INFO L225 Difference]: With dead ends: 264 [2019-12-07 14:52:40,164 INFO L226 Difference]: Without dead ends: 131 [2019-12-07 14:52:40,168 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 14:52:40,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-12-07 14:52:40,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-12-07 14:52:40,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-12-07 14:52:40,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2019-12-07 14:52:40,208 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2019-12-07 14:52:40,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:52:40,208 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2019-12-07 14:52:40,208 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:52:40,208 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2019-12-07 14:52:40,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 14:52:40,209 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:52:40,209 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 14:52:40,410 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:52:40,411 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:52:40,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:52:40,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1722273200, now seen corresponding path program 1 times [2019-12-07 14:52:40,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:52:40,415 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [136488063] [2019-12-07 14:52:40,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 14:52:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:52:40,711 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:52:40,713 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:52:40,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:52:40,727 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:52:40,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:52:40,737 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [136488063] [2019-12-07 14:52:40,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:52:40,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 14:52:40,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106598996] [2019-12-07 14:52:40,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:52:40,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:52:40,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:52:40,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:52:40,740 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 4 states. [2019-12-07 14:52:40,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:52:40,756 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2019-12-07 14:52:40,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:52:40,757 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 14:52:40,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:52:40,759 INFO L225 Difference]: With dead ends: 131 [2019-12-07 14:52:40,759 INFO L226 Difference]: Without dead ends: 53 [2019-12-07 14:52:40,760 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 14:52:40,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-12-07 14:52:40,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-12-07 14:52:40,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-12-07 14:52:40,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-12-07 14:52:40,767 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2019-12-07 14:52:40,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:52:40,767 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-12-07 14:52:40,767 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:52:40,767 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-12-07 14:52:40,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 14:52:40,768 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:52:40,768 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 14:52:40,969 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 14:52:40,969 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:52:40,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:52:40,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1529505855, now seen corresponding path program 1 times [2019-12-07 14:52:40,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:52:40,970 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [655973784] [2019-12-07 14:52:40,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 14:52:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:52:41,079 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:52:41,080 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:52:41,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:52:41,088 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:52:41,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:52:41,094 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [655973784] [2019-12-07 14:52:41,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:52:41,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 14:52:41,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145007011] [2019-12-07 14:52:41,095 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:52:41,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:52:41,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:52:41,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:52:41,095 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 4 states. [2019-12-07 14:52:41,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:52:41,135 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2019-12-07 14:52:41,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:52:41,136 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 14:52:41,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:52:41,137 INFO L225 Difference]: With dead ends: 100 [2019-12-07 14:52:41,137 INFO L226 Difference]: Without dead ends: 53 [2019-12-07 14:52:41,137 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 14:52:41,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-12-07 14:52:41,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-12-07 14:52:41,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-12-07 14:52:41,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2019-12-07 14:52:41,145 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2019-12-07 14:52:41,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:52:41,145 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2019-12-07 14:52:41,145 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:52:41,145 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2019-12-07 14:52:41,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 14:52:41,146 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:52:41,146 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 14:52:41,347 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 14:52:41,348 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:52:41,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:52:41,349 INFO L82 PathProgramCache]: Analyzing trace with hash 583703192, now seen corresponding path program 1 times [2019-12-07 14:52:41,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:52:41,351 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1196753802] [2019-12-07 14:52:41,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 14:52:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:52:41,511 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:52:41,513 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:52:41,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:52:41,518 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:52:41,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:52:41,520 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1196753802] [2019-12-07 14:52:41,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:52:41,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 14:52:41,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502804787] [2019-12-07 14:52:41,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:52:41,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:52:41,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:52:41,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:52:41,521 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2019-12-07 14:52:41,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:52:41,573 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2019-12-07 14:52:41,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:52:41,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 14:52:41,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:52:41,574 INFO L225 Difference]: With dead ends: 121 [2019-12-07 14:52:41,574 INFO L226 Difference]: Without dead ends: 74 [2019-12-07 14:52:41,575 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 14:52:41,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-12-07 14:52:41,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2019-12-07 14:52:41,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-12-07 14:52:41,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2019-12-07 14:52:41,584 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2019-12-07 14:52:41,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:52:41,584 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2019-12-07 14:52:41,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:52:41,585 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2019-12-07 14:52:41,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 14:52:41,585 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:52:41,585 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:52:41,786 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 14:52:41,787 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:52:41,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:52:41,788 INFO L82 PathProgramCache]: Analyzing trace with hash -198690772, now seen corresponding path program 1 times [2019-12-07 14:52:41,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:52:41,790 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [41647688] [2019-12-07 14:52:41,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 14:52:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:52:41,928 INFO L264 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:52:41,930 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:52:41,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:52:41,946 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:52:41,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:52:41,953 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [41647688] [2019-12-07 14:52:41,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:52:41,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 14:52:41,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912709796] [2019-12-07 14:52:41,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:52:41,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:52:41,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:52:41,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:52:41,954 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2019-12-07 14:52:42,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:52:42,050 INFO L93 Difference]: Finished difference Result 372 states and 538 transitions. [2019-12-07 14:52:42,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 14:52:42,051 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-12-07 14:52:42,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:52:42,052 INFO L225 Difference]: With dead ends: 372 [2019-12-07 14:52:42,053 INFO L226 Difference]: Without dead ends: 306 [2019-12-07 14:52:42,053 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 14:52:42,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2019-12-07 14:52:42,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 132. [2019-12-07 14:52:42,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-12-07 14:52:42,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 185 transitions. [2019-12-07 14:52:42,068 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 185 transitions. Word has length 30 [2019-12-07 14:52:42,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:52:42,069 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 185 transitions. [2019-12-07 14:52:42,069 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:52:42,069 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 185 transitions. [2019-12-07 14:52:42,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 14:52:42,070 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:52:42,070 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:52:42,270 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 14:52:42,271 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:52:42,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:52:42,272 INFO L82 PathProgramCache]: Analyzing trace with hash 473077730, now seen corresponding path program 1 times [2019-12-07 14:52:42,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:52:42,274 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1570704897] [2019-12-07 14:52:42,275 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 14:52:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:52:42,409 INFO L264 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:52:42,411 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:52:42,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:52:42,424 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:52:42,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:52:42,427 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1570704897] [2019-12-07 14:52:42,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:52:42,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 14:52:42,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023263181] [2019-12-07 14:52:42,428 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:52:42,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:52:42,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:52:42,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:52:42,428 INFO L87 Difference]: Start difference. First operand 132 states and 185 transitions. Second operand 5 states. [2019-12-07 14:52:42,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:52:42,569 INFO L93 Difference]: Finished difference Result 378 states and 534 transitions. [2019-12-07 14:52:42,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 14:52:42,569 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-07 14:52:42,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:52:42,571 INFO L225 Difference]: With dead ends: 378 [2019-12-07 14:52:42,571 INFO L226 Difference]: Without dead ends: 376 [2019-12-07 14:52:42,572 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 14:52:42,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2019-12-07 14:52:42,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2019-12-07 14:52:42,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-12-07 14:52:42,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2019-12-07 14:52:42,583 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 31 [2019-12-07 14:52:42,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:52:42,583 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2019-12-07 14:52:42,583 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:52:42,584 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2019-12-07 14:52:42,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 14:52:42,584 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:52:42,585 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:52:42,785 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 14:52:42,786 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:52:42,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:52:42,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1697229364, now seen corresponding path program 1 times [2019-12-07 14:52:42,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:52:42,789 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1295815327] [2019-12-07 14:52:42,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 14:52:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:52:42,939 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:52:42,940 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:52:42,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:52:42,952 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:52:42,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:52:42,954 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1295815327] [2019-12-07 14:52:42,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:52:42,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 14:52:42,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853756328] [2019-12-07 14:52:42,954 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:52:42,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:52:42,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:52:42,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:52:42,955 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand 5 states. [2019-12-07 14:52:43,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:52:43,009 INFO L93 Difference]: Finished difference Result 344 states and 476 transitions. [2019-12-07 14:52:43,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 14:52:43,009 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 14:52:43,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:52:43,010 INFO L225 Difference]: With dead ends: 344 [2019-12-07 14:52:43,010 INFO L226 Difference]: Without dead ends: 218 [2019-12-07 14:52:43,011 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 14:52:43,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-12-07 14:52:43,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 144. [2019-12-07 14:52:43,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-12-07 14:52:43,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 196 transitions. [2019-12-07 14:52:43,020 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 196 transitions. Word has length 34 [2019-12-07 14:52:43,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:52:43,021 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 196 transitions. [2019-12-07 14:52:43,021 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:52:43,021 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2019-12-07 14:52:43,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 14:52:43,022 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:52:43,022 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:52:43,222 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 14:52:43,223 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:52:43,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:52:43,224 INFO L82 PathProgramCache]: Analyzing trace with hash 2010931918, now seen corresponding path program 1 times [2019-12-07 14:52:43,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:52:43,225 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690527929] [2019-12-07 14:52:43,226 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 14:52:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:52:43,380 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 14:52:43,381 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:52:43,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:52:43,388 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:52:43,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:52:43,398 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1690527929] [2019-12-07 14:52:43,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:52:43,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 14:52:43,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784455338] [2019-12-07 14:52:43,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 14:52:43,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:52:43,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 14:52:43,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:52:43,399 INFO L87 Difference]: Start difference. First operand 144 states and 196 transitions. Second operand 6 states. [2019-12-07 14:52:43,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:52:43,437 INFO L93 Difference]: Finished difference Result 378 states and 510 transitions. [2019-12-07 14:52:43,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:52:43,438 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-07 14:52:43,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:52:43,439 INFO L225 Difference]: With dead ends: 378 [2019-12-07 14:52:43,439 INFO L226 Difference]: Without dead ends: 240 [2019-12-07 14:52:43,440 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 14:52:43,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2019-12-07 14:52:43,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 152. [2019-12-07 14:52:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-12-07 14:52:43,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 204 transitions. [2019-12-07 14:52:43,450 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 204 transitions. Word has length 34 [2019-12-07 14:52:43,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:52:43,451 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 204 transitions. [2019-12-07 14:52:43,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 14:52:43,451 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 204 transitions. [2019-12-07 14:52:43,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 14:52:43,451 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:52:43,451 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:52:43,652 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 14:52:43,653 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:52:43,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:52:43,654 INFO L82 PathProgramCache]: Analyzing trace with hash 731068240, now seen corresponding path program 1 times [2019-12-07 14:52:43,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:52:43,655 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [680461625] [2019-12-07 14:52:43,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 14:52:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:52:43,813 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:52:43,814 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:52:43,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:52:43,820 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:52:43,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:52:43,827 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [680461625] [2019-12-07 14:52:43,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:52:43,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 14:52:43,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613939235] [2019-12-07 14:52:43,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:52:43,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:52:43,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:52:43,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:52:43,829 INFO L87 Difference]: Start difference. First operand 152 states and 204 transitions. Second operand 4 states. [2019-12-07 14:52:43,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:52:43,884 INFO L93 Difference]: Finished difference Result 454 states and 612 transitions. [2019-12-07 14:52:43,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:52:43,884 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-12-07 14:52:43,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:52:43,886 INFO L225 Difference]: With dead ends: 454 [2019-12-07 14:52:43,886 INFO L226 Difference]: Without dead ends: 308 [2019-12-07 14:52:43,886 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:52:43,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2019-12-07 14:52:43,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 256. [2019-12-07 14:52:43,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2019-12-07 14:52:43,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 341 transitions. [2019-12-07 14:52:43,900 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 341 transitions. Word has length 34 [2019-12-07 14:52:43,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:52:43,901 INFO L462 AbstractCegarLoop]: Abstraction has 256 states and 341 transitions. [2019-12-07 14:52:43,901 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:52:43,901 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 341 transitions. [2019-12-07 14:52:43,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 14:52:43,901 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:52:43,901 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:52:44,102 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 14:52:44,103 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:52:44,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:52:44,104 INFO L82 PathProgramCache]: Analyzing trace with hash -2047463346, now seen corresponding path program 1 times [2019-12-07 14:52:44,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:52:44,105 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1335716032] [2019-12-07 14:52:44,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 14:52:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:52:44,232 INFO L264 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 14:52:44,233 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:52:44,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:52:44,250 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:52:44,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:52:44,279 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1335716032] [2019-12-07 14:52:44,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:52:44,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 14:52:44,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727458210] [2019-12-07 14:52:44,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 14:52:44,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:52:44,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 14:52:44,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 14:52:44,280 INFO L87 Difference]: Start difference. First operand 256 states and 341 transitions. Second operand 10 states. [2019-12-07 14:52:44,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:52:44,694 INFO L93 Difference]: Finished difference Result 990 states and 1296 transitions. [2019-12-07 14:52:44,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-07 14:52:44,695 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2019-12-07 14:52:44,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:52:44,698 INFO L225 Difference]: With dead ends: 990 [2019-12-07 14:52:44,698 INFO L226 Difference]: Without dead ends: 740 [2019-12-07 14:52:44,699 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2019-12-07 14:52:44,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2019-12-07 14:52:44,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 256. [2019-12-07 14:52:44,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2019-12-07 14:52:44,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 335 transitions. [2019-12-07 14:52:44,717 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 335 transitions. Word has length 35 [2019-12-07 14:52:44,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:52:44,718 INFO L462 AbstractCegarLoop]: Abstraction has 256 states and 335 transitions. [2019-12-07 14:52:44,718 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 14:52:44,718 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 335 transitions. [2019-12-07 14:52:44,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-07 14:52:44,718 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:52:44,719 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:52:44,919 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 14:52:44,921 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:52:44,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:52:44,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1267099237, now seen corresponding path program 1 times [2019-12-07 14:52:44,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:52:44,923 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2045722641] [2019-12-07 14:52:44,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-12-07 14:52:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:52:45,074 INFO L264 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 14:52:45,075 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:52:45,098 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 14:52:45,098 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:52:45,102 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:52:45,122 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 14:52:45,123 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2045722641] [2019-12-07 14:52:45,123 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [669968172] [2019-12-07 14:52:45,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 14:52:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:52:45,292 INFO L264 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 14:52:45,294 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:52:45,325 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 14:52:45,326 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:52:45,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:52:45,339 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 14:52:45,340 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068475020] [2019-12-07 14:52:45,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:52:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:52:45,483 INFO L264 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 14:52:45,485 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:52:45,495 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 14:52:45,495 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:52:45,497 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:52:45,504 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 14:52:45,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 14:52:45,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 8 [2019-12-07 14:52:45,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077560217] [2019-12-07 14:52:45,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 14:52:45,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:52:45,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 14:52:45,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-12-07 14:52:45,506 INFO L87 Difference]: Start difference. First operand 256 states and 335 transitions. Second operand 9 states. [2019-12-07 14:52:46,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:52:46,216 INFO L93 Difference]: Finished difference Result 2539 states and 3318 transitions. [2019-12-07 14:52:46,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-12-07 14:52:46,217 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2019-12-07 14:52:46,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:52:46,226 INFO L225 Difference]: With dead ends: 2539 [2019-12-07 14:52:46,226 INFO L226 Difference]: Without dead ends: 2289 [2019-12-07 14:52:46,227 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 322 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2019-12-07 14:52:46,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states. [2019-12-07 14:52:46,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 721. [2019-12-07 14:52:46,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2019-12-07 14:52:46,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 967 transitions. [2019-12-07 14:52:46,282 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 967 transitions. Word has length 56 [2019-12-07 14:52:46,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:52:46,282 INFO L462 AbstractCegarLoop]: Abstraction has 721 states and 967 transitions. [2019-12-07 14:52:46,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 14:52:46,282 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 967 transitions. [2019-12-07 14:52:46,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-07 14:52:46,283 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:52:46,283 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:52:46,884 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 cvc4 --incremental --print-success --lang smt --rewrite-divk,12 mathsat -unsat_core_generation=3 [2019-12-07 14:52:46,884 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:52:46,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:52:46,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1968163815, now seen corresponding path program 1 times [2019-12-07 14:52:46,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:52:46,885 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1569329266] [2019-12-07 14:52:46,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2019-12-07 14:52:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:52:47,001 INFO L264 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:52:47,002 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:52:47,015 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 14:52:47,015 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:52:47,034 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 14:52:47,034 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1569329266] [2019-12-07 14:52:47,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:52:47,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 14:52:47,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410358997] [2019-12-07 14:52:47,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 14:52:47,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:52:47,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 14:52:47,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:52:47,035 INFO L87 Difference]: Start difference. First operand 721 states and 967 transitions. Second operand 8 states. [2019-12-07 14:52:47,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:52:47,086 INFO L93 Difference]: Finished difference Result 1055 states and 1384 transitions. [2019-12-07 14:52:47,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:52:47,087 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-12-07 14:52:47,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:52:47,087 INFO L225 Difference]: With dead ends: 1055 [2019-12-07 14:52:47,087 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:52:47,088 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 14:52:47,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:52:47,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:52:47,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:52:47,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:52:47,089 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-12-07 14:52:47,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:52:47,089 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:52:47,089 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 14:52:47,089 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:52:47,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:52:47,289 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-12-07 14:52:47,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:52:47,562 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 155 [2019-12-07 14:52:47,720 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 147 [2019-12-07 14:52:49,388 WARN L192 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 154 DAG size of output: 28 [2019-12-07 14:52:50,226 WARN L192 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 27 [2019-12-07 14:52:50,885 WARN L192 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 35 [2019-12-07 14:52:51,196 WARN L192 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 28 [2019-12-07 14:52:52,716 WARN L192 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 150 DAG size of output: 28 [2019-12-07 14:52:54,170 WARN L192 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 126 DAG size of output: 34 [2019-12-07 14:52:55,144 WARN L192 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 28 [2019-12-07 14:52:55,983 WARN L192 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 31 [2019-12-07 14:52:56,111 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2019-12-07 14:52:56,577 WARN L192 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 31 [2019-12-07 14:52:57,392 WARN L192 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 34 [2019-12-07 14:52:57,500 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 14:52:57,500 INFO L246 CegarLoopResult]: For program point L564(lines 564 568) no Hoare annotation was computed. [2019-12-07 14:52:57,500 INFO L242 CegarLoopResult]: At program point L564-2(lines 274 280) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse4) (and .cse1 .cse6 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse1 .cse4))) [2019-12-07 14:52:57,500 INFO L246 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-12-07 14:52:57,500 INFO L242 CegarLoopResult]: At program point L498-1(lines 1 982) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse7 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6) .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse2 .cse7 .cse4) (and .cse0 .cse6 .cse1 .cse5 .cse7 .cse4))) [2019-12-07 14:52:57,501 INFO L246 CegarLoopResult]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2019-12-07 14:52:57,501 INFO L242 CegarLoopResult]: At program point L498-3(lines 1 982) the Hoare annotation is: false [2019-12-07 14:52:57,501 INFO L246 CegarLoopResult]: For program point L498-4(lines 498 511) no Hoare annotation was computed. [2019-12-07 14:52:57,501 INFO L242 CegarLoopResult]: At program point L498-5(lines 1 982) the Hoare annotation is: false [2019-12-07 14:52:57,501 INFO L246 CegarLoopResult]: For program point L369(lines 369 375) no Hoare annotation was computed. [2019-12-07 14:52:57,501 INFO L246 CegarLoopResult]: For program point L336(lines 336 344) no Hoare annotation was computed. [2019-12-07 14:52:57,501 INFO L246 CegarLoopResult]: For program point L369-2(lines 369 375) no Hoare annotation was computed. [2019-12-07 14:52:57,501 INFO L246 CegarLoopResult]: For program point L336-1(lines 336 344) no Hoare annotation was computed. [2019-12-07 14:52:57,501 INFO L246 CegarLoopResult]: For program point L336-2(lines 336 344) no Hoare annotation was computed. [2019-12-07 14:52:57,501 INFO L246 CegarLoopResult]: For program point L369-4(lines 369 375) no Hoare annotation was computed. [2019-12-07 14:52:57,501 INFO L246 CegarLoopResult]: For program point L369-6(lines 369 375) no Hoare annotation was computed. [2019-12-07 14:52:57,501 INFO L246 CegarLoopResult]: For program point L369-8(lines 369 375) no Hoare annotation was computed. [2019-12-07 14:52:57,501 INFO L246 CegarLoopResult]: For program point L369-10(lines 369 375) no Hoare annotation was computed. [2019-12-07 14:52:57,501 INFO L246 CegarLoopResult]: For program point L502(lines 502 508) no Hoare annotation was computed. [2019-12-07 14:52:57,501 INFO L246 CegarLoopResult]: For program point L502-2(lines 502 508) no Hoare annotation was computed. [2019-12-07 14:52:57,502 INFO L242 CegarLoopResult]: At program point L403(lines 398 406) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse3 .cse4 .cse5))) [2019-12-07 14:52:57,502 INFO L242 CegarLoopResult]: At program point L403-1(lines 398 406) the Hoare annotation is: false [2019-12-07 14:52:57,502 INFO L246 CegarLoopResult]: For program point L502-4(lines 502 508) no Hoare annotation was computed. [2019-12-07 14:52:57,502 INFO L242 CegarLoopResult]: At program point L403-2(lines 398 406) the Hoare annotation is: false [2019-12-07 14:52:57,502 INFO L242 CegarLoopResult]: At program point L172-2(lines 172 186) the Hoare annotation is: false [2019-12-07 14:52:57,502 INFO L246 CegarLoopResult]: For program point L536(lines 536 542) no Hoare annotation was computed. [2019-12-07 14:52:57,502 INFO L242 CegarLoopResult]: At program point L536-1(lines 536 542) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse7 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6) .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse2 .cse7 .cse4) (and .cse0 .cse6 .cse1 .cse5 .cse7 .cse4))) [2019-12-07 14:52:57,502 INFO L246 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2019-12-07 14:52:57,502 INFO L246 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2019-12-07 14:52:57,502 INFO L246 CegarLoopResult]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2019-12-07 14:52:57,502 INFO L246 CegarLoopResult]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2019-12-07 14:52:57,502 INFO L246 CegarLoopResult]: For program point L140-3(lines 140 146) no Hoare annotation was computed. [2019-12-07 14:52:57,502 INFO L246 CegarLoopResult]: For program point L140-4(lines 140 146) no Hoare annotation was computed. [2019-12-07 14:52:57,502 INFO L246 CegarLoopResult]: For program point L140-5(lines 140 146) no Hoare annotation was computed. [2019-12-07 14:52:57,503 INFO L246 CegarLoopResult]: For program point L471(lines 471 475) no Hoare annotation was computed. [2019-12-07 14:52:57,503 INFO L246 CegarLoopResult]: For program point L471-2(lines 471 475) no Hoare annotation was computed. [2019-12-07 14:52:57,503 INFO L246 CegarLoopResult]: For program point L471-3(lines 471 475) no Hoare annotation was computed. [2019-12-07 14:52:57,503 INFO L246 CegarLoopResult]: For program point L306(lines 306 323) no Hoare annotation was computed. [2019-12-07 14:52:57,503 INFO L246 CegarLoopResult]: For program point L471-5(lines 471 475) no Hoare annotation was computed. [2019-12-07 14:52:57,503 INFO L246 CegarLoopResult]: For program point L306-1(lines 306 323) no Hoare annotation was computed. [2019-12-07 14:52:57,503 INFO L246 CegarLoopResult]: For program point L471-6(lines 471 475) no Hoare annotation was computed. [2019-12-07 14:52:57,503 INFO L246 CegarLoopResult]: For program point L306-2(lines 306 323) no Hoare annotation was computed. [2019-12-07 14:52:57,503 INFO L246 CegarLoopResult]: For program point L306-3(lines 306 323) no Hoare annotation was computed. [2019-12-07 14:52:57,503 INFO L246 CegarLoopResult]: For program point L471-8(lines 471 475) no Hoare annotation was computed. [2019-12-07 14:52:57,503 INFO L246 CegarLoopResult]: For program point L306-4(lines 306 323) no Hoare annotation was computed. [2019-12-07 14:52:57,503 INFO L246 CegarLoopResult]: For program point L306-5(lines 306 323) no Hoare annotation was computed. [2019-12-07 14:52:57,503 INFO L246 CegarLoopResult]: For program point L75(lines 75 79) no Hoare annotation was computed. [2019-12-07 14:52:57,503 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 14:52:57,503 INFO L242 CegarLoopResult]: At program point L274(lines 273 292) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse5 .cse2 .cse6 .cse4 .cse3) (and .cse5 .cse1 .cse2 .cse6 .cse3))) [2019-12-07 14:52:57,503 INFO L246 CegarLoopResult]: For program point L274-1(lines 274 280) no Hoare annotation was computed. [2019-12-07 14:52:57,504 INFO L242 CegarLoopResult]: At program point L274-2(lines 273 292) the Hoare annotation is: false [2019-12-07 14:52:57,504 INFO L242 CegarLoopResult]: At program point L274-3(lines 273 292) the Hoare annotation is: false [2019-12-07 14:52:57,504 INFO L242 CegarLoopResult]: At program point L605(lines 1 982) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 14:52:57,504 INFO L246 CegarLoopResult]: For program point L176(lines 176 180) no Hoare annotation was computed. [2019-12-07 14:52:57,504 INFO L246 CegarLoopResult]: For program point L176-1(lines 274 280) no Hoare annotation was computed. [2019-12-07 14:52:57,504 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-12-07 14:52:57,504 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-12-07 14:52:57,504 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-12-07 14:52:57,504 INFO L242 CegarLoopResult]: At program point L574(lines 525 575) the Hoare annotation is: false [2019-12-07 14:52:57,504 INFO L246 CegarLoopResult]: For program point L310(lines 310 318) no Hoare annotation was computed. [2019-12-07 14:52:57,504 INFO L246 CegarLoopResult]: For program point L310-1(lines 310 318) no Hoare annotation was computed. [2019-12-07 14:52:57,504 INFO L246 CegarLoopResult]: For program point L310-2(lines 310 318) no Hoare annotation was computed. [2019-12-07 14:52:57,504 INFO L246 CegarLoopResult]: For program point L310-3(lines 310 318) no Hoare annotation was computed. [2019-12-07 14:52:57,504 INFO L246 CegarLoopResult]: For program point L310-4(lines 310 318) no Hoare annotation was computed. [2019-12-07 14:52:57,504 INFO L242 CegarLoopResult]: At program point L145(lines 136 149) the Hoare annotation is: false [2019-12-07 14:52:57,504 INFO L246 CegarLoopResult]: For program point L310-5(lines 310 318) no Hoare annotation was computed. [2019-12-07 14:52:57,504 INFO L242 CegarLoopResult]: At program point L145-1(lines 136 149) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (and .cse6 .cse0 .cse7 .cse1 .cse3 .cse4) (and .cse6 .cse0 .cse7 .cse5 .cse1 .cse4))) [2019-12-07 14:52:57,504 INFO L242 CegarLoopResult]: At program point L145-2(lines 136 149) the Hoare annotation is: false [2019-12-07 14:52:57,505 INFO L242 CegarLoopResult]: At program point L145-3(lines 136 149) the Hoare annotation is: false [2019-12-07 14:52:57,505 INFO L242 CegarLoopResult]: At program point L145-4(lines 136 149) the Hoare annotation is: false [2019-12-07 14:52:57,505 INFO L242 CegarLoopResult]: At program point L145-5(lines 136 149) the Hoare annotation is: false [2019-12-07 14:52:57,505 INFO L242 CegarLoopResult]: At program point L477(lines 462 480) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv4294967295 32))))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse5 .cse6))) [2019-12-07 14:52:57,505 INFO L242 CegarLoopResult]: At program point L477-1(lines 462 480) the Hoare annotation is: false [2019-12-07 14:52:57,505 INFO L242 CegarLoopResult]: At program point L477-2(lines 462 480) the Hoare annotation is: false [2019-12-07 14:52:57,505 INFO L242 CegarLoopResult]: At program point L281(lines 281 287) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (and .cse1 .cse6 .cse3 .cse4))) [2019-12-07 14:52:57,505 INFO L246 CegarLoopResult]: For program point L248(lines 248 255) no Hoare annotation was computed. [2019-12-07 14:52:57,505 INFO L242 CegarLoopResult]: At program point L281-1(lines 281 287) the Hoare annotation is: false [2019-12-07 14:52:57,505 INFO L242 CegarLoopResult]: At program point L281-2(lines 281 287) the Hoare annotation is: false [2019-12-07 14:52:57,505 INFO L249 CegarLoopResult]: At program point L248-1(lines 248 255) the Hoare annotation is: true [2019-12-07 14:52:57,505 INFO L246 CegarLoopResult]: For program point L546(lines 546 552) no Hoare annotation was computed. [2019-12-07 14:52:57,505 INFO L242 CegarLoopResult]: At program point L546-1(lines 546 552) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse4) (and .cse1 .cse6 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse1 .cse4))) [2019-12-07 14:52:57,505 INFO L242 CegarLoopResult]: At program point L613(lines 608 616) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 14:52:57,505 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:52:57,506 INFO L246 CegarLoopResult]: For program point L87(lines 87 91) no Hoare annotation was computed. [2019-12-07 14:52:57,506 INFO L246 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2019-12-07 14:52:57,506 INFO L246 CegarLoopResult]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2019-12-07 14:52:57,506 INFO L246 CegarLoopResult]: For program point L452-3(lines 452 456) no Hoare annotation was computed. [2019-12-07 14:52:57,506 INFO L246 CegarLoopResult]: For program point L452-5(lines 452 456) no Hoare annotation was computed. [2019-12-07 14:52:57,506 INFO L246 CegarLoopResult]: For program point L452-6(lines 452 456) no Hoare annotation was computed. [2019-12-07 14:52:57,506 INFO L242 CegarLoopResult]: At program point L221(lines 217 223) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 14:52:57,506 INFO L246 CegarLoopResult]: For program point L452-8(lines 452 456) no Hoare annotation was computed. [2019-12-07 14:52:57,506 INFO L242 CegarLoopResult]: At program point L155(lines 150 158) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse2 .cse3))) [2019-12-07 14:52:57,506 INFO L246 CegarLoopResult]: For program point L452-9(lines 452 456) no Hoare annotation was computed. [2019-12-07 14:52:57,506 INFO L242 CegarLoopResult]: At program point L155-1(lines 150 158) the Hoare annotation is: false [2019-12-07 14:52:57,506 INFO L246 CegarLoopResult]: For program point L452-11(lines 452 456) no Hoare annotation was computed. [2019-12-07 14:52:57,506 INFO L242 CegarLoopResult]: At program point L155-2(lines 150 158) the Hoare annotation is: false [2019-12-07 14:52:57,506 INFO L246 CegarLoopResult]: For program point L452-12(lines 452 456) no Hoare annotation was computed. [2019-12-07 14:52:57,506 INFO L246 CegarLoopResult]: For program point L452-14(lines 452 456) no Hoare annotation was computed. [2019-12-07 14:52:57,506 INFO L246 CegarLoopResult]: For program point L452-15(lines 452 456) no Hoare annotation was computed. [2019-12-07 14:52:57,506 INFO L246 CegarLoopResult]: For program point L452-17(lines 452 456) no Hoare annotation was computed. [2019-12-07 14:52:57,507 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:52:57,507 INFO L249 CegarLoopResult]: At program point L257(lines 238 260) the Hoare annotation is: true [2019-12-07 14:52:57,507 INFO L246 CegarLoopResult]: For program point L556(lines 556 569) no Hoare annotation was computed. [2019-12-07 14:52:57,507 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:52:57,507 INFO L242 CegarLoopResult]: At program point L458(lines 443 461) the Hoare annotation is: false [2019-12-07 14:52:57,507 INFO L242 CegarLoopResult]: At program point L458-1(lines 443 461) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse6 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32))) (.cse9 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (and .cse0 .cse6 .cse5 .cse1 .cse7 .cse8 .cse9 .cse4) (and .cse0 .cse1 .cse6 .cse7 .cse3 .cse8 .cse9 .cse4))) [2019-12-07 14:52:57,507 INFO L242 CegarLoopResult]: At program point L458-2(lines 443 461) the Hoare annotation is: false [2019-12-07 14:52:57,507 INFO L242 CegarLoopResult]: At program point L458-3(lines 443 461) the Hoare annotation is: false [2019-12-07 14:52:57,507 INFO L242 CegarLoopResult]: At program point L458-4(lines 443 461) the Hoare annotation is: false [2019-12-07 14:52:57,507 INFO L242 CegarLoopResult]: At program point L458-5(lines 443 461) the Hoare annotation is: false [2019-12-07 14:52:57,507 INFO L246 CegarLoopResult]: For program point L63(lines 63 67) no Hoare annotation was computed. [2019-12-07 14:52:57,507 INFO L246 CegarLoopResult]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2019-12-07 14:52:57,507 INFO L246 CegarLoopResult]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2019-12-07 14:52:57,507 INFO L242 CegarLoopResult]: At program point L394(lines 387 397) the Hoare annotation is: false [2019-12-07 14:52:57,507 INFO L242 CegarLoopResult]: At program point L394-1(lines 387 397) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1 .cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32)))) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2019-12-07 14:52:57,507 INFO L242 CegarLoopResult]: At program point L394-2(lines 387 397) the Hoare annotation is: false [2019-12-07 14:52:57,507 INFO L242 CegarLoopResult]: At program point L394-3(lines 387 397) the Hoare annotation is: false [2019-12-07 14:52:57,508 INFO L242 CegarLoopResult]: At program point L394-4(lines 387 397) the Hoare annotation is: false [2019-12-07 14:52:57,508 INFO L242 CegarLoopResult]: At program point L394-5(lines 387 397) the Hoare annotation is: false [2019-12-07 14:52:57,508 INFO L246 CegarLoopResult]: For program point L527(lines 526 573) no Hoare annotation was computed. [2019-12-07 14:52:57,508 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:52:57,508 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 14:52:57,508 INFO L246 CegarLoopResult]: For program point L528(lines 528 532) no Hoare annotation was computed. [2019-12-07 14:52:57,508 INFO L242 CegarLoopResult]: At program point L100(lines 95 103) the Hoare annotation is: false [2019-12-07 14:52:57,508 INFO L242 CegarLoopResult]: At program point L100-1(lines 95 103) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3) (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1 .cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3))) [2019-12-07 14:52:57,508 INFO L242 CegarLoopResult]: At program point L100-2(lines 95 103) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse6 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse8 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse3 .cse4) (and .cse5 .cse7 .cse1 .cse2 .cse8 .cse4))) [2019-12-07 14:52:57,508 INFO L242 CegarLoopResult]: At program point L100-3(lines 95 103) the Hoare annotation is: false [2019-12-07 14:52:57,508 INFO L242 CegarLoopResult]: At program point L100-4(lines 95 103) the Hoare annotation is: false [2019-12-07 14:52:57,508 INFO L242 CegarLoopResult]: At program point L100-5(lines 95 103) the Hoare annotation is: false [2019-12-07 14:52:57,508 INFO L242 CegarLoopResult]: At program point L100-6(lines 95 103) the Hoare annotation is: false [2019-12-07 14:52:57,508 INFO L242 CegarLoopResult]: At program point L100-7(lines 95 103) the Hoare annotation is: false [2019-12-07 14:52:57,508 INFO L242 CegarLoopResult]: At program point L100-8(lines 95 103) the Hoare annotation is: false [2019-12-07 14:52:57,508 INFO L246 CegarLoopResult]: For program point L332(lines 332 349) no Hoare annotation was computed. [2019-12-07 14:52:57,509 INFO L246 CegarLoopResult]: For program point L332-1(lines 332 349) no Hoare annotation was computed. [2019-12-07 14:52:57,509 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 349) no Hoare annotation was computed. [2019-12-07 14:52:57,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:52:57 BoogieIcfgContainer [2019-12-07 14:52:57,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:52:57,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:52:57,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:52:57,543 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:52:57,544 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:52:39" (3/4) ... [2019-12-07 14:52:57,548 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:52:57,565 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 14:52:57,566 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 14:52:57,566 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 14:52:57,567 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 14:52:57,568 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 14:52:57,569 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:52:57,570 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:52:57,589 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-12-07 14:52:57,589 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-12-07 14:52:57,589 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == tmp) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 14:52:57,589 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == tmp) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 14:52:57,590 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0bv32 && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 14:52:57,591 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0bv32 && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((\result == 0bv32 && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 14:52:57,591 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 14:52:57,592 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 14:52:57,592 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0bv32 && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) || (((((((tmp == 0bv32 && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) [2019-12-07 14:52:57,592 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32)) || (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) [2019-12-07 14:52:57,593 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 14:52:57,594 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 14:52:57,636 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ce6a1f42-3637-48fe-b4e7-65cc08e8aed0/bin/utaipan/witness.graphml [2019-12-07 14:52:57,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:52:57,637 INFO L168 Benchmark]: Toolchain (without parser) took 18919.48 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 375.9 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -58.3 MB). Peak memory consumption was 317.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:52:57,637 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:52:57,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -155.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:52:57,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:52:57,638 INFO L168 Benchmark]: Boogie Preprocessor took 39.54 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 14:52:57,638 INFO L168 Benchmark]: RCFGBuilder took 630.20 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: 73.3 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:52:57,638 INFO L168 Benchmark]: TraceAbstraction took 17708.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 250.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.9 MB). Peak memory consumption was 469.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:52:57,639 INFO L168 Benchmark]: Witness Printer took 93.17 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:52:57,640 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 394.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -155.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.91 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. * Boogie Preprocessor took 39.54 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. * RCFGBuilder took 630.20 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: 73.3 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17708.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 250.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.9 MB). Peak memory consumption was 469.9 MB. Max. memory is 11.5 GB. * Witness Printer took 93.17 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(waterLevel, 4294967295bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((0bv32 == ~bvadd64(waterLevel, 4294967295bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32)) || (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == tmp) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: ((((\result == 0bv32 && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((\result == 0bv32 && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: (((((((tmp == 0bv32 && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) || (((((((tmp == 0bv32 && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: ((((((\result == 0bv32 && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == tmp) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Result: SAFE, OverallTime: 7.4s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.2s, HoareTripleCheckerStatistics: 1494 SDtfs, 2803 SDslu, 3736 SDs, 0 SdLazy, 548 SolverSat, 102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1020 GetRequests, 943 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=721occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 2686 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 192 NumberOfFragments, 1174 HoareAnnotationTreeSize, 55 FomulaSimplifications, 2260096 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 55 FomulaSimplificationsInter, 763216 FormulaSimplificationTreeSizeReductionInter, 9.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 501 NumberOfCodeBlocks, 501 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 974 ConstructedInterpolants, 0 QuantifiedInterpolants, 94968 SizeOfPredicates, 38 NumberOfNonLiveVariables, 2867 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 76/112 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...