./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product13.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_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/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 35ec611011aa6867bf0bb36080e273ba993b072e ...................................................................................................................................... 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_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/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 35ec611011aa6867bf0bb36080e273ba993b072e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 19:58:21,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:58:21,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:58:21,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:58:21,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:58:21,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:58:21,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:58:21,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:58:21,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:58:21,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:58:21,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:58:21,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:58:21,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:58:21,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:58:21,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:58:21,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:58:21,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:58:21,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:58:21,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:58:21,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:58:21,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:58:21,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:58:21,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:58:21,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:58:21,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:58:21,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:58:21,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:58:21,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:58:21,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:58:21,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:58:21,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:58:21,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:58:21,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:58:21,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:58:21,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:58:21,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:58:21,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:58:21,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:58:21,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:58:21,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:58:21,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:58:21,222 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 19:58:21,232 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:58:21,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:58:21,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:58:21,233 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:58:21,233 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:58:21,233 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:58:21,234 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 19:58:21,234 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:58:21,234 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:58:21,234 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 19:58:21,234 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 19:58:21,234 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:58:21,234 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 19:58:21,235 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 19:58:21,235 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 19:58:21,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:58:21,235 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:58:21,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 19:58:21,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:58:21,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:58:21,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:58:21,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:58:21,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:58:21,236 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:58:21,236 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:58:21,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:58:21,237 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:58:21,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:58:21,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:58:21,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:58:21,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:58:21,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:58:21,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:58:21,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:58:21,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:58:21,238 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 19:58:21,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 19:58:21,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:58:21,239 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:58:21,239 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:58:21,239 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_3034890a-9002-4433-b6c6-ece26be8f04a/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 -> 35ec611011aa6867bf0bb36080e273ba993b072e [2019-12-07 19:58:21,340 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:58:21,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:58:21,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:58:21,355 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:58:21,355 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:58:21,356 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c [2019-12-07 19:58:21,403 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/data/dca82df50/e5cf1cbcdabb40488229b55a2dc7fe4a/FLAG03c907125 [2019-12-07 19:58:21,842 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:58:21,842 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c [2019-12-07 19:58:21,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/data/dca82df50/e5cf1cbcdabb40488229b55a2dc7fe4a/FLAG03c907125 [2019-12-07 19:58:21,860 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/data/dca82df50/e5cf1cbcdabb40488229b55a2dc7fe4a [2019-12-07 19:58:21,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:58:21,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:58:21,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:58:21,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:58:21,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:58:21,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:58:21" (1/1) ... [2019-12-07 19:58:21,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee16a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:21, skipping insertion in model container [2019-12-07 19:58:21,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:58:21" (1/1) ... [2019-12-07 19:58:21,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:58:21,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:58:22,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:58:22,127 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 19:58:22,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@706dedbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:22, skipping insertion in model container [2019-12-07 19:58:22,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:58:22,128 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 19:58:22,129 INFO L168 Benchmark]: Toolchain (without parser) took 266.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2019-12-07 19:58:22,130 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:58:22,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 19:58:22,131 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 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 264.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 553]: 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 19:58:23,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:58:23,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:58:23,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:58:23,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:58:23,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:58:23,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:58:23,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:58:23,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:58:23,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:58:23,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:58:23,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:58:23,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:58:23,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:58:23,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:58:23,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:58:23,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:58:23,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:58:23,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:58:23,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:58:23,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:58:23,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:58:23,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:58:23,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:58:23,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:58:23,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:58:23,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:58:23,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:58:23,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:58:23,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:58:23,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:58:23,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:58:23,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:58:23,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:58:23,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:58:23,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:58:23,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:58:23,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:58:23,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:58:23,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:58:23,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:58:23,267 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 19:58:23,277 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:58:23,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:58:23,278 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:58:23,278 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:58:23,278 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:58:23,278 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:58:23,279 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:58:23,279 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:58:23,279 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:58:23,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:58:23,279 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:58:23,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:58:23,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:58:23,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:58:23,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:58:23,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:58:23,280 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:58:23,280 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 19:58:23,280 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 19:58:23,281 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:58:23,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:58:23,281 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:58:23,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:58:23,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:58:23,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 19:58:23,281 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:58:23,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:58:23,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:58:23,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:58:23,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:58:23,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:58:23,282 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 19:58:23,282 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 19:58:23,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:58:23,282 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:58:23,283 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:58:23,283 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_3034890a-9002-4433-b6c6-ece26be8f04a/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 -> 35ec611011aa6867bf0bb36080e273ba993b072e [2019-12-07 19:58:23,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:58:23,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:58:23,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:58:23,472 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:58:23,473 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:58:23,473 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c [2019-12-07 19:58:23,513 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/data/5a9e17a68/4528b55be75e4ff18f5248bdc2f0887d/FLAG72b83bd71 [2019-12-07 19:58:23,959 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:58:23,959 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c [2019-12-07 19:58:23,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/data/5a9e17a68/4528b55be75e4ff18f5248bdc2f0887d/FLAG72b83bd71 [2019-12-07 19:58:24,297 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/data/5a9e17a68/4528b55be75e4ff18f5248bdc2f0887d [2019-12-07 19:58:24,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:58:24,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:58:24,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:58:24,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:58:24,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:58:24,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:58:24" (1/1) ... [2019-12-07 19:58:24,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:24, skipping insertion in model container [2019-12-07 19:58:24,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:58:24" (1/1) ... [2019-12-07 19:58:24,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:58:24,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:58:24,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:58:24,575 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 19:58:24,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:58:24,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:58:24,637 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:58:24,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:58:24,700 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:58:24,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:24 WrapperNode [2019-12-07 19:58:24,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:58:24,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:58:24,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:58:24,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:58:24,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:24" (1/1) ... [2019-12-07 19:58:24,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:24" (1/1) ... [2019-12-07 19:58:24,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:58:24,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:58:24,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:58:24,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:58:24,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:24" (1/1) ... [2019-12-07 19:58:24,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:24" (1/1) ... [2019-12-07 19:58:24,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:24" (1/1) ... [2019-12-07 19:58:24,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:24" (1/1) ... [2019-12-07 19:58:24,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:24" (1/1) ... [2019-12-07 19:58:24,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:24" (1/1) ... [2019-12-07 19:58:24,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:24" (1/1) ... [2019-12-07 19:58:24,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:58:24,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:58:24,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:58:24,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:58:24,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/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 19:58:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:58:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 19:58:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:58:24,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:58:25,260 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:58:25,260 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-12-07 19:58:25,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:58:25 BoogieIcfgContainer [2019-12-07 19:58:25,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:58:25,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:58:25,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:58:25,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:58:25,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:58:24" (1/3) ... [2019-12-07 19:58:25,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e78d17b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:58:25, skipping insertion in model container [2019-12-07 19:58:25,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:58:24" (2/3) ... [2019-12-07 19:58:25,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e78d17b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:58:25, skipping insertion in model container [2019-12-07 19:58:25,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:58:25" (3/3) ... [2019-12-07 19:58:25,268 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product13.cil.c [2019-12-07 19:58:25,278 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:58:25,284 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 19:58:25,294 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 19:58:25,311 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:58:25,311 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:58:25,311 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:58:25,312 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:58:25,312 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:58:25,312 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:58:25,312 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:58:25,312 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:58:25,325 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-12-07 19:58:25,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 19:58:25,329 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:58:25,330 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:58:25,330 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:58:25,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:58:25,334 INFO L82 PathProgramCache]: Analyzing trace with hash 452053251, now seen corresponding path program 1 times [2019-12-07 19:58:25,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:58:25,343 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940932722] [2019-12-07 19:58:25,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/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 19:58:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:58:25,498 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 19:58:25,502 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:58:25,514 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 19:58:25,514 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:58:25,519 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 19:58:25,520 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940932722] [2019-12-07 19:58:25,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:58:25,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 19:58:25,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834373670] [2019-12-07 19:58:25,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:58:25,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:58:25,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:58:25,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:58:25,536 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-12-07 19:58:25,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:58:25,557 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-12-07 19:58:25,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:58:25,558 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 19:58:25,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:58:25,567 INFO L225 Difference]: With dead ends: 144 [2019-12-07 19:58:25,567 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 19:58:25,570 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 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 19:58:25,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 19:58:25,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-07 19:58:25,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 19:58:25,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-12-07 19:58:25,601 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 18 [2019-12-07 19:58:25,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:58:25,602 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-12-07 19:58:25,602 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:58:25,602 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-12-07 19:58:25,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 19:58:25,603 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:58:25,603 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:58:25,804 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 19:58:25,804 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:58:25,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:58:25,805 INFO L82 PathProgramCache]: Analyzing trace with hash -458977502, now seen corresponding path program 1 times [2019-12-07 19:58:25,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:58:25,807 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [835038684] [2019-12-07 19:58:25,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/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 19:58:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:58:26,075 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:58:26,077 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:58:26,092 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 19:58:26,093 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:58:26,103 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 19:58:26,103 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [835038684] [2019-12-07 19:58:26,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:58:26,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 19:58:26,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135375036] [2019-12-07 19:58:26,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:58:26,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:58:26,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:58:26,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:58:26,106 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 4 states. [2019-12-07 19:58:26,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:58:26,119 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-12-07 19:58:26,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:58:26,120 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 19:58:26,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:58:26,120 INFO L225 Difference]: With dead ends: 71 [2019-12-07 19:58:26,121 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 19:58:26,121 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 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 19:58:26,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 19:58:26,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 19:58:26,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 19:58:26,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-12-07 19:58:26,126 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2019-12-07 19:58:26,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:58:26,126 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-12-07 19:58:26,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:58:26,126 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-07 19:58:26,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 19:58:26,127 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:58:26,127 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 19:58:26,328 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 19:58:26,329 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:58:26,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:58:26,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1835969560, now seen corresponding path program 1 times [2019-12-07 19:58:26,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:58:26,332 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [427222394] [2019-12-07 19:58:26,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/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 19:58:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:58:26,561 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:58:26,563 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:58:26,571 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 19:58:26,571 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:58:26,578 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 19:58:26,579 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [427222394] [2019-12-07 19:58:26,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:58:26,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 19:58:26,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088628227] [2019-12-07 19:58:26,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:58:26,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:58:26,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:58:26,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:58:26,580 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2019-12-07 19:58:26,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:58:26,586 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-12-07 19:58:26,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:58:26,587 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 19:58:26,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:58:26,587 INFO L225 Difference]: With dead ends: 60 [2019-12-07 19:58:26,587 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 19:58:26,588 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 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 19:58:26,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 19:58:26,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 19:58:26,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 19:58:26,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-12-07 19:58:26,592 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2019-12-07 19:58:26,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:58:26,592 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-12-07 19:58:26,592 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:58:26,593 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-12-07 19:58:26,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 19:58:26,593 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:58:26,594 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] [2019-12-07 19:58:26,794 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 19:58:26,795 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:58:26,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:58:26,795 INFO L82 PathProgramCache]: Analyzing trace with hash -678170013, now seen corresponding path program 1 times [2019-12-07 19:58:26,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:58:26,796 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1258667992] [2019-12-07 19:58:26,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/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 19:58:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:58:26,942 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 19:58:26,944 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:58:26,959 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 19:58:26,960 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:58:26,983 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 19:58:26,984 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1258667992] [2019-12-07 19:58:26,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:58:26,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 19:58:26,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717571838] [2019-12-07 19:58:26,984 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 19:58:26,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:58:26,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 19:58:26,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 19:58:26,985 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 8 states. [2019-12-07 19:58:27,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:58:27,191 INFO L93 Difference]: Finished difference Result 308 states and 461 transitions. [2019-12-07 19:58:27,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 19:58:27,192 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2019-12-07 19:58:27,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:58:27,194 INFO L225 Difference]: With dead ends: 308 [2019-12-07 19:58:27,194 INFO L226 Difference]: Without dead ends: 281 [2019-12-07 19:58:27,195 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-12-07 19:58:27,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2019-12-07 19:58:27,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 78. [2019-12-07 19:58:27,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-12-07 19:58:27,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2019-12-07 19:58:27,209 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 25 [2019-12-07 19:58:27,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:58:27,210 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2019-12-07 19:58:27,210 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 19:58:27,210 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2019-12-07 19:58:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 19:58:27,211 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:58:27,211 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:58:27,411 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 19:58:27,412 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:58:27,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:58:27,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1657488293, now seen corresponding path program 1 times [2019-12-07 19:58:27,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:58:27,412 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [118764489] [2019-12-07 19:58:27,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/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 19:58:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:58:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:58:28,692 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 19:58:28,692 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 19:58:28,893 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 19:58:28,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:58:28 BoogieIcfgContainer [2019-12-07 19:58:28,959 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:58:28,960 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:58:28,960 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:58:28,960 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:58:28,960 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:58:25" (3/4) ... [2019-12-07 19:58:28,962 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 19:58:29,018 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3034890a-9002-4433-b6c6-ece26be8f04a/bin/utaipan/witness.graphml [2019-12-07 19:58:29,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:58:29,020 INFO L168 Benchmark]: Toolchain (without parser) took 4715.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 947.0 MB in the beginning and 805.4 MB in the end (delta: 141.6 MB). Peak memory consumption was 263.3 MB. Max. memory is 11.5 GB. [2019-12-07 19:58:29,020 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:58:29,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -150.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 19:58:29,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.30 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 19:58:29,021 INFO L168 Benchmark]: Boogie Preprocessor took 27.25 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:58:29,021 INFO L168 Benchmark]: RCFGBuilder took 491.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-12-07 19:58:29,021 INFO L168 Benchmark]: TraceAbstraction took 3696.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 812.1 MB in the end (delta: 212.9 MB). Peak memory consumption was 212.9 MB. Max. memory is 11.5 GB. [2019-12-07 19:58:29,022 INFO L168 Benchmark]: Witness Printer took 58.45 ms. Allocated memory is still 1.2 GB. Free memory was 812.1 MB in the beginning and 805.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:58:29,023 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 394.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -150.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.30 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 27.25 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 491.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3696.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 812.1 MB in the end (delta: 212.9 MB). Peak memory consumption was 212.9 MB. Max. memory is 11.5 GB. * Witness Printer took 58.45 ms. Allocated memory is still 1.2 GB. Free memory was 812.1 MB in the beginning and 805.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 168]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L173] int cleanupTimeShifts = 4; [L275] int pumpRunning = 0; [L276] int systemActive = 1; [L694] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L249] int retValue_acc ; [L250] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L155] int retValue_acc ; [L158] retValue_acc = 1 [L159] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L256] tmp = valid_product() [L258] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L461] int splverifierCounter ; [L462] int tmp ; [L463] int tmp___0 ; [L464] int tmp___1 ; [L465] int tmp___2 ; [L468] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L470] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L472] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L478] tmp = __VERIFIER_nondet_int() [L480] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L64] COND TRUE waterLevel < 2 [L65] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L488] tmp___0 = __VERIFIER_nondet_int() [L490] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L498] tmp___2 = __VERIFIER_nondet_int() [L500] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L283] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L290] COND TRUE \read(systemActive) [L312] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L315] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L427] int tmp ; [L428] int tmp___0 ; [L429] int tmp___1 ; [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L433] tmp = isMethaneLevelCritical() [L435] COND FALSE !(\read(tmp)) [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L439] tmp___0 = getWaterLevel() [L441] COND TRUE tmp___0 == 2 [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L443] tmp___1 = isPumpRunning() [L445] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L168] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: UNSAFE, OverallTime: 3.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 264 SDtfs, 572 SDslu, 537 SDs, 0 SdLazy, 101 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 203 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 10339 SizeOfPredicates, 6 NumberOfNonLiveVariables, 734 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...