./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product28.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_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/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 bccdbc1fe3b58d50f3d739d9520ef3bab8ad5778 ...................................................................................................................................... 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_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/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 bccdbc1fe3b58d50f3d739d9520ef3bab8ad5778 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:08:09,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:08:09,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:08:09,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:08:09,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:08:09,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:08:09,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:08:09,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:08:09,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:08:09,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:08:09,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:08:09,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:08:09,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:08:09,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:08:09,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:08:09,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:08:09,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:08:09,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:08:09,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:08:09,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:08:09,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:08:09,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:08:09,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:08:09,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:08:09,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:08:09,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:08:09,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:08:09,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:08:09,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:08:09,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:08:09,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:08:09,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:08:09,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:08:09,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:08:09,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:08:09,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:08:09,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:08:09,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:08:09,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:08:09,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:08:09,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:08:09,214 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 16:08:09,223 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:08:09,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:08:09,224 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:08:09,224 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:08:09,224 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:08:09,224 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:08:09,224 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 16:08:09,224 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:08:09,225 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:08:09,225 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 16:08:09,225 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 16:08:09,225 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:08:09,225 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 16:08:09,225 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 16:08:09,225 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 16:08:09,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:08:09,226 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:08:09,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:08:09,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:08:09,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:08:09,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:08:09,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:08:09,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:08:09,226 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:08:09,227 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:08:09,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:08:09,227 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:08:09,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:08:09,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:08:09,227 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:08:09,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:08:09,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:08:09,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:08:09,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:08:09,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:08:09,228 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 16:08:09,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:08:09,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:08:09,228 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:08:09,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:08:09,228 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_85de73a7-b34b-423c-9b66-649c61e94646/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 -> bccdbc1fe3b58d50f3d739d9520ef3bab8ad5778 [2019-12-07 16:08:09,327 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:08:09,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:08:09,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:08:09,338 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:08:09,338 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:08:09,338 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2019-12-07 16:08:09,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/data/487d03125/3f3a7b4f09e54adf8b83bb5fe1e4a639/FLAGd31a0f005 [2019-12-07 16:08:09,749 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:08:09,749 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2019-12-07 16:08:09,758 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/data/487d03125/3f3a7b4f09e54adf8b83bb5fe1e4a639/FLAGd31a0f005 [2019-12-07 16:08:09,768 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/data/487d03125/3f3a7b4f09e54adf8b83bb5fe1e4a639 [2019-12-07 16:08:09,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:08:09,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:08:09,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:08:09,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:08:09,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:08:09,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:08:09" (1/1) ... [2019-12-07 16:08:09,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e771f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:09, skipping insertion in model container [2019-12-07 16:08:09,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:08:09" (1/1) ... [2019-12-07 16:08:09,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:08:09,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:08:10,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:08:10,045 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 16:08:10,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7550a03a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:10, skipping insertion in model container [2019-12-07 16:08:10,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:08:10,046 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 16:08:10,048 INFO L168 Benchmark]: Toolchain (without parser) took 275.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:10,048 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 957.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:08:10,049 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:10,050 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 957.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 273.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 612]: 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 16:08:11,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:08:11,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:08:11,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:08:11,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:08:11,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:08:11,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:08:11,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:08:11,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:08:11,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:08:11,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:08:11,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:08:11,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:08:11,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:08:11,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:08:11,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:08:11,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:08:11,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:08:11,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:08:11,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:08:11,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:08:11,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:08:11,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:08:11,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:08:11,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:08:11,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:08:11,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:08:11,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:08:11,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:08:11,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:08:11,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:08:11,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:08:11,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:08:11,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:08:11,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:08:11,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:08:11,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:08:11,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:08:11,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:08:11,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:08:11,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:08:11,254 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 16:08:11,266 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:08:11,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:08:11,267 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:08:11,267 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:08:11,268 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:08:11,268 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:08:11,268 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:08:11,268 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:08:11,268 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:08:11,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:08:11,269 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:08:11,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:08:11,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:08:11,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:08:11,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:08:11,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:08:11,270 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:08:11,270 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:08:11,270 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:08:11,270 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:08:11,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:08:11,271 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:08:11,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:08:11,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:08:11,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:08:11,271 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:08:11,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:08:11,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:08:11,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:08:11,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:08:11,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:08:11,272 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 16:08:11,272 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:08:11,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:08:11,272 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:08:11,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:08:11,273 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_85de73a7-b34b-423c-9b66-649c61e94646/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 -> bccdbc1fe3b58d50f3d739d9520ef3bab8ad5778 [2019-12-07 16:08:11,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:08:11,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:08:11,440 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:08:11,441 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:08:11,441 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:08:11,441 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2019-12-07 16:08:11,478 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/data/8a4993cef/a1a9a2c090d447af914763d031c7c9c8/FLAG69f59f44e [2019-12-07 16:08:11,942 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:08:11,943 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2019-12-07 16:08:11,951 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/data/8a4993cef/a1a9a2c090d447af914763d031c7c9c8/FLAG69f59f44e [2019-12-07 16:08:11,960 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/data/8a4993cef/a1a9a2c090d447af914763d031c7c9c8 [2019-12-07 16:08:11,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:08:11,963 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:08:11,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:08:11,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:08:11,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:08:11,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:08:11" (1/1) ... [2019-12-07 16:08:11,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:11, skipping insertion in model container [2019-12-07 16:08:11,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:08:11" (1/1) ... [2019-12-07 16:08:11,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:08:11,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:08:12,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:08:12,233 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 16:08:12,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:08:12,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:08:12,295 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:08:12,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:08:12,377 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:08:12,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:12 WrapperNode [2019-12-07 16:08:12,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:08:12,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:08:12,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:08:12,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:08:12,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:12" (1/1) ... [2019-12-07 16:08:12,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:12" (1/1) ... [2019-12-07 16:08:12,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:08:12,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:08:12,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:08:12,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:08:12,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:12" (1/1) ... [2019-12-07 16:08:12,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:12" (1/1) ... [2019-12-07 16:08:12,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:12" (1/1) ... [2019-12-07 16:08:12,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:12" (1/1) ... [2019-12-07 16:08:12,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:12" (1/1) ... [2019-12-07 16:08:12,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:12" (1/1) ... [2019-12-07 16:08:12,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:12" (1/1) ... [2019-12-07 16:08:12,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:08:12,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:08:12,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:08:12,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:08:12,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/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 16:08:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:08:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 16:08:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:08:12,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:08:12,954 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:08:12,955 INFO L287 CfgBuilder]: Removed 108 assume(true) statements. [2019-12-07 16:08:12,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:08:12 BoogieIcfgContainer [2019-12-07 16:08:12,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:08:12,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:08:12,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:08:12,958 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:08:12,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:08:11" (1/3) ... [2019-12-07 16:08:12,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b4c7a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:08:12, skipping insertion in model container [2019-12-07 16:08:12,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:08:12" (2/3) ... [2019-12-07 16:08:12,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b4c7a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:08:12, skipping insertion in model container [2019-12-07 16:08:12,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:08:12" (3/3) ... [2019-12-07 16:08:12,961 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product28.cil.c [2019-12-07 16:08:12,968 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:08:12,973 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 16:08:12,981 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 16:08:12,997 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:08:12,998 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:08:12,998 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:08:12,998 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:08:12,998 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:08:12,998 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:08:12,998 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:08:12,998 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:08:13,009 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2019-12-07 16:08:13,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 16:08:13,013 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:13,014 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 16:08:13,014 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:08:13,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:13,018 INFO L82 PathProgramCache]: Analyzing trace with hash -93315333, now seen corresponding path program 1 times [2019-12-07 16:08:13,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:08:13,026 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [328163938] [2019-12-07 16:08:13,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/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 16:08:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:13,192 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 16:08:13,196 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:08:13,207 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 16:08:13,207 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:08:13,211 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 16:08:13,212 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [328163938] [2019-12-07 16:08:13,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:13,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:08:13,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199608000] [2019-12-07 16:08:13,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:08:13,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:08:13,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:08:13,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:08:13,227 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 2 states. [2019-12-07 16:08:13,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:13,245 INFO L93 Difference]: Finished difference Result 160 states and 239 transitions. [2019-12-07 16:08:13,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:08:13,246 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 16:08:13,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:13,254 INFO L225 Difference]: With dead ends: 160 [2019-12-07 16:08:13,254 INFO L226 Difference]: Without dead ends: 79 [2019-12-07 16:08:13,256 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 16:08:13,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-12-07 16:08:13,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2019-12-07 16:08:13,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-12-07 16:08:13,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 111 transitions. [2019-12-07 16:08:13,285 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 111 transitions. Word has length 18 [2019-12-07 16:08:13,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:13,285 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 111 transitions. [2019-12-07 16:08:13,285 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:08:13,285 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2019-12-07 16:08:13,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 16:08:13,286 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:13,287 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 16:08:13,487 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:08:13,488 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:08:13,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:13,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1004346086, now seen corresponding path program 1 times [2019-12-07 16:08:13,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:08:13,490 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879439675] [2019-12-07 16:08:13,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/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 16:08:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:13,677 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:08:13,679 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:08:13,692 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 16:08:13,693 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:08:13,702 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 16:08:13,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1879439675] [2019-12-07 16:08:13,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:13,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 16:08:13,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526890670] [2019-12-07 16:08:13,704 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:08:13,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:08:13,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:08:13,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:13,704 INFO L87 Difference]: Start difference. First operand 79 states and 111 transitions. Second operand 4 states. [2019-12-07 16:08:13,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:13,717 INFO L93 Difference]: Finished difference Result 79 states and 111 transitions. [2019-12-07 16:08:13,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:08:13,718 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 16:08:13,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:13,719 INFO L225 Difference]: With dead ends: 79 [2019-12-07 16:08:13,719 INFO L226 Difference]: Without dead ends: 37 [2019-12-07 16:08:13,720 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 16:08:13,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-12-07 16:08:13,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-12-07 16:08:13,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-12-07 16:08:13,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2019-12-07 16:08:13,726 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2019-12-07 16:08:13,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:13,726 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2019-12-07 16:08:13,726 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:08:13,726 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2019-12-07 16:08:13,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 16:08:13,727 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:13,727 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 16:08:13,928 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:08:13,928 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:08:13,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:13,928 INFO L82 PathProgramCache]: Analyzing trace with hash 2100491951, now seen corresponding path program 1 times [2019-12-07 16:08:13,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:08:13,929 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832955165] [2019-12-07 16:08:13,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/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 16:08:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:14,036 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:08:14,037 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:08:14,044 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 16:08:14,044 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:08:14,051 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 16:08:14,051 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832955165] [2019-12-07 16:08:14,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:14,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 16:08:14,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029413355] [2019-12-07 16:08:14,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:08:14,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:08:14,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:08:14,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:08:14,052 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 4 states. [2019-12-07 16:08:14,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:14,114 INFO L93 Difference]: Finished difference Result 124 states and 181 transitions. [2019-12-07 16:08:14,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:08:14,114 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 16:08:14,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:14,115 INFO L225 Difference]: With dead ends: 124 [2019-12-07 16:08:14,116 INFO L226 Difference]: Without dead ends: 93 [2019-12-07 16:08:14,116 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 16:08:14,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-12-07 16:08:14,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 58. [2019-12-07 16:08:14,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-12-07 16:08:14,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 84 transitions. [2019-12-07 16:08:14,127 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 84 transitions. Word has length 24 [2019-12-07 16:08:14,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:14,127 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 84 transitions. [2019-12-07 16:08:14,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:08:14,127 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2019-12-07 16:08:14,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 16:08:14,128 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:14,128 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 16:08:14,329 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 16:08:14,329 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:08:14,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:14,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1826320204, now seen corresponding path program 1 times [2019-12-07 16:08:14,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:08:14,330 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1786233225] [2019-12-07 16:08:14,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/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 16:08:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:08:14,429 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:08:14,430 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:08:14,446 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 16:08:14,446 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:08:14,471 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 16:08:14,472 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1786233225] [2019-12-07 16:08:14,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:08:14,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 16:08:14,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381863253] [2019-12-07 16:08:14,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 16:08:14,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:08:14,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 16:08:14,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:08:14,473 INFO L87 Difference]: Start difference. First operand 58 states and 84 transitions. Second operand 8 states. [2019-12-07 16:08:14,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:08:14,729 INFO L93 Difference]: Finished difference Result 602 states and 924 transitions. [2019-12-07 16:08:14,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 16:08:14,730 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2019-12-07 16:08:14,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:08:14,735 INFO L225 Difference]: With dead ends: 602 [2019-12-07 16:08:14,735 INFO L226 Difference]: Without dead ends: 550 [2019-12-07 16:08:14,736 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-12-07 16:08:14,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2019-12-07 16:08:14,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 148. [2019-12-07 16:08:14,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-12-07 16:08:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 214 transitions. [2019-12-07 16:08:14,763 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 214 transitions. Word has length 25 [2019-12-07 16:08:14,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:08:14,763 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 214 transitions. [2019-12-07 16:08:14,763 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 16:08:14,763 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 214 transitions. [2019-12-07 16:08:14,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 16:08:14,765 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:08:14,765 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 16:08:14,966 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 16:08:14,967 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:08:14,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:08:14,967 INFO L82 PathProgramCache]: Analyzing trace with hash 509338102, now seen corresponding path program 1 times [2019-12-07 16:08:14,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:08:14,968 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115136020] [2019-12-07 16:08:14,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/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 16:08:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:08:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:08:16,852 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 16:08:16,853 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 16:08:17,053 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 16:08:17,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:08:17 BoogieIcfgContainer [2019-12-07 16:08:17,117 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:08:17,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:08:17,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:08:17,118 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:08:17,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:08:12" (3/4) ... [2019-12-07 16:08:17,120 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 16:08:17,176 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_85de73a7-b34b-423c-9b66-649c61e94646/bin/utaipan/witness.graphml [2019-12-07 16:08:17,176 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:08:17,178 INFO L168 Benchmark]: Toolchain (without parser) took 5214.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 952.4 MB in the beginning and 794.9 MB in the end (delta: 157.5 MB). Peak memory consumption was 291.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:17,178 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:08:17,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:17,178 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:17,179 INFO L168 Benchmark]: Boogie Preprocessor took 28.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:17,179 INFO L168 Benchmark]: RCFGBuilder took 502.46 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: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:17,179 INFO L168 Benchmark]: TraceAbstraction took 4160.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 805.8 MB in the end (delta: 219.8 MB). Peak memory consumption was 219.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:17,180 INFO L168 Benchmark]: Witness Printer took 58.80 ms. Allocated memory is still 1.2 GB. Free memory was 805.8 MB in the beginning and 794.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:08:17,181 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 414.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 502.46 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: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4160.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 805.8 MB in the end (delta: 219.8 MB). Peak memory consumption was 219.8 MB. Max. memory is 11.5 GB. * Witness Printer took 58.80 ms. Allocated memory is still 1.2 GB. Free memory was 805.8 MB in the beginning and 794.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 545]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L89] int pumpRunning = 0; [L90] int systemActive = 1; [L356] int waterLevel = 1; [L357] int methaneLevelCritical = 0; [L445] int cleanupTimeShifts = 4; [L753] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L518] int retValue_acc ; [L519] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L525] tmp = valid_product() [L527] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L287] int splverifierCounter ; [L288] int tmp ; [L289] int tmp___0 ; [L290] int tmp___1 ; [L291] int tmp___2 ; [L294] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L296] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L298] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L304] tmp = __VERIFIER_nondet_int() [L306] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L374] COND TRUE waterLevel < 2 [L375] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L314] tmp___0 = __VERIFIER_nondet_int() [L316] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L324] tmp___2 = __VERIFIER_nondet_int() [L326] COND TRUE \read(tmp___2) [L278] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L97] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L104] COND TRUE \read(systemActive) [L126] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L129] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L551] int tmp ; [L552] int tmp___0 ; [L553] int tmp___1 ; [L395] int retValue_acc ; [L398] retValue_acc = methaneLevelCritical [L399] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L557] tmp = isMethaneLevelCritical() [L559] COND FALSE !(\read(tmp)) [L427] int retValue_acc ; [L430] retValue_acc = waterLevel [L431] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L563] tmp___0 = getWaterLevel() [L565] COND TRUE tmp___0 == 2 [L196] int retValue_acc ; [L199] retValue_acc = pumpRunning [L200] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L567] tmp___1 = isPumpRunning() [L569] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L545] __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, 83 locations, 3 error locations. Result: UNSAFE, OverallTime: 4.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 301 SDtfs, 575 SDslu, 752 SDs, 0 SdLazy, 128 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred 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, 437 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 8246 SizeOfPredicates, 6 NumberOfNonLiveVariables, 736 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...