./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product03.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_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/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 1d1eb208d6efd7de1545c84c5a943059f225aacb ...................................................................................................................................... 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_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/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 1d1eb208d6efd7de1545c84c5a943059f225aacb ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:58:05,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:58:05,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:58:05,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:58:05,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:58:05,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:58:05,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:58:05,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:58:05,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:58:05,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:58:05,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:58:05,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:58:05,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:58:05,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:58:05,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:58:05,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:58:05,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:58:05,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:58:05,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:58:05,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:58:05,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:58:05,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:58:05,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:58:05,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:58:05,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:58:05,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:58:05,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:58:05,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:58:05,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:58:05,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:58:05,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:58:05,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:58:05,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:58:05,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:58:05,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:58:05,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:58:05,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:58:05,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:58:05,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:58:05,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:58:05,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:58:05,303 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 15:58:05,315 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:58:05,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:58:05,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 15:58:05,315 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 15:58:05,316 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 15:58:05,316 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 15:58:05,316 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 15:58:05,316 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 15:58:05,316 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 15:58:05,316 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 15:58:05,316 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 15:58:05,316 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 15:58:05,317 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 15:58:05,317 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 15:58:05,317 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 15:58:05,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:58:05,317 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:58:05,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:58:05,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:58:05,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:58:05,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:58:05,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:58:05,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:58:05,318 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:58:05,318 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:58:05,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:58:05,319 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:58:05,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:58:05,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:58:05,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:58:05,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:58:05,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:58:05,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:58:05,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:58:05,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:58:05,320 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 15:58:05,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:58:05,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:58:05,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:58:05,320 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:58:05,320 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_2c1152f3-4457-4309-8407-faea37d3eee1/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 -> 1d1eb208d6efd7de1545c84c5a943059f225aacb [2019-12-07 15:58:05,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:58:05,437 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:58:05,440 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:58:05,440 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:58:05,441 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:58:05,441 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c [2019-12-07 15:58:05,478 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/data/57c83fd42/02578d3cc2e14c94a8fbe5592f0215b7/FLAG2e1d4e664 [2019-12-07 15:58:05,935 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:58:05,936 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c [2019-12-07 15:58:05,943 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/data/57c83fd42/02578d3cc2e14c94a8fbe5592f0215b7/FLAG2e1d4e664 [2019-12-07 15:58:06,263 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/data/57c83fd42/02578d3cc2e14c94a8fbe5592f0215b7 [2019-12-07 15:58:06,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:58:06,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:58:06,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:58:06,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:58:06,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:58:06,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:58:06" (1/1) ... [2019-12-07 15:58:06,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf3238d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:06, skipping insertion in model container [2019-12-07 15:58:06,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:58:06" (1/1) ... [2019-12-07 15:58:06,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:58:06,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:58:06,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:58:06,525 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 15:58:06,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b1eb805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:06, skipping insertion in model container [2019-12-07 15:58:06,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:58:06,526 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 15:58:06,528 INFO L168 Benchmark]: Toolchain (without parser) took 258.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -188.8 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:58:06,528 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:58:06,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -194.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:58:06,530 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 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 254.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -194.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 270]: 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 15:58:07,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:58:07,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:58:07,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:58:07,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:58:07,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:58:07,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:58:07,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:58:07,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:58:07,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:58:07,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:58:07,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:58:07,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:58:07,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:58:07,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:58:07,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:58:07,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:58:07,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:58:07,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:58:07,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:58:07,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:58:07,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:58:07,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:58:07,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:58:07,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:58:07,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:58:07,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:58:07,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:58:07,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:58:07,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:58:07,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:58:07,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:58:07,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:58:07,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:58:07,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:58:07,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:58:07,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:58:07,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:58:07,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:58:07,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:58:07,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:58:07,710 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 15:58:07,721 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:58:07,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:58:07,721 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 15:58:07,722 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 15:58:07,722 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 15:58:07,722 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 15:58:07,722 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 15:58:07,722 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 15:58:07,722 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 15:58:07,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:58:07,723 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:58:07,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:58:07,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:58:07,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:58:07,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:58:07,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:58:07,724 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:58:07,724 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 15:58:07,724 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 15:58:07,724 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:58:07,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:58:07,724 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:58:07,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:58:07,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:58:07,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:58:07,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:58:07,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:58:07,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:58:07,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:58:07,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:58:07,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:58:07,726 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 15:58:07,726 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 15:58:07,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:58:07,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:58:07,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:58:07,726 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_2c1152f3-4457-4309-8407-faea37d3eee1/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 -> 1d1eb208d6efd7de1545c84c5a943059f225aacb [2019-12-07 15:58:07,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:58:07,903 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:58:07,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:58:07,907 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:58:07,907 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:58:07,908 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c [2019-12-07 15:58:07,951 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/data/4d3c3d1ed/7609db1da9e54019bf596c79a50f0148/FLAG91d0efc12 [2019-12-07 15:58:08,413 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:58:08,414 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c [2019-12-07 15:58:08,423 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/data/4d3c3d1ed/7609db1da9e54019bf596c79a50f0148/FLAG91d0efc12 [2019-12-07 15:58:08,435 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/data/4d3c3d1ed/7609db1da9e54019bf596c79a50f0148 [2019-12-07 15:58:08,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:58:08,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:58:08,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:58:08,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:58:08,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:58:08,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:58:08" (1/1) ... [2019-12-07 15:58:08,446 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 03:58:08, skipping insertion in model container [2019-12-07 15:58:08,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:58:08" (1/1) ... [2019-12-07 15:58:08,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:58:08,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:58:08,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:58:08,722 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 15:58:08,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:58:08,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:58:08,769 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:58:08,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:58:08,828 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:58:08,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:08 WrapperNode [2019-12-07 15:58:08,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:58:08,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:58:08,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:58:08,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:58:08,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:08" (1/1) ... [2019-12-07 15:58:08,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:08" (1/1) ... [2019-12-07 15:58:08,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:58:08,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:58:08,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:58:08,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:58:08,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:08" (1/1) ... [2019-12-07 15:58:08,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:08" (1/1) ... [2019-12-07 15:58:08,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:08" (1/1) ... [2019-12-07 15:58:08,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:08" (1/1) ... [2019-12-07 15:58:08,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:08" (1/1) ... [2019-12-07 15:58:08,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:08" (1/1) ... [2019-12-07 15:58:08,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:08" (1/1) ... [2019-12-07 15:58:08,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:58:08,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:58:08,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:58:08,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:58:08,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/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 15:58:08,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:58:08,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 15:58:08,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:58:08,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:58:09,390 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:58:09,390 INFO L287 CfgBuilder]: Removed 76 assume(true) statements. [2019-12-07 15:58:09,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:58:09 BoogieIcfgContainer [2019-12-07 15:58:09,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:58:09,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:58:09,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:58:09,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:58:09,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:58:08" (1/3) ... [2019-12-07 15:58:09,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6877e245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:58:09, skipping insertion in model container [2019-12-07 15:58:09,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:08" (2/3) ... [2019-12-07 15:58:09,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6877e245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:58:09, skipping insertion in model container [2019-12-07 15:58:09,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:58:09" (3/3) ... [2019-12-07 15:58:09,397 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product03.cil.c [2019-12-07 15:58:09,406 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:58:09,413 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 15:58:09,421 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 15:58:09,438 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:58:09,438 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:58:09,438 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:58:09,438 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:58:09,438 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:58:09,439 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:58:09,439 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:58:09,439 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:58:09,451 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2019-12-07 15:58:09,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 15:58:09,455 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:58:09,456 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 15:58:09,456 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:58:09,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:58:09,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1892552075, now seen corresponding path program 1 times [2019-12-07 15:58:09,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:58:09,469 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889375898] [2019-12-07 15:58:09,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/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 15:58:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:58:09,612 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 15:58:09,615 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:58:09,626 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 15:58:09,626 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:58:09,630 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 15:58:09,631 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889375898] [2019-12-07 15:58:09,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:58:09,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 15:58:09,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434619998] [2019-12-07 15:58:09,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:58:09,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:58:09,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:58:09,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:58:09,646 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2019-12-07 15:58:09,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:58:09,663 INFO L93 Difference]: Finished difference Result 124 states and 185 transitions. [2019-12-07 15:58:09,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:58:09,664 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 15:58:09,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:58:09,672 INFO L225 Difference]: With dead ends: 124 [2019-12-07 15:58:09,672 INFO L226 Difference]: Without dead ends: 61 [2019-12-07 15:58:09,674 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 15:58:09,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-12-07 15:58:09,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-12-07 15:58:09,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-12-07 15:58:09,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 84 transitions. [2019-12-07 15:58:09,702 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 84 transitions. Word has length 18 [2019-12-07 15:58:09,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:58:09,702 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 84 transitions. [2019-12-07 15:58:09,702 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:58:09,702 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2019-12-07 15:58:09,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 15:58:09,703 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:58:09,703 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 15:58:09,904 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 15:58:09,904 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:58:09,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:58:09,905 INFO L82 PathProgramCache]: Analyzing trace with hash 177187266, now seen corresponding path program 1 times [2019-12-07 15:58:09,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:58:09,907 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1189710288] [2019-12-07 15:58:09,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/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 15:58:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:58:10,143 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:58:10,144 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:58:10,159 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 15:58:10,159 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:58:10,168 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 15:58:10,168 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1189710288] [2019-12-07 15:58:10,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:58:10,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 15:58:10,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979536678] [2019-12-07 15:58:10,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:58:10,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:58:10,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:58:10,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:58:10,170 INFO L87 Difference]: Start difference. First operand 61 states and 84 transitions. Second operand 4 states. [2019-12-07 15:58:10,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:58:10,180 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2019-12-07 15:58:10,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:58:10,180 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 15:58:10,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:58:10,181 INFO L225 Difference]: With dead ends: 61 [2019-12-07 15:58:10,181 INFO L226 Difference]: Without dead ends: 31 [2019-12-07 15:58:10,182 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 15:58:10,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-07 15:58:10,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-12-07 15:58:10,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 15:58:10,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-12-07 15:58:10,186 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2019-12-07 15:58:10,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:58:10,186 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-12-07 15:58:10,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:58:10,187 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-12-07 15:58:10,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 15:58:10,187 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:58:10,188 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 15:58:10,388 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 15:58:10,389 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:58:10,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:58:10,390 INFO L82 PathProgramCache]: Analyzing trace with hash 755880693, now seen corresponding path program 1 times [2019-12-07 15:58:10,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:58:10,391 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050242770] [2019-12-07 15:58:10,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/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 15:58:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:58:10,572 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:58:10,574 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:58:10,583 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 15:58:10,583 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:58:10,590 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 15:58:10,591 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1050242770] [2019-12-07 15:58:10,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:58:10,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 15:58:10,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926762172] [2019-12-07 15:58:10,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:58:10,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:58:10,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:58:10,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:58:10,592 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 4 states. [2019-12-07 15:58:10,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:58:10,613 INFO L93 Difference]: Finished difference Result 106 states and 154 transitions. [2019-12-07 15:58:10,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:58:10,613 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 15:58:10,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:58:10,614 INFO L225 Difference]: With dead ends: 106 [2019-12-07 15:58:10,615 INFO L226 Difference]: Without dead ends: 81 [2019-12-07 15:58:10,615 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 15:58:10,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-12-07 15:58:10,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 52. [2019-12-07 15:58:10,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-07 15:58:10,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2019-12-07 15:58:10,624 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 24 [2019-12-07 15:58:10,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:58:10,624 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2019-12-07 15:58:10,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:58:10,624 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2019-12-07 15:58:10,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 15:58:10,625 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:58:10,625 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 15:58:10,826 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 15:58:10,827 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:58:10,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:58:10,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1883276786, now seen corresponding path program 1 times [2019-12-07 15:58:10,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:58:10,829 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [484012725] [2019-12-07 15:58:10,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/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 15:58:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:58:10,975 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:58:10,977 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:58:10,993 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 15:58:10,993 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:58:11,021 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 15:58:11,022 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [484012725] [2019-12-07 15:58:11,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:58:11,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 15:58:11,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020514848] [2019-12-07 15:58:11,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 15:58:11,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:58:11,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 15:58:11,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:58:11,024 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 8 states. [2019-12-07 15:58:11,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:58:11,266 INFO L93 Difference]: Finished difference Result 506 states and 780 transitions. [2019-12-07 15:58:11,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 15:58:11,267 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-12-07 15:58:11,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:58:11,271 INFO L225 Difference]: With dead ends: 506 [2019-12-07 15:58:11,271 INFO L226 Difference]: Without dead ends: 460 [2019-12-07 15:58:11,272 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 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 15:58:11,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-12-07 15:58:11,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 130. [2019-12-07 15:58:11,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-12-07 15:58:11,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 187 transitions. [2019-12-07 15:58:11,295 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 187 transitions. Word has length 24 [2019-12-07 15:58:11,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:58:11,296 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 187 transitions. [2019-12-07 15:58:11,296 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 15:58:11,296 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2019-12-07 15:58:11,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 15:58:11,298 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:58:11,298 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 15:58:11,499 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 15:58:11,500 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:58:11,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:58:11,501 INFO L82 PathProgramCache]: Analyzing trace with hash -535231376, now seen corresponding path program 1 times [2019-12-07 15:58:11,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:58:11,502 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [932094276] [2019-12-07 15:58:11,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/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 15:58:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:58:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:58:12,833 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 15:58:12,833 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 15:58:13,034 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 15:58:13,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:58:13 BoogieIcfgContainer [2019-12-07 15:58:13,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:58:13,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:58:13,125 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:58:13,126 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:58:13,126 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:58:09" (3/4) ... [2019-12-07 15:58:13,127 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 15:58:13,201 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2c1152f3-4457-4309-8407-faea37d3eee1/bin/utaipan/witness.graphml [2019-12-07 15:58:13,201 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:58:13,202 INFO L168 Benchmark]: Toolchain (without parser) took 4763.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 952.4 MB in the beginning and 795.9 MB in the end (delta: 156.5 MB). Peak memory consumption was 281.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:58:13,202 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 15:58:13,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -153.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:58:13,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.43 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:58:13,203 INFO L168 Benchmark]: Boogie Preprocessor took 26.31 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 15:58:13,203 INFO L168 Benchmark]: RCFGBuilder took 494.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.5 MB). Peak memory consumption was 73.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:58:13,203 INFO L168 Benchmark]: TraceAbstraction took 3733.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 802.8 MB in the end (delta: 217.2 MB). Peak memory consumption was 217.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:58:13,204 INFO L168 Benchmark]: Witness Printer took 75.38 ms. Allocated memory is still 1.2 GB. Free memory was 802.8 MB in the beginning and 795.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:58:13,205 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 389.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -153.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.43 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 494.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.5 MB). Peak memory consumption was 73.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3733.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 802.8 MB in the end (delta: 217.2 MB). Peak memory consumption was 217.2 MB. Max. memory is 11.5 GB. * Witness Printer took 75.38 ms. Allocated memory is still 1.2 GB. Free memory was 802.8 MB in the beginning and 795.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 650]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L119] int pumpRunning = 0; [L120] int systemActive = 1; [L411] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L690] int cleanupTimeShifts = 4; [L786] int waterLevel = 1; [L787] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L763] int retValue_acc ; [L764] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L637] int retValue_acc ; [L640] retValue_acc = 1 [L641] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L770] tmp = valid_product() [L772] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L55] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L57] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L63] tmp = __VERIFIER_nondet_int() [L65] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L804] COND TRUE waterLevel < 2 [L805] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L127] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L134] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L657] int tmp ; [L658] int tmp___0 ; [L659] int tmp___1 ; [L825] int retValue_acc ; [L828] retValue_acc = methaneLevelCritical [L829] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L663] tmp = isMethaneLevelCritical() [L665] COND FALSE !(\read(tmp)) [L857] int retValue_acc ; [L860] retValue_acc = waterLevel [L861] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L669] tmp___0 = getWaterLevel() [L671] COND TRUE tmp___0 == 2 [L182] int retValue_acc ; [L185] retValue_acc = pumpRunning [L186] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L673] tmp___1 = isPumpRunning() [L675] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L650] __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, 65 locations, 3 error locations. Result: UNSAFE, OverallTime: 3.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 240 SDtfs, 541 SDslu, 528 SDs, 0 SdLazy, 104 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred 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, 359 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 9857 SizeOfPredicates, 6 NumberOfNonLiveVariables, 733 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...