./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.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_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/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 84bee68029cd4e9781f81f2ec079192bad30236f ...................................................................................................................................... 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_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/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 84bee68029cd4e9781f81f2ec079192bad30236f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 12:50:03,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:50:03,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:50:03,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:50:03,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:50:03,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:50:03,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:50:03,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:50:03,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:50:03,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:50:03,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:50:03,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:50:03,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:50:03,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:50:03,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:50:03,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:50:03,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:50:03,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:50:03,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:50:03,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:50:03,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:50:03,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:50:03,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:50:03,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:50:03,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:50:03,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:50:03,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:50:03,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:50:03,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:50:03,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:50:03,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:50:03,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:50:03,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:50:03,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:50:03,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:50:03,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:50:03,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:50:03,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:50:03,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:50:03,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:50:03,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:50:03,823 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 12:50:03,833 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:50:03,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:50:03,833 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:50:03,834 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:50:03,834 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:50:03,834 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:50:03,834 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 12:50:03,834 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:50:03,834 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:50:03,834 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 12:50:03,834 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 12:50:03,834 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:50:03,835 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 12:50:03,835 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 12:50:03,835 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 12:50:03,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:50:03,835 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:50:03,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:50:03,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:50:03,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:50:03,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:50:03,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:50:03,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:50:03,836 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:50:03,836 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:50:03,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:50:03,837 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:50:03,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:50:03,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:50:03,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:50:03,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:50:03,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:50:03,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:50:03,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:50:03,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:50:03,838 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 12:50:03,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:50:03,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:50:03,838 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:50:03,839 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:50:03,839 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_e6785fe1-707e-4732-9759-e1bea90f9f2e/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 -> 84bee68029cd4e9781f81f2ec079192bad30236f [2019-12-07 12:50:03,941 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:50:03,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:50:03,952 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:50:03,953 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:50:03,953 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:50:03,954 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2019-12-07 12:50:03,990 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/data/d712dcb2a/5822c927523e418e94972fd44c04cbc4/FLAGc4a285079 [2019-12-07 12:50:04,461 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:50:04,461 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2019-12-07 12:50:04,471 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/data/d712dcb2a/5822c927523e418e94972fd44c04cbc4/FLAGc4a285079 [2019-12-07 12:50:04,977 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/data/d712dcb2a/5822c927523e418e94972fd44c04cbc4 [2019-12-07 12:50:04,980 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:50:04,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:50:04,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:50:04,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:50:04,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:50:04,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:50:04" (1/1) ... [2019-12-07 12:50:04,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e292d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:04, skipping insertion in model container [2019-12-07 12:50:04,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:50:04" (1/1) ... [2019-12-07 12:50:04,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:50:05,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:50:05,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:50:05,277 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 12:50:05,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3309aee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:05, skipping insertion in model container [2019-12-07 12:50:05,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:50:05,278 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 12:50:05,280 INFO L168 Benchmark]: Toolchain (without parser) took 298.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:50:05,281 INFO L168 Benchmark]: CDTParser took 0.16 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 12:50:05,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 931.3 MB in the beginning and 1.1 GB in the end (delta: -158.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:50:05,283 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 295.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 931.3 MB in the beginning and 1.1 GB in the end (delta: -158.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 592]: 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 12:50:06,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:50:06,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:50:06,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:50:06,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:50:06,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:50:06,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:50:06,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:50:06,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:50:06,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:50:06,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:50:06,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:50:06,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:50:06,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:50:06,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:50:06,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:50:06,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:50:06,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:50:06,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:50:06,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:50:06,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:50:06,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:50:06,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:50:06,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:50:06,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:50:06,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:50:06,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:50:06,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:50:06,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:50:06,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:50:06,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:50:06,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:50:06,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:50:06,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:50:06,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:50:06,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:50:06,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:50:06,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:50:06,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:50:06,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:50:06,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:50:06,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 12:50:06,432 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:50:06,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:50:06,433 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:50:06,433 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:50:06,433 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:50:06,434 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:50:06,434 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:50:06,434 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:50:06,434 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:50:06,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:50:06,434 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:50:06,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:50:06,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:50:06,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:50:06,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:50:06,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:50:06,435 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:50:06,435 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:50:06,436 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:50:06,436 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:50:06,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:50:06,436 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:50:06,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:50:06,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:50:06,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:50:06,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:50:06,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:50:06,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:50:06,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:50:06,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:50:06,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:50:06,437 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 12:50:06,437 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:50:06,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:50:06,438 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:50:06,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:50:06,438 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_e6785fe1-707e-4732-9759-e1bea90f9f2e/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 -> 84bee68029cd4e9781f81f2ec079192bad30236f [2019-12-07 12:50:06,603 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:50:06,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:50:06,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:50:06,613 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:50:06,614 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:50:06,614 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2019-12-07 12:50:06,650 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/data/fc87223db/3ce77b0a786948bcadb4cacac2cd23ad/FLAGd0260d806 [2019-12-07 12:50:07,042 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:50:07,042 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2019-12-07 12:50:07,051 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/data/fc87223db/3ce77b0a786948bcadb4cacac2cd23ad/FLAGd0260d806 [2019-12-07 12:50:07,060 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/data/fc87223db/3ce77b0a786948bcadb4cacac2cd23ad [2019-12-07 12:50:07,062 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:50:07,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:50:07,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:50:07,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:50:07,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:50:07,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:50:07" (1/1) ... [2019-12-07 12:50:07,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e05d898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:07, skipping insertion in model container [2019-12-07 12:50:07,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:50:07" (1/1) ... [2019-12-07 12:50:07,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:50:07,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:50:07,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:50:07,322 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 12:50:07,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:50:07,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:50:07,377 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:50:07,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:50:07,445 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:50:07,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:07 WrapperNode [2019-12-07 12:50:07,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:50:07,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:50:07,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:50:07,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:50:07,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:07" (1/1) ... [2019-12-07 12:50:07,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:07" (1/1) ... [2019-12-07 12:50:07,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:50:07,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:50:07,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:50:07,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:50:07,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:07" (1/1) ... [2019-12-07 12:50:07,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:07" (1/1) ... [2019-12-07 12:50:07,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:07" (1/1) ... [2019-12-07 12:50:07,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:07" (1/1) ... [2019-12-07 12:50:07,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:07" (1/1) ... [2019-12-07 12:50:07,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:07" (1/1) ... [2019-12-07 12:50:07,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:07" (1/1) ... [2019-12-07 12:50:07,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:50:07,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:50:07,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:50:07,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:50:07,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/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 12:50:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:50:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 12:50:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:50:07,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:50:08,038 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:50:08,038 INFO L287 CfgBuilder]: Removed 100 assume(true) statements. [2019-12-07 12:50:08,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:50:08 BoogieIcfgContainer [2019-12-07 12:50:08,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:50:08,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:50:08,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:50:08,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:50:08,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:50:07" (1/3) ... [2019-12-07 12:50:08,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b518e8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:50:08, skipping insertion in model container [2019-12-07 12:50:08,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:07" (2/3) ... [2019-12-07 12:50:08,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b518e8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:50:08, skipping insertion in model container [2019-12-07 12:50:08,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:50:08" (3/3) ... [2019-12-07 12:50:08,044 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2019-12-07 12:50:08,051 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:50:08,056 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 12:50:08,064 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 12:50:08,080 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:50:08,080 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:50:08,080 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:50:08,080 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:50:08,080 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:50:08,080 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:50:08,081 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:50:08,081 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:50:08,092 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2019-12-07 12:50:08,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 12:50:08,096 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:50:08,096 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:50:08,097 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:50:08,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:50:08,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1613004623, now seen corresponding path program 1 times [2019-12-07 12:50:08,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:50:08,109 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617187242] [2019-12-07 12:50:08,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/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 12:50:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:50:08,237 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 12:50:08,241 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:50:08,251 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 12:50:08,251 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:50:08,255 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 12:50:08,255 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617187242] [2019-12-07 12:50:08,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:50:08,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 12:50:08,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922235436] [2019-12-07 12:50:08,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:50:08,260 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:50:08,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:50:08,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:50:08,270 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2019-12-07 12:50:08,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:50:08,288 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2019-12-07 12:50:08,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:50:08,289 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 12:50:08,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:50:08,297 INFO L225 Difference]: With dead ends: 148 [2019-12-07 12:50:08,297 INFO L226 Difference]: Without dead ends: 73 [2019-12-07 12:50:08,300 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:50:08,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-12-07 12:50:08,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-12-07 12:50:08,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 12:50:08,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-12-07 12:50:08,328 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2019-12-07 12:50:08,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:50:08,328 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-12-07 12:50:08,328 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:50:08,329 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-12-07 12:50:08,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 12:50:08,329 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:50:08,329 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:50:08,530 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:50:08,531 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:50:08,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:50:08,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1635205776, now seen corresponding path program 1 times [2019-12-07 12:50:08,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:50:08,534 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845992910] [2019-12-07 12:50:08,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/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 12:50:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:50:08,685 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:50:08,686 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:50:08,699 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 12:50:08,699 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:50:08,707 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 12:50:08,708 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [845992910] [2019-12-07 12:50:08,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:50:08,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 12:50:08,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412717805] [2019-12-07 12:50:08,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:50:08,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:50:08,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:50:08,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:50:08,710 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 4 states. [2019-12-07 12:50:08,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:50:08,720 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2019-12-07 12:50:08,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:50:08,720 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 12:50:08,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:50:08,721 INFO L225 Difference]: With dead ends: 73 [2019-12-07 12:50:08,721 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 12:50:08,722 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:50:08,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 12:50:08,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 12:50:08,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 12:50:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-12-07 12:50:08,726 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2019-12-07 12:50:08,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:50:08,726 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-12-07 12:50:08,726 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:50:08,726 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-12-07 12:50:08,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 12:50:08,727 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:50:08,727 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] [2019-12-07 12:50:08,927 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 12:50:08,928 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:50:08,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:50:08,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2019-12-07 12:50:08,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:50:08,930 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1984784032] [2019-12-07 12:50:08,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/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 12:50:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:50:09,096 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:50:09,097 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:50:09,106 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 12:50:09,106 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:50:09,113 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 12:50:09,113 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1984784032] [2019-12-07 12:50:09,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:50:09,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 12:50:09,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747170807] [2019-12-07 12:50:09,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:50:09,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:50:09,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:50:09,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:50:09,114 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2019-12-07 12:50:09,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:50:09,132 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2019-12-07 12:50:09,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:50:09,132 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 12:50:09,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:50:09,133 INFO L225 Difference]: With dead ends: 116 [2019-12-07 12:50:09,134 INFO L226 Difference]: Without dead ends: 87 [2019-12-07 12:50:09,134 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:50:09,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-12-07 12:50:09,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2019-12-07 12:50:09,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-07 12:50:09,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2019-12-07 12:50:09,142 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2019-12-07 12:50:09,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:50:09,142 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2019-12-07 12:50:09,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:50:09,142 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2019-12-07 12:50:09,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 12:50:09,143 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:50:09,143 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:50:09,343 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 12:50:09,343 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:50:09,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:50:09,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2019-12-07 12:50:09,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:50:09,345 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [292318614] [2019-12-07 12:50:09,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/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 12:50:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:50:09,460 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:50:09,461 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:50:09,478 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 12:50:09,479 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:50:09,512 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 12:50:09,512 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [292318614] [2019-12-07 12:50:09,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:50:09,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 12:50:09,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198572151] [2019-12-07 12:50:09,513 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 12:50:09,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:50:09,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 12:50:09,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:50:09,513 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 8 states. [2019-12-07 12:50:09,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:50:09,728 INFO L93 Difference]: Finished difference Result 373 states and 575 transitions. [2019-12-07 12:50:09,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 12:50:09,728 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-12-07 12:50:09,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:50:09,732 INFO L225 Difference]: With dead ends: 373 [2019-12-07 12:50:09,732 INFO L226 Difference]: Without dead ends: 325 [2019-12-07 12:50:09,733 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 12:50:09,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-12-07 12:50:09,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 136. [2019-12-07 12:50:09,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-12-07 12:50:09,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2019-12-07 12:50:09,757 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 23 [2019-12-07 12:50:09,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:50:09,757 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2019-12-07 12:50:09,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 12:50:09,758 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2019-12-07 12:50:09,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 12:50:09,759 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:50:09,759 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 12:50:09,959 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 12:50:09,960 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:50:09,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:50:09,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1402731609, now seen corresponding path program 1 times [2019-12-07 12:50:09,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:50:09,963 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [671594495] [2019-12-07 12:50:09,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/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 12:50:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:50:10,165 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:50:10,166 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:50:10,171 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 12:50:10,171 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:50:10,173 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 12:50:10,173 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [671594495] [2019-12-07 12:50:10,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:50:10,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 12:50:10,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077309993] [2019-12-07 12:50:10,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:50:10,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:50:10,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:50:10,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:50:10,174 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 3 states. [2019-12-07 12:50:10,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:50:10,327 INFO L93 Difference]: Finished difference Result 354 states and 516 transitions. [2019-12-07 12:50:10,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:50:10,327 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 12:50:10,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:50:10,329 INFO L225 Difference]: With dead ends: 354 [2019-12-07 12:50:10,329 INFO L226 Difference]: Without dead ends: 224 [2019-12-07 12:50:10,330 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:50:10,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-12-07 12:50:10,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2019-12-07 12:50:10,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2019-12-07 12:50:10,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 315 transitions. [2019-12-07 12:50:10,356 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 315 transitions. Word has length 24 [2019-12-07 12:50:10,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:50:10,356 INFO L462 AbstractCegarLoop]: Abstraction has 222 states and 315 transitions. [2019-12-07 12:50:10,356 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:50:10,356 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 315 transitions. [2019-12-07 12:50:10,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 12:50:10,357 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:50:10,358 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 12:50:10,558 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 12:50:10,559 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:50:10,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:50:10,560 INFO L82 PathProgramCache]: Analyzing trace with hash -796024257, now seen corresponding path program 1 times [2019-12-07 12:50:10,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:50:10,562 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1120369190] [2019-12-07 12:50:10,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 12:50:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:50:10,688 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:50:10,689 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:50:10,694 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 12:50:10,694 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:50:10,696 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 12:50:10,697 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1120369190] [2019-12-07 12:50:10,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:50:10,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 12:50:10,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332178986] [2019-12-07 12:50:10,697 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:50:10,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:50:10,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:50:10,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:50:10,698 INFO L87 Difference]: Start difference. First operand 222 states and 315 transitions. Second operand 3 states. [2019-12-07 12:50:10,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:50:10,712 INFO L93 Difference]: Finished difference Result 331 states and 474 transitions. [2019-12-07 12:50:10,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:50:10,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 12:50:10,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:50:10,713 INFO L225 Difference]: With dead ends: 331 [2019-12-07 12:50:10,713 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 12:50:10,714 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:50:10,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 12:50:10,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-12-07 12:50:10,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-07 12:50:10,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2019-12-07 12:50:10,736 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2019-12-07 12:50:10,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:50:10,736 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2019-12-07 12:50:10,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:50:10,736 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2019-12-07 12:50:10,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-07 12:50:10,737 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:50:10,737 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:50:10,938 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 12:50:10,939 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:50:10,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:50:10,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1852777620, now seen corresponding path program 1 times [2019-12-07 12:50:10,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:50:10,941 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1421772385] [2019-12-07 12:50:10,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 12:50:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:50:11,069 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 12:50:11,070 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:50:11,081 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:50:11,081 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:50:11,101 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:50:11,102 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1421772385] [2019-12-07 12:50:11,102 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [612373609] [2019-12-07 12:50:11,102 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 12:50:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:50:11,190 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:50:11,191 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:50:11,214 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 12:50:11,214 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:50:11,216 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 12:50:11,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:50:11,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 12:50:11,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507346648] [2019-12-07 12:50:11,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:50:11,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:50:11,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:50:11,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 12:50:11,218 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand 5 states. [2019-12-07 12:50:11,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:50:11,297 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2019-12-07 12:50:11,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:50:11,298 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-12-07 12:50:11,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:50:11,298 INFO L225 Difference]: With dead ends: 235 [2019-12-07 12:50:11,298 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:50:11,299 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 12:50:11,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:50:11,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:50:11,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:50:11,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:50:11,299 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-12-07 12:50:11,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:50:11,299 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:50:11,299 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:50:11,300 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:50:11,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:50:11,700 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk,8 mathsat -unsat_core_generation=3 [2019-12-07 12:50:11,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:50:11,931 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2019-12-07 12:50:11,931 INFO L242 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-12-07 12:50:11,931 INFO L242 CegarLoopResult]: At program point L333(lines 284 334) the Hoare annotation is: false [2019-12-07 12:50:11,931 INFO L246 CegarLoopResult]: For program point L383(lines 383 400) no Hoare annotation was computed. [2019-12-07 12:50:11,931 INFO L246 CegarLoopResult]: For program point L383-1(lines 383 400) no Hoare annotation was computed. [2019-12-07 12:50:11,931 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:50:11,932 INFO L246 CegarLoopResult]: For program point L383-2(lines 383 400) no Hoare annotation was computed. [2019-12-07 12:50:11,932 INFO L246 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2019-12-07 12:50:11,932 INFO L242 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:50:11,932 INFO L242 CegarLoopResult]: At program point L351(lines 350 369) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:50:11,932 INFO L246 CegarLoopResult]: For program point L351-1(lines 351 357) no Hoare annotation was computed. [2019-12-07 12:50:11,932 INFO L242 CegarLoopResult]: At program point L351-2(lines 350 369) the Hoare annotation is: false [2019-12-07 12:50:11,932 INFO L242 CegarLoopResult]: At program point L351-3(lines 350 369) the Hoare annotation is: false [2019-12-07 12:50:11,932 INFO L242 CegarLoopResult]: At program point L269(lines 264 272) the Hoare annotation is: false [2019-12-07 12:50:11,933 INFO L242 CegarLoopResult]: At program point L269-1(lines 264 272) the Hoare annotation is: false [2019-12-07 12:50:11,933 INFO L246 CegarLoopResult]: For program point L203(lines 203 207) no Hoare annotation was computed. [2019-12-07 12:50:11,933 INFO L242 CegarLoopResult]: At program point L269-2(lines 264 272) the Hoare annotation is: false [2019-12-07 12:50:11,933 INFO L246 CegarLoopResult]: For program point L517(lines 517 523) no Hoare annotation was computed. [2019-12-07 12:50:11,933 INFO L242 CegarLoopResult]: At program point L517-1(lines 517 523) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:50:11,933 INFO L246 CegarLoopResult]: For program point L286(lines 285 332) no Hoare annotation was computed. [2019-12-07 12:50:11,933 INFO L242 CegarLoopResult]: At program point L551(lines 1 928) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:50:11,933 INFO L246 CegarLoopResult]: For program point L287(lines 287 291) no Hoare annotation was computed. [2019-12-07 12:50:11,933 INFO L246 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-12-07 12:50:11,934 INFO L246 CegarLoopResult]: For program point L56-1(lines 351 357) no Hoare annotation was computed. [2019-12-07 12:50:11,934 INFO L249 CegarLoopResult]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-12-07 12:50:11,934 INFO L246 CegarLoopResult]: For program point L387(lines 387 395) no Hoare annotation was computed. [2019-12-07 12:50:11,934 INFO L246 CegarLoopResult]: For program point L387-1(lines 387 395) no Hoare annotation was computed. [2019-12-07 12:50:11,934 INFO L246 CegarLoopResult]: For program point L321(lines 321 327) no Hoare annotation was computed. [2019-12-07 12:50:11,934 INFO L246 CegarLoopResult]: For program point L387-2(lines 387 395) no Hoare annotation was computed. [2019-12-07 12:50:11,934 INFO L242 CegarLoopResult]: At program point L321-1(lines 351 357) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:50:11,934 INFO L246 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2019-12-07 12:50:11,934 INFO L246 CegarLoopResult]: For program point L503-2(lines 503 507) no Hoare annotation was computed. [2019-12-07 12:50:11,934 INFO L246 CegarLoopResult]: For program point L503-3(lines 503 507) no Hoare annotation was computed. [2019-12-07 12:50:11,935 INFO L246 CegarLoopResult]: For program point L503-5(lines 503 507) no Hoare annotation was computed. [2019-12-07 12:50:11,935 INFO L246 CegarLoopResult]: For program point L305(lines 305 311) no Hoare annotation was computed. [2019-12-07 12:50:11,935 INFO L246 CegarLoopResult]: For program point L503-6(lines 503 507) no Hoare annotation was computed. [2019-12-07 12:50:11,935 INFO L242 CegarLoopResult]: At program point L305-1(lines 305 311) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:50:11,935 INFO L246 CegarLoopResult]: For program point L503-8(lines 503 507) no Hoare annotation was computed. [2019-12-07 12:50:11,935 INFO L242 CegarLoopResult]: At program point L454(lines 449 457) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:50:11,935 INFO L242 CegarLoopResult]: At program point L454-1(lines 449 457) the Hoare annotation is: false [2019-12-07 12:50:11,935 INFO L242 CegarLoopResult]: At program point L454-2(lines 449 457) the Hoare annotation is: false [2019-12-07 12:50:11,935 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:50:11,936 INFO L246 CegarLoopResult]: For program point L191(lines 191 195) no Hoare annotation was computed. [2019-12-07 12:50:11,936 INFO L246 CegarLoopResult]: For program point L191-3(lines 191 195) no Hoare annotation was computed. [2019-12-07 12:50:11,936 INFO L246 CegarLoopResult]: For program point L191-6(lines 191 195) no Hoare annotation was computed. [2019-12-07 12:50:11,936 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2019-12-07 12:50:11,936 INFO L242 CegarLoopResult]: At program point L358(lines 358 364) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:50:11,936 INFO L242 CegarLoopResult]: At program point L358-1(lines 358 364) the Hoare annotation is: false [2019-12-07 12:50:11,936 INFO L242 CegarLoopResult]: At program point L358-2(lines 358 364) the Hoare annotation is: false [2019-12-07 12:50:11,936 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:50:11,937 INFO L242 CegarLoopResult]: At program point L260(lines 255 263) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:50:11,937 INFO L242 CegarLoopResult]: At program point L260-1(lines 255 263) the Hoare annotation is: false [2019-12-07 12:50:11,937 INFO L242 CegarLoopResult]: At program point L260-2(lines 255 263) the Hoare annotation is: false [2019-12-07 12:50:11,937 INFO L242 CegarLoopResult]: At program point L509(lines 494 512) the Hoare annotation is: false [2019-12-07 12:50:11,937 INFO L242 CegarLoopResult]: At program point L509-1(lines 494 512) the Hoare annotation is: false [2019-12-07 12:50:11,937 INFO L242 CegarLoopResult]: At program point L509-2(lines 494 512) the Hoare annotation is: false [2019-12-07 12:50:11,937 INFO L242 CegarLoopResult]: At program point L559(lines 554 562) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:50:11,937 INFO L246 CegarLoopResult]: For program point L295(lines 295 301) no Hoare annotation was computed. [2019-12-07 12:50:11,937 INFO L242 CegarLoopResult]: At program point L295-1(lines 295 301) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:50:11,937 INFO L246 CegarLoopResult]: For program point L163(lines 163 176) no Hoare annotation was computed. [2019-12-07 12:50:11,938 INFO L246 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-12-07 12:50:11,938 INFO L242 CegarLoopResult]: At program point L163-1(lines 1 928) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:50:11,938 INFO L246 CegarLoopResult]: For program point L163-2(lines 163 176) no Hoare annotation was computed. [2019-12-07 12:50:11,938 INFO L249 CegarLoopResult]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-12-07 12:50:11,938 INFO L242 CegarLoopResult]: At program point L163-3(lines 1 928) the Hoare annotation is: false [2019-12-07 12:50:11,938 INFO L246 CegarLoopResult]: For program point L163-4(lines 163 176) no Hoare annotation was computed. [2019-12-07 12:50:11,938 INFO L242 CegarLoopResult]: At program point L163-5(lines 1 928) the Hoare annotation is: false [2019-12-07 12:50:11,938 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:50:11,938 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2019-12-07 12:50:11,939 INFO L246 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2019-12-07 12:50:11,939 INFO L246 CegarLoopResult]: For program point L148-1(line 148) no Hoare annotation was computed. [2019-12-07 12:50:11,939 INFO L246 CegarLoopResult]: For program point L148-2(line 148) no Hoare annotation was computed. [2019-12-07 12:50:11,939 INFO L246 CegarLoopResult]: For program point L215(lines 215 219) no Hoare annotation was computed. [2019-12-07 12:50:11,939 INFO L246 CegarLoopResult]: For program point L315(lines 315 328) no Hoare annotation was computed. [2019-12-07 12:50:11,939 INFO L246 CegarLoopResult]: For program point L167(lines 167 173) no Hoare annotation was computed. [2019-12-07 12:50:11,939 INFO L246 CegarLoopResult]: For program point L167-2(lines 167 173) no Hoare annotation was computed. [2019-12-07 12:50:11,939 INFO L246 CegarLoopResult]: For program point L167-4(lines 167 173) no Hoare annotation was computed. [2019-12-07 12:50:11,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:50:11 BoogieIcfgContainer [2019-12-07 12:50:11,955 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:50:11,955 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:50:11,956 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:50:11,956 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:50:11,956 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:50:08" (3/4) ... [2019-12-07 12:50:11,959 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:50:11,973 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 12:50:11,973 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 12:50:11,974 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 12:50:11,975 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 12:50:11,975 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 12:50:11,976 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:50:11,976 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:50:11,999 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 12:50:12,029 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e6785fe1-707e-4732-9759-e1bea90f9f2e/bin/utaipan/witness.graphml [2019-12-07 12:50:12,029 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:50:12,030 INFO L168 Benchmark]: Toolchain (without parser) took 4967.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 204.5 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -107.4 MB). Peak memory consumption was 97.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:50:12,030 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 12:50:12,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -147.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:50:12,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.92 ms. Allocated memory is still 1.1 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 12:50:12,031 INFO L168 Benchmark]: Boogie Preprocessor took 28.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:50:12,031 INFO L168 Benchmark]: RCFGBuilder took 523.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.7 MB). Peak memory consumption was 69.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:50:12,031 INFO L168 Benchmark]: TraceAbstraction took 3915.40 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 83.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -49.6 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:50:12,032 INFO L168 Benchmark]: Witness Printer took 73.47 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: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:50:12,033 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 382.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -147.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.92 ms. Allocated memory is still 1.1 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 28.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 523.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.7 MB). Peak memory consumption was 69.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3915.40 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 83.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -49.6 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. * Witness Printer took 73.47 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: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 429 SDtfs, 706 SDslu, 578 SDs, 0 SdLazy, 124 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 224 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 128 HoareAnnotationTreeSize, 32 FomulaSimplifications, 6254 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 25055 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1496 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...