./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product09.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_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/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 f306469f6fc3f3c0759d128d38f84cc775adb88e ...................................................................................................................................... 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_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/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 f306469f6fc3f3c0759d128d38f84cc775adb88e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:52:04,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:52:04,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:52:04,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:52:04,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:52:04,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:52:04,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:52:04,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:52:04,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:52:04,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:52:04,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:52:04,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:52:04,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:52:04,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:52:04,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:52:04,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:52:04,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:52:04,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:52:04,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:52:04,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:52:04,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:52:04,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:52:04,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:52:04,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:52:04,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:52:04,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:52:04,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:52:04,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:52:04,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:52:04,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:52:04,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:52:04,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:52:04,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:52:04,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:52:04,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:52:04,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:52:04,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:52:04,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:52:04,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:52:04,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:52:04,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:52:04,914 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 16:52:04,924 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:52:04,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:52:04,925 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:52:04,925 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:52:04,925 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:52:04,925 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:52:04,925 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 16:52:04,925 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:52:04,926 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:52:04,926 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 16:52:04,926 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 16:52:04,926 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:52:04,926 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 16:52:04,926 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 16:52:04,926 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 16:52:04,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:52:04,927 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:52:04,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:52:04,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:52:04,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:52:04,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:52:04,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:52:04,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:52:04,928 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:52:04,928 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:52:04,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:52:04,928 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:52:04,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:52:04,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:52:04,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:52:04,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:52:04,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:52:04,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:52:04,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:52:04,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:52:04,930 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 16:52:04,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:52:04,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:52:04,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:52:04,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:52:04,930 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_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/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 -> f306469f6fc3f3c0759d128d38f84cc775adb88e [2019-12-07 16:52:05,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:52:05,049 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:52:05,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:52:05,052 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:52:05,052 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:52:05,052 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2019-12-07 16:52:05,089 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/data/cea3c660c/8b07b08bc4874302a4c7290acd59c907/FLAG17239001b [2019-12-07 16:52:05,584 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:52:05,584 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2019-12-07 16:52:05,592 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/data/cea3c660c/8b07b08bc4874302a4c7290acd59c907/FLAG17239001b [2019-12-07 16:52:06,088 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/data/cea3c660c/8b07b08bc4874302a4c7290acd59c907 [2019-12-07 16:52:06,094 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:52:06,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:52:06,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:52:06,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:52:06,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:52:06,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:52:06" (1/1) ... [2019-12-07 16:52:06,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bcbd8ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:52:06, skipping insertion in model container [2019-12-07 16:52:06,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:52:06" (1/1) ... [2019-12-07 16:52:06,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:52:06,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:52:06,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:52:06,360 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 16:52:06,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@29e2bc59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:52:06, skipping insertion in model container [2019-12-07 16:52:06,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:52:06,361 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 16:52:06,363 INFO L168 Benchmark]: Toolchain (without parser) took 266.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:52:06,363 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:52:06,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:52:06,365 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 262.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 77]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 16:52:07,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:52:07,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:52:07,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:52:07,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:52:07,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:52:07,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:52:07,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:52:07,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:52:07,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:52:07,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:52:07,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:52:07,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:52:07,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:52:07,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:52:07,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:52:07,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:52:07,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:52:07,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:52:07,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:52:07,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:52:07,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:52:07,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:52:07,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:52:07,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:52:07,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:52:07,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:52:07,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:52:07,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:52:07,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:52:07,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:52:07,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:52:07,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:52:07,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:52:07,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:52:07,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:52:07,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:52:07,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:52:07,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:52:07,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:52:07,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:52:07,484 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 16:52:07,493 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:52:07,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:52:07,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:52:07,494 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:52:07,494 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:52:07,494 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:52:07,495 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:52:07,495 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:52:07,495 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:52:07,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:52:07,495 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:52:07,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:52:07,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:52:07,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:52:07,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:52:07,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:52:07,496 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:52:07,496 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:52:07,496 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:52:07,496 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:52:07,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:52:07,497 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:52:07,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:52:07,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:52:07,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:52:07,497 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:52:07,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:52:07,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:52:07,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:52:07,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:52:07,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:52:07,498 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 16:52:07,498 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:52:07,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:52:07,498 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:52:07,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:52:07,499 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_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/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 -> f306469f6fc3f3c0759d128d38f84cc775adb88e [2019-12-07 16:52:07,674 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:52:07,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:52:07,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:52:07,685 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:52:07,685 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:52:07,686 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2019-12-07 16:52:07,723 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/data/9ad379e07/00a709ee16fe44899439e3bfe14a0f25/FLAGf97aaa9cf [2019-12-07 16:52:08,198 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:52:08,199 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2019-12-07 16:52:08,206 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/data/9ad379e07/00a709ee16fe44899439e3bfe14a0f25/FLAGf97aaa9cf [2019-12-07 16:52:08,214 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/data/9ad379e07/00a709ee16fe44899439e3bfe14a0f25 [2019-12-07 16:52:08,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:52:08,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:52:08,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:52:08,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:52:08,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:52:08,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:52:08" (1/1) ... [2019-12-07 16:52:08,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:52:08, skipping insertion in model container [2019-12-07 16:52:08,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:52:08" (1/1) ... [2019-12-07 16:52:08,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:52:08,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:52:08,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:52:08,475 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 16:52:08,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:52:08,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:52:08,519 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:52:08,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:52:08,576 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:52:08,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:52:08 WrapperNode [2019-12-07 16:52:08,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:52:08,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:52:08,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:52:08,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:52:08,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:52:08" (1/1) ... [2019-12-07 16:52:08,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:52:08" (1/1) ... [2019-12-07 16:52:08,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:52:08,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:52:08,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:52:08,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:52:08,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:52:08" (1/1) ... [2019-12-07 16:52:08,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:52:08" (1/1) ... [2019-12-07 16:52:08,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:52:08" (1/1) ... [2019-12-07 16:52:08,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:52:08" (1/1) ... [2019-12-07 16:52:08,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:52:08" (1/1) ... [2019-12-07 16:52:08,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:52:08" (1/1) ... [2019-12-07 16:52:08,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:52:08" (1/1) ... [2019-12-07 16:52:08,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:52:08,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:52:08,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:52:08,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:52:08,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:52:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:52:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:52:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 16:52:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:52:08,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:52:09,120 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:52:09,120 INFO L287 CfgBuilder]: Removed 68 assume(true) statements. [2019-12-07 16:52:09,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:52:09 BoogieIcfgContainer [2019-12-07 16:52:09,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:52:09,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:52:09,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:52:09,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:52:09,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:52:08" (1/3) ... [2019-12-07 16:52:09,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35da5c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:52:09, skipping insertion in model container [2019-12-07 16:52:09,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:52:08" (2/3) ... [2019-12-07 16:52:09,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35da5c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:52:09, skipping insertion in model container [2019-12-07 16:52:09,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:52:09" (3/3) ... [2019-12-07 16:52:09,129 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2019-12-07 16:52:09,137 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:52:09,142 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 16:52:09,149 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 16:52:09,165 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:52:09,165 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:52:09,165 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:52:09,165 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:52:09,165 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:52:09,165 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:52:09,165 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:52:09,165 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:52:09,175 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2019-12-07 16:52:09,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 16:52:09,179 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:52:09,180 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:52:09,180 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:52:09,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:52:09,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1461582393, now seen corresponding path program 1 times [2019-12-07 16:52:09,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:52:09,194 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1763446472] [2019-12-07 16:52:09,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 16:52:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:52:09,338 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 16:52:09,342 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:52:09,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:52:09,353 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:52:09,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:52:09,357 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1763446472] [2019-12-07 16:52:09,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:52:09,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:52:09,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221870943] [2019-12-07 16:52:09,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:52:09,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:52:09,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:52:09,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:52:09,372 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2019-12-07 16:52:09,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:52:09,388 INFO L93 Difference]: Finished difference Result 115 states and 174 transitions. [2019-12-07 16:52:09,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:52:09,389 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 16:52:09,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:52:09,396 INFO L225 Difference]: With dead ends: 115 [2019-12-07 16:52:09,397 INFO L226 Difference]: Without dead ends: 57 [2019-12-07 16:52:09,399 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:52:09,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-12-07 16:52:09,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-12-07 16:52:09,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 16:52:09,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2019-12-07 16:52:09,426 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 18 [2019-12-07 16:52:09,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:52:09,426 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2019-12-07 16:52:09,426 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:52:09,426 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2019-12-07 16:52:09,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 16:52:09,427 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:52:09,427 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:52:09,627 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:52:09,628 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:52:09,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:52:09,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1680418362, now seen corresponding path program 1 times [2019-12-07 16:52:09,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:52:09,631 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [408873377] [2019-12-07 16:52:09,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 16:52:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:52:09,801 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:52:09,802 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:52:09,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:52:09,815 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:52:09,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:52:09,823 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [408873377] [2019-12-07 16:52:09,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:52:09,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 16:52:09,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21527291] [2019-12-07 16:52:09,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:52:09,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:52:09,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:52:09,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:52:09,825 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 4 states. [2019-12-07 16:52:09,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:52:09,834 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2019-12-07 16:52:09,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:52:09,835 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 16:52:09,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:52:09,836 INFO L225 Difference]: With dead ends: 57 [2019-12-07 16:52:09,836 INFO L226 Difference]: Without dead ends: 29 [2019-12-07 16:52:09,837 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:52:09,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-12-07 16:52:09,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-12-07 16:52:09,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-12-07 16:52:09,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-12-07 16:52:09,840 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2019-12-07 16:52:09,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:52:09,840 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-12-07 16:52:09,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:52:09,841 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-12-07 16:52:09,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 16:52:09,841 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:52:09,842 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:52:10,042 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:52:10,043 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:52:10,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:52:10,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1355159705, now seen corresponding path program 1 times [2019-12-07 16:52:10,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:52:10,046 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880979988] [2019-12-07 16:52:10,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 16:52:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:52:10,247 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:52:10,248 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:52:10,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:52:10,265 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:52:10,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:52:10,271 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1880979988] [2019-12-07 16:52:10,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:52:10,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 16:52:10,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021354904] [2019-12-07 16:52:10,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:52:10,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:52:10,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:52:10,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:52:10,273 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2019-12-07 16:52:10,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:52:10,337 INFO L93 Difference]: Finished difference Result 112 states and 172 transitions. [2019-12-07 16:52:10,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 16:52:10,338 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 16:52:10,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:52:10,339 INFO L225 Difference]: With dead ends: 112 [2019-12-07 16:52:10,339 INFO L226 Difference]: Without dead ends: 90 [2019-12-07 16:52:10,339 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 16:52:10,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-12-07 16:52:10,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 46. [2019-12-07 16:52:10,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-12-07 16:52:10,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-12-07 16:52:10,346 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 24 [2019-12-07 16:52:10,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:52:10,347 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-12-07 16:52:10,347 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:52:10,347 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-12-07 16:52:10,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 16:52:10,348 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:52:10,348 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:52:10,548 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 16:52:10,548 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:52:10,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:52:10,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1689469663, now seen corresponding path program 1 times [2019-12-07 16:52:10,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:52:10,550 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1330818271] [2019-12-07 16:52:10,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 16:52:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:52:10,752 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:52:10,754 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:52:10,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:52:10,768 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:52:10,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:52:10,771 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1330818271] [2019-12-07 16:52:10,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:52:10,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 16:52:10,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688692438] [2019-12-07 16:52:10,772 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:52:10,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:52:10,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:52:10,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:52:10,773 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 5 states. [2019-12-07 16:52:10,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:52:10,837 INFO L93 Difference]: Finished difference Result 132 states and 196 transitions. [2019-12-07 16:52:10,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:52:10,838 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 16:52:10,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:52:10,838 INFO L225 Difference]: With dead ends: 132 [2019-12-07 16:52:10,838 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:52:10,839 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 16:52:10,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:52:10,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:52:10,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:52:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:52:10,840 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-12-07 16:52:10,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:52:10,841 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:52:10,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:52:10,841 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:52:10,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:52:11,042 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 16:52:11,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:52:11,264 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 16:52:11,264 INFO L246 CegarLoopResult]: For program point L465(lines 465 469) no Hoare annotation was computed. [2019-12-07 16:52:11,264 INFO L246 CegarLoopResult]: For program point L465-2(lines 499 505) no Hoare annotation was computed. [2019-12-07 16:52:11,264 INFO L246 CegarLoopResult]: For program point L449(lines 449 455) no Hoare annotation was computed. [2019-12-07 16:52:11,264 INFO L242 CegarLoopResult]: At program point L449-1(lines 449 455) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:52:11,264 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:52:11,265 INFO L246 CegarLoopResult]: For program point L763(lines 763 767) no Hoare annotation was computed. [2019-12-07 16:52:11,265 INFO L246 CegarLoopResult]: For program point L763-3(lines 763 767) no Hoare annotation was computed. [2019-12-07 16:52:11,265 INFO L246 CegarLoopResult]: For program point L763-6(lines 763 767) no Hoare annotation was computed. [2019-12-07 16:52:11,265 INFO L242 CegarLoopResult]: At program point L499(lines 498 517) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:52:11,265 INFO L246 CegarLoopResult]: For program point L499-1(lines 499 505) no Hoare annotation was computed. [2019-12-07 16:52:11,265 INFO L242 CegarLoopResult]: At program point L499-2(lines 498 517) the Hoare annotation is: false [2019-12-07 16:52:11,265 INFO L242 CegarLoopResult]: At program point L499-3(lines 498 517) the Hoare annotation is: false [2019-12-07 16:52:11,265 INFO L242 CegarLoopResult]: At program point L715(lines 711 717) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 16:52:11,266 INFO L246 CegarLoopResult]: For program point L634(lines 634 651) no Hoare annotation was computed. [2019-12-07 16:52:11,266 INFO L242 CegarLoopResult]: At program point L634-1(lines 1 870) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:52:11,266 INFO L242 CegarLoopResult]: At program point L667-2(lines 667 681) the Hoare annotation is: false [2019-12-07 16:52:11,266 INFO L246 CegarLoopResult]: For program point L634-2(lines 634 651) no Hoare annotation was computed. [2019-12-07 16:52:11,266 INFO L242 CegarLoopResult]: At program point L634-3(lines 1 870) the Hoare annotation is: false [2019-12-07 16:52:11,266 INFO L246 CegarLoopResult]: For program point L634-4(lines 634 651) no Hoare annotation was computed. [2019-12-07 16:52:11,266 INFO L242 CegarLoopResult]: At program point L634-5(lines 1 870) the Hoare annotation is: false [2019-12-07 16:52:11,266 INFO L242 CegarLoopResult]: At program point L800(lines 795 803) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:52:11,267 INFO L242 CegarLoopResult]: At program point L800-1(lines 795 803) the Hoare annotation is: false [2019-12-07 16:52:11,267 INFO L242 CegarLoopResult]: At program point L800-2(lines 795 803) the Hoare annotation is: false [2019-12-07 16:52:11,267 INFO L246 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2019-12-07 16:52:11,267 INFO L249 CegarLoopResult]: At program point L751(lines 732 754) the Hoare annotation is: true [2019-12-07 16:52:11,267 INFO L242 CegarLoopResult]: At program point L867(lines 862 870) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 16:52:11,267 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:52:11,267 INFO L246 CegarLoopResult]: For program point L439(lines 439 445) no Hoare annotation was computed. [2019-12-07 16:52:11,267 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 16:52:11,267 INFO L242 CegarLoopResult]: At program point L439-1(lines 439 445) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:52:11,268 INFO L246 CegarLoopResult]: For program point L671(lines 671 675) no Hoare annotation was computed. [2019-12-07 16:52:11,268 INFO L246 CegarLoopResult]: For program point L638(lines 638 648) no Hoare annotation was computed. [2019-12-07 16:52:11,268 INFO L246 CegarLoopResult]: For program point L671-1(lines 499 505) no Hoare annotation was computed. [2019-12-07 16:52:11,268 INFO L246 CegarLoopResult]: For program point L638-2(lines 638 648) no Hoare annotation was computed. [2019-12-07 16:52:11,268 INFO L242 CegarLoopResult]: At program point L506(lines 506 512) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:52:11,268 INFO L246 CegarLoopResult]: For program point L638-4(lines 638 648) no Hoare annotation was computed. [2019-12-07 16:52:11,268 INFO L242 CegarLoopResult]: At program point L506-1(lines 506 512) the Hoare annotation is: false [2019-12-07 16:52:11,268 INFO L242 CegarLoopResult]: At program point L506-2(lines 506 512) the Hoare annotation is: false [2019-12-07 16:52:11,268 INFO L246 CegarLoopResult]: For program point L787(lines 787 791) no Hoare annotation was computed. [2019-12-07 16:52:11,269 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-12-07 16:52:11,269 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-12-07 16:52:11,269 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-12-07 16:52:11,269 INFO L246 CegarLoopResult]: For program point L639(lines 639 645) no Hoare annotation was computed. [2019-12-07 16:52:11,269 INFO L246 CegarLoopResult]: For program point L639-2(lines 639 645) no Hoare annotation was computed. [2019-12-07 16:52:11,269 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:52:11,269 INFO L246 CegarLoopResult]: For program point L639-4(lines 639 645) no Hoare annotation was computed. [2019-12-07 16:52:11,269 INFO L242 CegarLoopResult]: At program point L623(lines 618 625) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 16:52:11,269 INFO L242 CegarLoopResult]: At program point L475(lines 428 476) the Hoare annotation is: false [2019-12-07 16:52:11,270 INFO L246 CegarLoopResult]: For program point L459(lines 459 470) no Hoare annotation was computed. [2019-12-07 16:52:11,270 INFO L242 CegarLoopResult]: At program point L576(lines 571 579) 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 16:52:11,270 INFO L242 CegarLoopResult]: At program point L576-1(lines 571 579) the Hoare annotation is: false [2019-12-07 16:52:11,270 INFO L242 CegarLoopResult]: At program point L576-2(lines 571 579) the Hoare annotation is: false [2019-12-07 16:52:11,270 INFO L246 CegarLoopResult]: For program point L775(lines 775 779) no Hoare annotation was computed. [2019-12-07 16:52:11,270 INFO L246 CegarLoopResult]: For program point L742(lines 742 749) no Hoare annotation was computed. [2019-12-07 16:52:11,270 INFO L249 CegarLoopResult]: At program point L742-1(lines 742 749) the Hoare annotation is: true [2019-12-07 16:52:11,270 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:52:11,271 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 16:52:11,271 INFO L242 CegarLoopResult]: At program point L859(lines 1 870) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 16:52:11,271 INFO L246 CegarLoopResult]: For program point L430(lines 429 474) no Hoare annotation was computed. [2019-12-07 16:52:11,271 INFO L246 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-12-07 16:52:11,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:52:11 BoogieIcfgContainer [2019-12-07 16:52:11,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:52:11,285 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:52:11,285 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:52:11,286 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:52:11,286 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:52:09" (3/4) ... [2019-12-07 16:52:11,289 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:52:11,301 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 16:52:11,301 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 16:52:11,302 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 16:52:11,302 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 16:52:11,303 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 16:52:11,303 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:52:11,303 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:52:11,329 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 16:52:11,355 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ce0ff0a8-cde7-452c-9f8a-652807fa68a8/bin/utaipan/witness.graphml [2019-12-07 16:52:11,355 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:52:11,356 INFO L168 Benchmark]: Toolchain (without parser) took 3139.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 953.7 MB in the beginning and 854.4 MB in the end (delta: 99.3 MB). Peak memory consumption was 225.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:52:11,357 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:52:11,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -153.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:52:11,357 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:52:11,357 INFO L168 Benchmark]: Boogie Preprocessor took 25.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:52:11,357 INFO L168 Benchmark]: RCFGBuilder took 480.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.2 MB). Peak memory consumption was 72.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:52:11,358 INFO L168 Benchmark]: TraceAbstraction took 2162.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 861.2 MB in the end (delta: 161.3 MB). Peak memory consumption was 161.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:52:11,358 INFO L168 Benchmark]: Witness Printer took 69.96 ms. Allocated memory is still 1.2 GB. Free memory was 861.2 MB in the beginning and 854.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:52:11,359 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 358.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -153.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 480.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.2 MB). Peak memory consumption was 72.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2162.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 861.2 MB in the end (delta: 161.3 MB). Peak memory consumption was 161.3 MB. Max. memory is 11.5 GB. * Witness Printer took 69.96 ms. Allocated memory is still 1.2 GB. Free memory was 861.2 MB in the beginning and 854.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 3 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 231 SDtfs, 220 SDslu, 247 SDs, 0 SdLazy, 35 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 60 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 5904 SizeOfPredicates, 7 NumberOfNonLiveVariables, 731 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...