./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18788254abfa5723715f3d4730fe86dc47b8285d ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18788254abfa5723715f3d4730fe86dc47b8285d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:51:22,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:51:22,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:51:23,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:51:23,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:51:23,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:51:23,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:51:23,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:51:23,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:51:23,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:51:23,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:51:23,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:51:23,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:51:23,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:51:23,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:51:23,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:51:23,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:51:23,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:51:23,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:51:23,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:51:23,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:51:23,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:51:23,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:51:23,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:51:23,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:51:23,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:51:23,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:51:23,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:51:23,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:51:23,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:51:23,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:51:23,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:51:23,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:51:23,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:51:23,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:51:23,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:51:23,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:51:23,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:51:23,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:51:23,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:51:23,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:51:23,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:51:23,216 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:51:23,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:51:23,218 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:51:23,219 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:51:23,219 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:51:23,219 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:51:23,219 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:51:23,220 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:51:23,220 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:51:23,220 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:51:23,222 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:51:23,222 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:51:23,222 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:51:23,223 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:51:23,223 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:51:23,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:51:23,224 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:51:23,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:51:23,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:51:23,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:51:23,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:51:23,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:51:23,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:51:23,226 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:51:23,226 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:51:23,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:51:23,227 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:51:23,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:51:23,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:51:23,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:51:23,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:51:23,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:51:23,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:51:23,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:51:23,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:51:23,230 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:51:23,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:51:23,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:51:23,231 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:51:23,231 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:51:23,231 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18788254abfa5723715f3d4730fe86dc47b8285d [2020-11-22 12:51:23,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:51:23,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:51:23,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:51:23,664 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:51:23,665 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:51:23,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2020-11-22 12:51:23,775 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/data/7616fc279/c4081d1ae1fc4150b6520882c01f8184/FLAGe63b8be8b [2020-11-22 12:51:24,371 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:51:24,372 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2020-11-22 12:51:24,392 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/data/7616fc279/c4081d1ae1fc4150b6520882c01f8184/FLAGe63b8be8b [2020-11-22 12:51:24,674 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/data/7616fc279/c4081d1ae1fc4150b6520882c01f8184 [2020-11-22 12:51:24,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:51:24,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:51:24,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:51:24,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:51:24,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:51:24,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:51:24" (1/1) ... [2020-11-22 12:51:24,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aaa4ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:51:24, skipping insertion in model container [2020-11-22 12:51:24,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:51:24" (1/1) ... [2020-11-22 12:51:24,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:51:24,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:51:25,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:51:25,134 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) [2020-11-22 12:51:25,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2415da09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:51:25, skipping insertion in model container [2020-11-22 12:51:25,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:51:25,136 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:51:25,139 INFO L168 Benchmark]: Toolchain (without parser) took 454.45 ms. Allocated memory is still 107.0 MB. Free memory was 72.2 MB in the beginning and 80.0 MB in the end (delta: -7.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:51:25,140 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 73.4 MB. Free memory was 32.9 MB in the beginning and 32.9 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:51:25,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 448.78 ms. Allocated memory is still 107.0 MB. Free memory was 72.0 MB in the beginning and 80.5 MB in the end (delta: -8.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:51:25,144 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 73.4 MB. Free memory was 32.9 MB in the beginning and 32.9 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 448.78 ms. Allocated memory is still 107.0 MB. Free memory was 72.0 MB in the beginning and 80.5 MB in the end (delta: -8.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 426]: 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 0.2.0-a4ecdab [2020-11-22 12:51:27,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:51:27,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:51:27,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:51:27,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:51:27,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:51:27,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:51:27,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:51:27,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:51:27,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:51:27,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:51:27,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:51:27,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:51:27,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:51:27,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:51:28,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:51:28,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:51:28,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:51:28,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:51:28,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:51:28,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:51:28,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:51:28,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:51:28,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:51:28,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:51:28,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:51:28,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:51:28,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:51:28,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:51:28,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:51:28,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:51:28,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:51:28,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:51:28,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:51:28,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:51:28,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:51:28,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:51:28,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:51:28,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:51:28,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:51:28,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:51:28,061 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:51:28,117 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:51:28,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:51:28,120 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:51:28,120 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:51:28,121 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:51:28,121 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:51:28,121 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:51:28,122 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:51:28,122 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:51:28,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:51:28,125 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:51:28,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:51:28,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:51:28,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:51:28,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:51:28,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:51:28,127 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:51:28,127 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:51:28,127 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:51:28,128 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:51:28,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:51:28,128 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:51:28,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:51:28,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:51:28,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:51:28,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:51:28,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:51:28,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:51:28,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:51:28,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:51:28,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:51:28,131 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:51:28,131 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:51:28,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:51:28,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:51:28,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:51:28,133 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18788254abfa5723715f3d4730fe86dc47b8285d [2020-11-22 12:51:28,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:51:28,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:51:28,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:51:28,654 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:51:28,655 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:51:28,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2020-11-22 12:51:28,737 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/data/47c5d9147/1ae6a4602a9a47f5911afcb7731d1b99/FLAG4829a139a [2020-11-22 12:51:29,431 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:51:29,432 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2020-11-22 12:51:29,447 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/data/47c5d9147/1ae6a4602a9a47f5911afcb7731d1b99/FLAG4829a139a [2020-11-22 12:51:29,715 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/data/47c5d9147/1ae6a4602a9a47f5911afcb7731d1b99 [2020-11-22 12:51:29,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:51:29,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:51:29,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:51:29,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:51:29,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:51:29,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:51:29" (1/1) ... [2020-11-22 12:51:29,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f70b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:51:29, skipping insertion in model container [2020-11-22 12:51:29,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:51:29" (1/1) ... [2020-11-22 12:51:29,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:51:29,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:51:30,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:51:30,307 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:51:30,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:51:30,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:51:30,464 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:51:30,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:51:30,603 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:51:30,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:51:30 WrapperNode [2020-11-22 12:51:30,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:51:30,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:51:30,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:51:30,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:51:30,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:51:30" (1/1) ... [2020-11-22 12:51:30,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:51:30" (1/1) ... [2020-11-22 12:51:30,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:51:30,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:51:30,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:51:30,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:51:30,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:51:30" (1/1) ... [2020-11-22 12:51:30,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:51:30" (1/1) ... [2020-11-22 12:51:30,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:51:30" (1/1) ... [2020-11-22 12:51:30,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:51:30" (1/1) ... [2020-11-22 12:51:30,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:51:30" (1/1) ... [2020-11-22 12:51:30,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:51:30" (1/1) ... [2020-11-22 12:51:30,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:51:30" (1/1) ... [2020-11-22 12:51:30,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:51:30,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:51:30,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:51:30,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:51:30,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:51:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/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 [2020-11-22 12:51:30,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:51:30,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:51:30,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:51:30,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:51:33,843 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:51:33,844 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-22 12:51:33,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:51:33 BoogieIcfgContainer [2020-11-22 12:51:33,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:51:33,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:51:33,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:51:33,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:51:33,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:51:29" (1/3) ... [2020-11-22 12:51:33,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13df21b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:51:33, skipping insertion in model container [2020-11-22 12:51:33,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:51:30" (2/3) ... [2020-11-22 12:51:33,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13df21b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:51:33, skipping insertion in model container [2020-11-22 12:51:33,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:51:33" (3/3) ... [2020-11-22 12:51:33,856 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product07.cil.c [2020-11-22 12:51:33,870 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:51:33,875 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:51:33,890 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:51:33,920 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:51:33,920 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:51:33,920 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:51:33,921 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:51:33,921 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:51:33,921 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:51:33,921 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:51:33,922 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:51:33,939 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-11-22 12:51:33,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 12:51:33,946 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:51:33,947 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:51:33,948 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:51:33,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:51:33,955 INFO L82 PathProgramCache]: Analyzing trace with hash 968341668, now seen corresponding path program 1 times [2020-11-22 12:51:33,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:51:33,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185778316] [2020-11-22 12:51:33,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/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 [2020-11-22 12:51:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:51:34,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:51:34,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:51:34,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:51:34,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:51:34,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:51:34,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185778316] [2020-11-22 12:51:34,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:51:34,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:51:34,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827416135] [2020-11-22 12:51:34,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:51:34,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:51:34,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:51:34,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:51:34,487 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-11-22 12:51:34,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:51:34,548 INFO L93 Difference]: Finished difference Result 146 states and 219 transitions. [2020-11-22 12:51:34,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:51:34,551 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 12:51:34,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:51:34,570 INFO L225 Difference]: With dead ends: 146 [2020-11-22 12:51:34,574 INFO L226 Difference]: Without dead ends: 71 [2020-11-22 12:51:34,578 INFO L677 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 [2020-11-22 12:51:34,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-22 12:51:34,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-11-22 12:51:34,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-22 12:51:34,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2020-11-22 12:51:34,641 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2020-11-22 12:51:34,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:51:34,642 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2020-11-22 12:51:34,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:51:34,642 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2020-11-22 12:51:34,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 12:51:34,644 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:51:34,645 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:51:34,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:51:34,866 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:51:34,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:51:34,867 INFO L82 PathProgramCache]: Analyzing trace with hash 749505699, now seen corresponding path program 1 times [2020-11-22 12:51:34,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:51:34,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1555202046] [2020-11-22 12:51:34,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/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 [2020-11-22 12:51:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:51:35,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:51:35,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:51:35,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:51:35,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:51:35,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:51:35,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1555202046] [2020-11-22 12:51:35,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:51:35,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:51:35,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005169701] [2020-11-22 12:51:35,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:51:35,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:51:35,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:51:35,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:51:35,184 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 4 states. [2020-11-22 12:51:35,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:51:35,211 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-11-22 12:51:35,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:51:35,212 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 12:51:35,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:51:35,213 INFO L225 Difference]: With dead ends: 71 [2020-11-22 12:51:35,214 INFO L226 Difference]: Without dead ends: 35 [2020-11-22 12:51:35,215 INFO L677 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 [2020-11-22 12:51:35,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-22 12:51:35,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-22 12:51:35,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-22 12:51:35,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-22 12:51:35,222 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-11-22 12:51:35,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:51:35,222 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-22 12:51:35,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:51:35,223 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-22 12:51:35,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:51:35,224 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:51:35,224 INFO L422 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] [2020-11-22 12:51:35,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:51:35,440 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:51:35,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:51:35,441 INFO L82 PathProgramCache]: Analyzing trace with hash 369120319, now seen corresponding path program 1 times [2020-11-22 12:51:35,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:51:35,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866140087] [2020-11-22 12:51:35,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/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 [2020-11-22 12:51:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:51:35,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:51:35,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:51:35,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:51:35,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:51:35,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:51:35,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [866140087] [2020-11-22 12:51:35,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:51:35,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:51:35,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406695330] [2020-11-22 12:51:35,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:51:35,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:51:35,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:51:35,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:51:35,754 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2020-11-22 12:51:35,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:51:35,799 INFO L93 Difference]: Finished difference Result 115 states and 169 transitions. [2020-11-22 12:51:35,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 12:51:35,799 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 12:51:35,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:51:35,801 INFO L225 Difference]: With dead ends: 115 [2020-11-22 12:51:35,801 INFO L226 Difference]: Without dead ends: 87 [2020-11-22 12:51:35,802 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:51:35,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-11-22 12:51:35,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 55. [2020-11-22 12:51:35,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-22 12:51:35,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 80 transitions. [2020-11-22 12:51:35,822 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 80 transitions. Word has length 24 [2020-11-22 12:51:35,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:51:35,822 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 80 transitions. [2020-11-22 12:51:35,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:51:35,822 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2020-11-22 12:51:35,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 12:51:35,825 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:51:35,825 INFO L422 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] [2020-11-22 12:51:36,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:51:36,051 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:51:36,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:51:36,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1510483975, now seen corresponding path program 1 times [2020-11-22 12:51:36,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:51:36,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159763100] [2020-11-22 12:51:36,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/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 [2020-11-22 12:51:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:51:36,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:51:36,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:51:36,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:51:36,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:51:36,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:51:36,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1159763100] [2020-11-22 12:51:36,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:51:36,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 12:51:36,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21423206] [2020-11-22 12:51:36,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:51:36,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:51:36,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:51:36,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:51:36,382 INFO L87 Difference]: Start difference. First operand 55 states and 80 transitions. Second operand 5 states. [2020-11-22 12:51:36,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:51:36,621 INFO L93 Difference]: Finished difference Result 242 states and 372 transitions. [2020-11-22 12:51:36,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 12:51:36,622 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-22 12:51:36,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:51:36,625 INFO L225 Difference]: With dead ends: 242 [2020-11-22 12:51:36,625 INFO L226 Difference]: Without dead ends: 194 [2020-11-22 12:51:36,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:51:36,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-11-22 12:51:36,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 95. [2020-11-22 12:51:36,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-11-22 12:51:36,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 138 transitions. [2020-11-22 12:51:36,680 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 138 transitions. Word has length 25 [2020-11-22 12:51:36,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:51:36,681 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 138 transitions. [2020-11-22 12:51:36,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:51:36,681 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2020-11-22 12:51:36,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 12:51:36,684 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:51:36,685 INFO L422 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] [2020-11-22 12:51:36,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:51:36,899 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:51:36,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:51:36,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1404713871, now seen corresponding path program 1 times [2020-11-22 12:51:36,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:51:36,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [719072792] [2020-11-22 12:51:36,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/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 [2020-11-22 12:51:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:51:37,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:51:37,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:51:37,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:51:37,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:51:37,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:51:37,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [719072792] [2020-11-22 12:51:37,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:51:37,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 12:51:37,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150704823] [2020-11-22 12:51:37,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:51:37,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:51:37,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:51:37,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:51:37,200 INFO L87 Difference]: Start difference. First operand 95 states and 138 transitions. Second operand 5 states. [2020-11-22 12:51:37,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:51:37,352 INFO L93 Difference]: Finished difference Result 285 states and 424 transitions. [2020-11-22 12:51:37,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:51:37,353 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-22 12:51:37,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:51:37,353 INFO L225 Difference]: With dead ends: 285 [2020-11-22 12:51:37,353 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:51:37,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:51:37,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:51:37,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:51:37,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:51:37,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:51:37,356 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-22 12:51:37,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:51:37,357 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:51:37,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:51:37,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:51:37,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:51:37,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:51:37,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:51:37,729 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 6 [2020-11-22 12:51:38,081 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:51:38,081 INFO L274 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2020-11-22 12:51:38,081 INFO L274 CegarLoopResult]: For program point L779-1(lines 142 148) no Hoare annotation was computed. [2020-11-22 12:51:38,081 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:51:38,081 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:51:38,082 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 12:51:38,082 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:51:38,082 INFO L270 CegarLoopResult]: At program point L218(lines 211 221) the Hoare annotation is: false [2020-11-22 12:51:38,082 INFO L270 CegarLoopResult]: At program point L218-1(lines 211 221) the Hoare annotation is: false [2020-11-22 12:51:38,082 INFO L270 CegarLoopResult]: At program point L218-2(lines 211 221) the Hoare annotation is: false [2020-11-22 12:51:38,082 INFO L274 CegarLoopResult]: For program point L879(lines 879 896) no Hoare annotation was computed. [2020-11-22 12:51:38,082 INFO L270 CegarLoopResult]: At program point L879-1(lines 1 899) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:51:38,082 INFO L274 CegarLoopResult]: For program point L879-2(lines 879 896) no Hoare annotation was computed. [2020-11-22 12:51:38,083 INFO L270 CegarLoopResult]: At program point L879-3(lines 1 899) the Hoare annotation is: false [2020-11-22 12:51:38,083 INFO L274 CegarLoopResult]: For program point L879-4(lines 879 896) no Hoare annotation was computed. [2020-11-22 12:51:38,083 INFO L270 CegarLoopResult]: At program point L879-5(lines 1 899) the Hoare annotation is: false [2020-11-22 12:51:38,083 INFO L270 CegarLoopResult]: At program point L384(lines 379 387) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:51:38,083 INFO L274 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-11-22 12:51:38,083 INFO L274 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-11-22 12:51:38,083 INFO L274 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2020-11-22 12:51:38,083 INFO L274 CegarLoopResult]: For program point L848(lines 848 855) no Hoare annotation was computed. [2020-11-22 12:51:38,084 INFO L277 CegarLoopResult]: At program point L848-1(lines 848 855) the Hoare annotation is: true [2020-11-22 12:51:38,084 INFO L274 CegarLoopResult]: For program point L304(lines 304 310) no Hoare annotation was computed. [2020-11-22 12:51:38,084 INFO L270 CegarLoopResult]: At program point L304-1(lines 304 310) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:51:38,084 INFO L274 CegarLoopResult]: For program point L271(lines 271 277) no Hoare annotation was computed. [2020-11-22 12:51:38,084 INFO L270 CegarLoopResult]: At program point L271-1(lines 271 277) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:51:38,084 INFO L274 CegarLoopResult]: For program point L883(lines 883 893) no Hoare annotation was computed. [2020-11-22 12:51:38,084 INFO L274 CegarLoopResult]: For program point L883-2(lines 883 893) no Hoare annotation was computed. [2020-11-22 12:51:38,084 INFO L274 CegarLoopResult]: For program point L883-4(lines 883 893) no Hoare annotation was computed. [2020-11-22 12:51:38,084 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:51:38,085 INFO L270 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2020-11-22 12:51:38,085 INFO L270 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:51:38,085 INFO L270 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2020-11-22 12:51:38,085 INFO L270 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2020-11-22 12:51:38,085 INFO L270 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2020-11-22 12:51:38,085 INFO L270 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2020-11-22 12:51:38,085 INFO L274 CegarLoopResult]: For program point L884(lines 884 890) no Hoare annotation was computed. [2020-11-22 12:51:38,085 INFO L274 CegarLoopResult]: For program point L884-2(lines 884 890) no Hoare annotation was computed. [2020-11-22 12:51:38,085 INFO L274 CegarLoopResult]: For program point L884-4(lines 884 890) no Hoare annotation was computed. [2020-11-22 12:51:38,086 INFO L274 CegarLoopResult]: For program point L174(lines 174 191) no Hoare annotation was computed. [2020-11-22 12:51:38,086 INFO L274 CegarLoopResult]: For program point L174-1(lines 174 191) no Hoare annotation was computed. [2020-11-22 12:51:38,086 INFO L274 CegarLoopResult]: For program point L174-2(lines 174 191) no Hoare annotation was computed. [2020-11-22 12:51:38,093 INFO L270 CegarLoopResult]: At program point L868(lines 863 870) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:51:38,094 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:51:38,094 INFO L270 CegarLoopResult]: At program point L142(lines 141 160) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:51:38,094 INFO L274 CegarLoopResult]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2020-11-22 12:51:38,095 INFO L270 CegarLoopResult]: At program point L142-2(lines 141 160) the Hoare annotation is: false [2020-11-22 12:51:38,095 INFO L270 CegarLoopResult]: At program point L142-3(lines 141 160) the Hoare annotation is: false [2020-11-22 12:51:38,095 INFO L274 CegarLoopResult]: For program point L324(lines 324 337) no Hoare annotation was computed. [2020-11-22 12:51:38,095 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:51:38,095 INFO L270 CegarLoopResult]: At program point L342(lines 293 343) the Hoare annotation is: false [2020-11-22 12:51:38,095 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-11-22 12:51:38,096 INFO L270 CegarLoopResult]: At program point L227(lines 222 230) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:51:38,096 INFO L270 CegarLoopResult]: At program point L227-1(lines 222 230) the Hoare annotation is: false [2020-11-22 12:51:38,096 INFO L270 CegarLoopResult]: At program point L227-2(lines 222 230) the Hoare annotation is: false [2020-11-22 12:51:38,096 INFO L270 CegarLoopResult]: At program point L376(lines 1 899) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:51:38,096 INFO L274 CegarLoopResult]: For program point L178(lines 178 186) no Hoare annotation was computed. [2020-11-22 12:51:38,097 INFO L274 CegarLoopResult]: For program point L178-1(lines 178 186) no Hoare annotation was computed. [2020-11-22 12:51:38,097 INFO L274 CegarLoopResult]: For program point L178-2(lines 178 186) no Hoare annotation was computed. [2020-11-22 12:51:38,097 INFO L274 CegarLoopResult]: For program point L393(line 393) no Hoare annotation was computed. [2020-11-22 12:51:38,097 INFO L274 CegarLoopResult]: For program point L393-1(line 393) no Hoare annotation was computed. [2020-11-22 12:51:38,097 INFO L274 CegarLoopResult]: For program point L393-2(line 393) no Hoare annotation was computed. [2020-11-22 12:51:38,098 INFO L270 CegarLoopResult]: At program point L823(lines 819 825) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:51:38,098 INFO L274 CegarLoopResult]: For program point L295(lines 294 341) no Hoare annotation was computed. [2020-11-22 12:51:38,098 INFO L277 CegarLoopResult]: At program point L857(lines 838 860) the Hoare annotation is: true [2020-11-22 12:51:38,098 INFO L274 CegarLoopResult]: For program point L296(lines 296 300) no Hoare annotation was computed. [2020-11-22 12:51:38,098 INFO L270 CegarLoopResult]: At program point L775-2(lines 775 789) the Hoare annotation is: false [2020-11-22 12:51:38,099 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:51:38,099 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:51:38,100 INFO L274 CegarLoopResult]: For program point L330(lines 330 336) no Hoare annotation was computed. [2020-11-22 12:51:38,101 INFO L270 CegarLoopResult]: At program point L330-1(lines 142 148) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:51:38,101 INFO L274 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2020-11-22 12:51:38,101 INFO L274 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-11-22 12:51:38,102 INFO L274 CegarLoopResult]: For program point L314(lines 314 320) no Hoare annotation was computed. [2020-11-22 12:51:38,102 INFO L270 CegarLoopResult]: At program point L314-1(lines 314 320) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:51:38,102 INFO L270 CegarLoopResult]: At program point L149(lines 149 155) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:51:38,102 INFO L270 CegarLoopResult]: At program point L149-1(lines 149 155) the Hoare annotation is: false [2020-11-22 12:51:38,102 INFO L270 CegarLoopResult]: At program point L149-2(lines 149 155) the Hoare annotation is: false [2020-11-22 12:51:38,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:51:38 BoogieIcfgContainer [2020-11-22 12:51:38,146 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:51:38,146 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:51:38,147 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:51:38,147 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:51:38,147 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:51:33" (3/4) ... [2020-11-22 12:51:38,151 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:51:38,178 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 12:51:38,179 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 12:51:38,180 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 12:51:38,181 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 12:51:38,182 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:51:38,182 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:51:38,183 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:51:38,222 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 12:51:38,301 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8754a6b5-a6f1-48e7-88ea-4c62a00321a0/bin/utaipan/witness.graphml [2020-11-22 12:51:38,302 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:51:38,304 INFO L168 Benchmark]: Toolchain (without parser) took 8579.19 ms. Allocated memory was 77.6 MB in the beginning and 119.5 MB in the end (delta: 41.9 MB). Free memory was 54.1 MB in the beginning and 75.7 MB in the end (delta: -21.6 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:51:38,304 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 50.3 MB. Free memory was 31.9 MB in the beginning and 31.8 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:51:38,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 877.91 ms. Allocated memory is still 77.6 MB. Free memory was 53.9 MB in the beginning and 46.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:51:38,306 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.49 ms. Allocated memory is still 77.6 MB. Free memory was 46.9 MB in the beginning and 43.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:51:38,306 INFO L168 Benchmark]: Boogie Preprocessor took 73.62 ms. Allocated memory is still 77.6 MB. Free memory was 43.9 MB in the beginning and 41.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:51:38,307 INFO L168 Benchmark]: RCFGBuilder took 3083.98 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 41.5 MB in the beginning and 78.5 MB in the end (delta: -36.9 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2020-11-22 12:51:38,307 INFO L168 Benchmark]: TraceAbstraction took 4297.82 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 77.8 MB in the beginning and 82.0 MB in the end (delta: -4.2 MB). Peak memory consumption was 66.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:51:38,308 INFO L168 Benchmark]: Witness Printer took 155.55 ms. Allocated memory is still 119.5 MB. Free memory was 82.0 MB in the beginning and 75.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:51:38,311 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 50.3 MB. Free memory was 31.9 MB in the beginning and 31.8 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 877.91 ms. Allocated memory is still 77.6 MB. Free memory was 53.9 MB in the beginning and 46.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.49 ms. Allocated memory is still 77.6 MB. Free memory was 46.9 MB in the beginning and 43.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.62 ms. Allocated memory is still 77.6 MB. Free memory was 43.9 MB in the beginning and 41.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3083.98 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 41.5 MB in the beginning and 78.5 MB in the end (delta: -36.9 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4297.82 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 77.8 MB in the beginning and 82.0 MB in the end (delta: -4.2 MB). Peak memory consumption was 66.1 MB. Max. memory is 16.1 GB. * Witness Printer took 155.55 ms. Allocated memory is still 119.5 MB. Free memory was 82.0 MB in the beginning and 75.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 863]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 325 SDtfs, 369 SDslu, 367 SDs, 0 SdLazy, 66 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 131 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 134 HoareAnnotationTreeSize, 33 FomulaSimplifications, 4062 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 10026 SizeOfPredicates, 8 NumberOfNonLiveVariables, 988 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...