./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.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_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/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 f109400e8916ff9eba13533e7575144e5f0c1404 ............................................................................................................................................ 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_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/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 f109400e8916ff9eba13533e7575144e5f0c1404 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:36:38,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:36:38,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:36:38,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:36:38,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:36:38,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:36:38,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:36:38,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:36:38,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:36:38,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:36:38,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:36:38,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:36:38,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:36:38,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:36:38,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:36:38,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:36:38,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:36:38,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:36:38,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:36:38,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:36:38,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:36:38,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:36:38,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:36:38,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:36:38,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:36:38,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:36:38,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:36:38,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:36:38,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:36:38,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:36:38,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:36:38,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:36:38,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:36:38,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:36:38,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:36:38,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:36:38,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:36:38,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:36:38,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:36:38,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:36:38,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:36:38,196 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:36:38,239 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:36:38,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:36:38,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:36:38,240 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:36:38,241 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:36:38,241 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:36:38,241 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:36:38,241 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:36:38,241 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:36:38,242 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:36:38,243 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:36:38,243 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:36:38,243 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:36:38,243 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:36:38,244 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:36:38,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:36:38,245 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:36:38,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:36:38,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:36:38,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:36:38,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:36:38,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:36:38,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:36:38,246 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:36:38,246 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:36:38,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:36:38,247 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:36:38,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:36:38,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:36:38,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:36:38,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:36:38,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:36:38,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:36:38,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:36:38,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:36:38,250 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:36:38,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:36:38,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:36:38,251 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:36:38,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:36:38,251 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_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f109400e8916ff9eba13533e7575144e5f0c1404 [2020-11-28 07:36:38,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:36:38,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:36:38,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:36:38,532 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:36:38,535 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:36:38,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2020-11-28 07:36:38,609 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/data/a76ad2c22/5570bbca902e4deabbd863dbec059dd9/FLAG1750ad132 [2020-11-28 07:36:39,237 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:36:39,238 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2020-11-28 07:36:39,251 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/data/a76ad2c22/5570bbca902e4deabbd863dbec059dd9/FLAG1750ad132 [2020-11-28 07:36:39,543 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/data/a76ad2c22/5570bbca902e4deabbd863dbec059dd9 [2020-11-28 07:36:39,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:36:39,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:36:39,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:36:39,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:36:39,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:36:39,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:36:39" (1/1) ... [2020-11-28 07:36:39,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2610f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:39, skipping insertion in model container [2020-11-28 07:36:39,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:36:39" (1/1) ... [2020-11-28 07:36:39,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:36:39,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:36:39,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:36:39,939 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) [2020-11-28 07:36:39,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4975040e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:39, skipping insertion in model container [2020-11-28 07:36:39,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:36:39,940 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:36:39,943 INFO L168 Benchmark]: Toolchain (without parser) took 394.24 ms. Allocated memory is still 102.8 MB. Free memory was 73.7 MB in the beginning and 76.5 MB in the end (delta: -2.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:39,943 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 102.8 MB. Free memory is still 61.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:36:39,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.59 ms. Allocated memory is still 102.8 MB. Free memory was 73.4 MB in the beginning and 76.5 MB in the end (delta: -3.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:39,946 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 102.8 MB. Free memory is still 61.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 391.59 ms. Allocated memory is still 102.8 MB. Free memory was 73.4 MB in the beginning and 76.5 MB in the end (delta: -3.1 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: 437]: 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 [2020-11-28 07:36:42,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:36:42,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:36:42,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:36:42,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:36:42,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:36:42,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:36:42,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:36:42,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:36:42,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:36:42,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:36:42,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:36:42,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:36:42,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:36:42,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:36:42,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:36:42,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:36:42,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:36:42,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:36:42,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:36:42,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:36:42,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:36:42,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:36:42,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:36:42,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:36:42,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:36:42,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:36:42,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:36:42,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:36:42,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:36:42,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:36:42,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:36:42,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:36:42,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:36:42,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:36:42,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:36:42,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:36:42,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:36:42,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:36:42,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:36:42,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:36:42,289 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:36:42,332 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:36:42,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:36:42,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:36:42,334 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:36:42,334 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:36:42,335 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:36:42,335 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:36:42,335 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:36:42,335 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:36:42,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:36:42,337 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:36:42,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:36:42,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:36:42,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:36:42,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:36:42,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:36:42,339 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:36:42,339 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:36:42,339 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:36:42,339 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:36:42,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:36:42,340 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:36:42,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:36:42,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:36:42,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:36:42,340 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:36:42,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:36:42,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:36:42,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:36:42,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:36:42,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:36:42,341 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:36:42,342 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:36:42,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:36:42,342 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:36:42,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:36:42,342 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_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f109400e8916ff9eba13533e7575144e5f0c1404 [2020-11-28 07:36:42,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:36:42,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:36:42,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:36:42,731 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:36:42,731 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:36:42,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2020-11-28 07:36:42,794 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/data/c23885243/02d9652a36604f9daf47f3f47da6e2fa/FLAG9dbf22732 [2020-11-28 07:36:43,395 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:36:43,396 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2020-11-28 07:36:43,409 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/data/c23885243/02d9652a36604f9daf47f3f47da6e2fa/FLAG9dbf22732 [2020-11-28 07:36:43,671 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/data/c23885243/02d9652a36604f9daf47f3f47da6e2fa [2020-11-28 07:36:43,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:36:43,677 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:36:43,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:36:43,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:36:43,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:36:43,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:36:43" (1/1) ... [2020-11-28 07:36:43,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49bba238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:43, skipping insertion in model container [2020-11-28 07:36:43,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:36:43" (1/1) ... [2020-11-28 07:36:43,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:36:43,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:36:44,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:36:44,016 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-28 07:36:44,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:36:44,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:36:44,171 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:36:44,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:36:44,319 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:36:44,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44 WrapperNode [2020-11-28 07:36:44,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:36:44,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:36:44,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:36:44,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:36:44,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (1/1) ... [2020-11-28 07:36:44,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (1/1) ... [2020-11-28 07:36:44,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:36:44,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:36:44,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:36:44,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:36:44,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (1/1) ... [2020-11-28 07:36:44,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (1/1) ... [2020-11-28 07:36:44,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (1/1) ... [2020-11-28 07:36:44,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (1/1) ... [2020-11-28 07:36:44,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (1/1) ... [2020-11-28 07:36:44,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (1/1) ... [2020-11-28 07:36:44,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (1/1) ... [2020-11-28 07:36:44,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:36:44,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:36:44,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:36:44,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:36:44,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/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 [2020-11-28 07:36:44,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:36:44,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:36:44,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:36:44,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:36:46,978 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:36:46,981 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-11-28 07:36:46,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:36:46 BoogieIcfgContainer [2020-11-28 07:36:46,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:36:46,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:36:46,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:36:46,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:36:46,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:36:43" (1/3) ... [2020-11-28 07:36:46,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de38715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:36:46, skipping insertion in model container [2020-11-28 07:36:46,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:44" (2/3) ... [2020-11-28 07:36:46,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de38715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:36:46, skipping insertion in model container [2020-11-28 07:36:46,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:36:46" (3/3) ... [2020-11-28 07:36:46,995 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2020-11-28 07:36:47,007 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:36:47,012 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 07:36:47,024 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 07:36:47,064 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:36:47,064 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:36:47,064 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:36:47,064 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:36:47,065 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:36:47,065 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:36:47,065 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:36:47,065 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:36:47,081 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2020-11-28 07:36:47,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 07:36:47,090 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:36:47,091 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:36:47,091 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:36:47,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:36:47,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1280611484, now seen corresponding path program 1 times [2020-11-28 07:36:47,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:36:47,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1510282721] [2020-11-28 07:36:47,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/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 [2020-11-28 07:36:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:36:47,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 07:36:47,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:36:47,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:36:47,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:36:47,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:36:47,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1510282721] [2020-11-28 07:36:47,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:36:47,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:36:47,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375874204] [2020-11-28 07:36:47,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:36:47,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:36:47,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:36:47,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:36:47,448 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2020-11-28 07:36:47,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:36:47,475 INFO L93 Difference]: Finished difference Result 154 states and 231 transitions. [2020-11-28 07:36:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:36:47,477 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 07:36:47,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:36:47,488 INFO L225 Difference]: With dead ends: 154 [2020-11-28 07:36:47,491 INFO L226 Difference]: Without dead ends: 75 [2020-11-28 07:36:47,495 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 [2020-11-28 07:36:47,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-28 07:36:47,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-11-28 07:36:47,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-28 07:36:47,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2020-11-28 07:36:47,562 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2020-11-28 07:36:47,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:36:47,563 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2020-11-28 07:36:47,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:36:47,563 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-11-28 07:36:47,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 07:36:47,564 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:36:47,564 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:36:47,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:36:47,783 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:36:47,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:36:47,784 INFO L82 PathProgramCache]: Analyzing trace with hash 877059811, now seen corresponding path program 1 times [2020-11-28 07:36:47,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:36:47,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855757222] [2020-11-28 07:36:47,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/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 [2020-11-28 07:36:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:36:48,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:36:48,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:36:48,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:36:48,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:36:48,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:36:48,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855757222] [2020-11-28 07:36:48,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:36:48,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-28 07:36:48,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145939616] [2020-11-28 07:36:48,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:36:48,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:36:48,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:36:48,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:36:48,063 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 4 states. [2020-11-28 07:36:48,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:36:48,084 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2020-11-28 07:36:48,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:36:48,086 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-28 07:36:48,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:36:48,089 INFO L225 Difference]: With dead ends: 75 [2020-11-28 07:36:48,089 INFO L226 Difference]: Without dead ends: 35 [2020-11-28 07:36:48,091 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 [2020-11-28 07:36:48,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-28 07:36:48,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-28 07:36:48,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-28 07:36:48,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-28 07:36:48,102 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-11-28 07:36:48,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:36:48,106 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-28 07:36:48,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:36:48,106 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-28 07:36:48,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 07:36:48,107 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:36:48,107 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] [2020-11-28 07:36:48,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 07:36:48,328 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:36:48,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:36:48,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1568486346, now seen corresponding path program 1 times [2020-11-28 07:36:48,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:36:48,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1513078156] [2020-11-28 07:36:48,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/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 [2020-11-28 07:36:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:36:48,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:36:48,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:36:48,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:36:48,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:36:48,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:36:48,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1513078156] [2020-11-28 07:36:48,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:36:48,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-28 07:36:48,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658099282] [2020-11-28 07:36:48,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:36:48,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:36:48,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:36:48,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:36:48,657 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2020-11-28 07:36:48,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:36:48,667 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2020-11-28 07:36:48,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:36:48,668 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-28 07:36:48,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:36:48,669 INFO L225 Difference]: With dead ends: 63 [2020-11-28 07:36:48,669 INFO L226 Difference]: Without dead ends: 35 [2020-11-28 07:36:48,670 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 [2020-11-28 07:36:48,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-28 07:36:48,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-28 07:36:48,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-28 07:36:48,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2020-11-28 07:36:48,676 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2020-11-28 07:36:48,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:36:48,676 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2020-11-28 07:36:48,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:36:48,676 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2020-11-28 07:36:48,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 07:36:48,677 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:36:48,677 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] [2020-11-28 07:36:48,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 07:36:48,893 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:36:48,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:36:48,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1679469095, now seen corresponding path program 1 times [2020-11-28 07:36:48,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:36:48,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1143422320] [2020-11-28 07:36:48,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/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 [2020-11-28 07:36:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:36:49,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:36:49,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:36:49,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:36:49,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:36:49,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:36:49,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1143422320] [2020-11-28 07:36:49,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:36:49,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-28 07:36:49,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112887432] [2020-11-28 07:36:49,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:36:49,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:36:49,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:36:49,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 07:36:49,121 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2020-11-28 07:36:49,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:36:49,260 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2020-11-28 07:36:49,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 07:36:49,264 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-28 07:36:49,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:36:49,265 INFO L225 Difference]: With dead ends: 154 [2020-11-28 07:36:49,265 INFO L226 Difference]: Without dead ends: 126 [2020-11-28 07:36:49,266 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 [2020-11-28 07:36:49,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-11-28 07:36:49,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2020-11-28 07:36:49,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-11-28 07:36:49,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2020-11-28 07:36:49,293 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2020-11-28 07:36:49,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:36:49,293 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2020-11-28 07:36:49,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:36:49,294 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2020-11-28 07:36:49,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 07:36:49,295 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:36:49,295 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] [2020-11-28 07:36:49,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-28 07:36:49,512 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:36:49,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:36:49,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1573698991, now seen corresponding path program 1 times [2020-11-28 07:36:49,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:36:49,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674257955] [2020-11-28 07:36:49,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/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 [2020-11-28 07:36:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:36:49,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:36:49,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:36:49,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:36:49,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:36:49,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:36:49,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [674257955] [2020-11-28 07:36:49,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:36:49,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-28 07:36:49,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030722825] [2020-11-28 07:36:49,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:36:49,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:36:49,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:36:49,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 07:36:49,757 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand 5 states. [2020-11-28 07:36:49,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:36:49,861 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2020-11-28 07:36:49,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:36:49,862 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-28 07:36:49,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:36:49,863 INFO L225 Difference]: With dead ends: 150 [2020-11-28 07:36:49,863 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:36:49,864 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 [2020-11-28 07:36:49,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:36:49,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:36:49,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:36:49,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:36:49,865 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-28 07:36:49,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:36:49,865 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:36:49,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:36:49,865 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:36:49,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:36:50,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-28 07:36:50,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:36:50,588 INFO L270 CegarLoopResult]: At program point L217(lines 216 235) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:36:50,588 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:36:50,588 INFO L274 CegarLoopResult]: For program point L217-1(lines 217 223) no Hoare annotation was computed. [2020-11-28 07:36:50,588 INFO L274 CegarLoopResult]: For program point L151(lines 150 195) no Hoare annotation was computed. [2020-11-28 07:36:50,588 INFO L270 CegarLoopResult]: At program point L217-2(lines 216 235) the Hoare annotation is: false [2020-11-28 07:36:50,588 INFO L270 CegarLoopResult]: At program point L217-3(lines 216 235) the Hoare annotation is: false [2020-11-28 07:36:50,589 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 07:36:50,589 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 07:36:50,589 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 07:36:50,589 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:36:50,589 INFO L274 CegarLoopResult]: For program point L829(lines 829 833) no Hoare annotation was computed. [2020-11-28 07:36:50,589 INFO L274 CegarLoopResult]: For program point L796(lines 796 806) no Hoare annotation was computed. [2020-11-28 07:36:50,589 INFO L274 CegarLoopResult]: For program point L829-1(lines 217 223) no Hoare annotation was computed. [2020-11-28 07:36:50,589 INFO L274 CegarLoopResult]: For program point L796-2(lines 796 806) no Hoare annotation was computed. [2020-11-28 07:36:50,589 INFO L274 CegarLoopResult]: For program point L152(lines 152 156) no Hoare annotation was computed. [2020-11-28 07:36:50,589 INFO L274 CegarLoopResult]: For program point L796-4(lines 796 806) no Hoare annotation was computed. [2020-11-28 07:36:50,589 INFO L274 CegarLoopResult]: For program point L351(lines 351 355) no Hoare annotation was computed. [2020-11-28 07:36:50,590 INFO L274 CegarLoopResult]: For program point L351-2(lines 351 355) no Hoare annotation was computed. [2020-11-28 07:36:50,590 INFO L274 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2020-11-28 07:36:50,590 INFO L274 CegarLoopResult]: For program point L351-3(lines 351 355) no Hoare annotation was computed. [2020-11-28 07:36:50,590 INFO L274 CegarLoopResult]: For program point L797-2(lines 797 803) no Hoare annotation was computed. [2020-11-28 07:36:50,590 INFO L274 CegarLoopResult]: For program point L186(lines 186 190) no Hoare annotation was computed. [2020-11-28 07:36:50,590 INFO L274 CegarLoopResult]: For program point L351-5(lines 351 355) no Hoare annotation was computed. [2020-11-28 07:36:50,590 INFO L274 CegarLoopResult]: For program point L351-6(lines 351 355) no Hoare annotation was computed. [2020-11-28 07:36:50,590 INFO L274 CegarLoopResult]: For program point L797-4(lines 797 803) no Hoare annotation was computed. [2020-11-28 07:36:50,590 INFO L274 CegarLoopResult]: For program point L186-2(lines 217 223) no Hoare annotation was computed. [2020-11-28 07:36:50,590 INFO L274 CegarLoopResult]: For program point L351-8(lines 351 355) no Hoare annotation was computed. [2020-11-28 07:36:50,591 INFO L270 CegarLoopResult]: At program point L302(lines 297 305) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:36:50,591 INFO L270 CegarLoopResult]: At program point L781(lines 776 783) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:36:50,591 INFO L270 CegarLoopResult]: At program point L302-1(lines 297 305) the Hoare annotation is: false [2020-11-28 07:36:50,591 INFO L270 CegarLoopResult]: At program point L302-2(lines 297 305) the Hoare annotation is: false [2020-11-28 07:36:50,591 INFO L274 CegarLoopResult]: For program point L170(lines 170 176) no Hoare annotation was computed. [2020-11-28 07:36:50,591 INFO L270 CegarLoopResult]: At program point L170-1(lines 170 176) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:36:50,591 INFO L274 CegarLoopResult]: For program point L897(lines 897 904) no Hoare annotation was computed. [2020-11-28 07:36:50,591 INFO L277 CegarLoopResult]: At program point L897-1(lines 897 904) the Hoare annotation is: true [2020-11-28 07:36:50,591 INFO L274 CegarLoopResult]: For program point L253(lines 253 261) no Hoare annotation was computed. [2020-11-28 07:36:50,592 INFO L274 CegarLoopResult]: For program point L253-1(lines 253 261) no Hoare annotation was computed. [2020-11-28 07:36:50,592 INFO L274 CegarLoopResult]: For program point L253-2(lines 253 261) no Hoare annotation was computed. [2020-11-28 07:36:50,592 INFO L274 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-11-28 07:36:50,592 INFO L274 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-11-28 07:36:50,592 INFO L274 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-11-28 07:36:50,592 INFO L270 CegarLoopResult]: At program point L387(lines 1 909) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:36:50,592 INFO L274 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-11-28 07:36:50,592 INFO L274 CegarLoopResult]: For program point L404-1(line 404) no Hoare annotation was computed. [2020-11-28 07:36:50,592 INFO L274 CegarLoopResult]: For program point L404-2(line 404) no Hoare annotation was computed. [2020-11-28 07:36:50,592 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:36:50,592 INFO L270 CegarLoopResult]: At program point L224(lines 224 230) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:36:50,593 INFO L270 CegarLoopResult]: At program point L224-1(lines 224 230) the Hoare annotation is: false [2020-11-28 07:36:50,593 INFO L270 CegarLoopResult]: At program point L224-2(lines 224 230) the Hoare annotation is: false [2020-11-28 07:36:50,593 INFO L270 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:36:50,593 INFO L270 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2020-11-28 07:36:50,593 INFO L270 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-11-28 07:36:50,593 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:36:50,593 INFO L270 CegarLoopResult]: At program point L357(lines 342 360) the Hoare annotation is: false [2020-11-28 07:36:50,593 INFO L270 CegarLoopResult]: At program point L357-1(lines 342 360) the Hoare annotation is: false [2020-11-28 07:36:50,593 INFO L270 CegarLoopResult]: At program point L357-2(lines 342 360) the Hoare annotation is: false [2020-11-28 07:36:50,594 INFO L274 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2020-11-28 07:36:50,594 INFO L270 CegarLoopResult]: At program point L160-1(lines 160 166) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:36:50,594 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:36:50,594 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-11-28 07:36:50,594 INFO L277 CegarLoopResult]: At program point L906(lines 887 909) the Hoare annotation is: true [2020-11-28 07:36:50,601 INFO L270 CegarLoopResult]: At program point L873(lines 869 875) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:36:50,601 INFO L270 CegarLoopResult]: At program point L196(lines 149 197) the Hoare annotation is: false [2020-11-28 07:36:50,602 INFO L274 CegarLoopResult]: For program point L180(lines 180 191) no Hoare annotation was computed. [2020-11-28 07:36:50,603 INFO L270 CegarLoopResult]: At program point L395(lines 390 398) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:36:50,603 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:36:50,603 INFO L274 CegarLoopResult]: For program point L792(lines 792 809) no Hoare annotation was computed. [2020-11-28 07:36:50,603 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:36:50,603 INFO L270 CegarLoopResult]: At program point L792-1(lines 1 909) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:36:50,603 INFO L270 CegarLoopResult]: At program point L825-2(lines 825 839) the Hoare annotation is: false [2020-11-28 07:36:50,604 INFO L274 CegarLoopResult]: For program point L792-2(lines 792 809) no Hoare annotation was computed. [2020-11-28 07:36:50,604 INFO L270 CegarLoopResult]: At program point L792-3(lines 1 909) the Hoare annotation is: false [2020-11-28 07:36:50,604 INFO L274 CegarLoopResult]: For program point L792-4(lines 792 809) no Hoare annotation was computed. [2020-11-28 07:36:50,604 INFO L270 CegarLoopResult]: At program point L792-5(lines 1 909) the Hoare annotation is: false [2020-11-28 07:36:50,604 INFO L274 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-11-28 07:36:50,604 INFO L270 CegarLoopResult]: At program point L133(lines 128 136) the Hoare annotation is: false [2020-11-28 07:36:50,605 INFO L270 CegarLoopResult]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2020-11-28 07:36:50,605 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-11-28 07:36:50,606 INFO L270 CegarLoopResult]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2020-11-28 07:36:50,607 INFO L274 CegarLoopResult]: For program point L249(lines 249 266) no Hoare annotation was computed. [2020-11-28 07:36:50,607 INFO L274 CegarLoopResult]: For program point L249-1(lines 249 266) no Hoare annotation was computed. [2020-11-28 07:36:50,607 INFO L274 CegarLoopResult]: For program point L249-2(lines 249 266) no Hoare annotation was computed. [2020-11-28 07:36:50,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:36:50 BoogieIcfgContainer [2020-11-28 07:36:50,640 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:36:50,641 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:36:50,642 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:36:50,642 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:36:50,642 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:36:46" (3/4) ... [2020-11-28 07:36:50,646 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:36:50,669 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 07:36:50,670 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 07:36:50,671 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 07:36:50,672 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 07:36:50,672 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 07:36:50,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:36:50,674 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:36:50,708 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-28 07:36:50,788 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_51fb08b9-87a2-4f5a-85a8-6c60965d5c00/bin/utaipan/witness.graphml [2020-11-28 07:36:50,788 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:36:50,791 INFO L168 Benchmark]: Toolchain (without parser) took 7112.51 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 44.6 MB in the beginning and 25.5 MB in the end (delta: 19.1 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:50,791 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 65.0 MB. Free memory is still 47.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:36:50,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.58 ms. Allocated memory is still 65.0 MB. Free memory was 44.4 MB in the beginning and 38.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:50,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.79 ms. Allocated memory is still 65.0 MB. Free memory was 38.0 MB in the beginning and 34.8 MB in the end (delta: 3.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:36:50,792 INFO L168 Benchmark]: Boogie Preprocessor took 69.99 ms. Allocated memory is still 65.0 MB. Free memory was 34.8 MB in the beginning and 32.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:50,793 INFO L168 Benchmark]: RCFGBuilder took 2494.34 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 32.6 MB in the beginning and 61.3 MB in the end (delta: -28.7 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:50,793 INFO L168 Benchmark]: TraceAbstraction took 3653.84 ms. Allocated memory is still 86.0 MB. Free memory was 60.9 MB in the beginning and 31.8 MB in the end (delta: 29.1 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:50,793 INFO L168 Benchmark]: Witness Printer took 147.58 ms. Allocated memory is still 86.0 MB. Free memory was 31.8 MB in the beginning and 25.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:50,799 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 65.0 MB. Free memory is still 47.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 639.58 ms. Allocated memory is still 65.0 MB. Free memory was 44.4 MB in the beginning and 38.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.79 ms. Allocated memory is still 65.0 MB. Free memory was 38.0 MB in the beginning and 34.8 MB in the end (delta: 3.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.99 ms. Allocated memory is still 65.0 MB. Free memory was 34.8 MB in the beginning and 32.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2494.34 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 32.6 MB in the beginning and 61.3 MB in the end (delta: -28.7 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3653.84 ms. Allocated memory is still 86.0 MB. Free memory was 60.9 MB in the beginning and 31.8 MB in the end (delta: 29.1 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. * Witness Printer took 147.58 ms. Allocated memory is still 86.0 MB. Free memory was 31.8 MB in the beginning and 25.5 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: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 82 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 328 SDtfs, 331 SDslu, 300 SDs, 0 SdLazy, 41 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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=82occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 155 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1023 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 31 FomulaSimplificationsInter, 170 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s 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...