./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.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_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/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 f7c7db9989bf214b2258caa5c05380b7759170fd ............................................................................................................................................ 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_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/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 f7c7db9989bf214b2258caa5c05380b7759170fd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:57:46,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:57:46,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:57:46,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:57:46,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:57:46,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:57:46,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:57:46,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:57:46,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:57:46,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:57:46,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:57:46,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:57:46,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:57:46,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:57:46,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:57:46,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:57:46,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:57:46,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:57:46,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:57:46,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:57:46,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:57:46,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:57:46,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:57:46,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:57:46,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:57:46,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:57:46,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:57:46,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:57:46,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:57:46,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:57:46,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:57:46,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:57:46,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:57:46,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:57:46,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:57:46,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:57:46,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:57:46,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:57:46,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:57:46,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:57:46,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:57:46,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:57:46,303 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:57:46,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:57:46,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:57:46,305 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:57:46,305 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:57:46,305 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:57:46,306 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:57:46,306 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:57:46,306 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:57:46,307 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:57:46,307 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:57:46,307 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:57:46,308 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:57:46,308 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:57:46,308 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:57:46,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:57:46,309 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:57:46,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:57:46,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:57:46,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:57:46,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:57:46,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:57:46,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:57:46,311 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:57:46,311 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:57:46,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:57:46,312 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:57:46,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:57:46,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:57:46,313 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:57:46,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:57:46,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:57:46,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:57:46,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:57:46,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:57:46,314 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:57:46,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:57:46,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:57:46,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:57:46,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:57:46,316 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_aed46544-7a06-40c4-beb1-8f0c8807ec03/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7c7db9989bf214b2258caa5c05380b7759170fd [2020-11-22 12:57:46,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:57:46,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:57:46,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:57:46,577 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:57:46,578 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:57:46,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2020-11-22 12:57:46,666 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/data/fbd525dd6/0e70555b11e24b50815e5c8183ccfa6a/FLAG27f6efc5f [2020-11-22 12:57:47,190 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:57:47,190 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2020-11-22 12:57:47,222 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/data/fbd525dd6/0e70555b11e24b50815e5c8183ccfa6a/FLAG27f6efc5f [2020-11-22 12:57:47,477 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/data/fbd525dd6/0e70555b11e24b50815e5c8183ccfa6a [2020-11-22 12:57:47,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:57:47,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:57:47,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:57:47,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:57:47,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:57:47,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:57:47" (1/1) ... [2020-11-22 12:57:47,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33bd5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:47, skipping insertion in model container [2020-11-22 12:57:47,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:57:47" (1/1) ... [2020-11-22 12:57:47,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:57:47,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:57:47,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:57:47,869 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-22 12:57:47,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f10cb42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:47, skipping insertion in model container [2020-11-22 12:57:47,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:57:47,871 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:57:47,873 INFO L168 Benchmark]: Toolchain (without parser) took 391.07 ms. Allocated memory is still 86.0 MB. Free memory was 54.3 MB in the beginning and 61.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:47,874 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 86.0 MB. Free memory was 43.0 MB in the beginning and 43.0 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:57:47,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.35 ms. Allocated memory is still 86.0 MB. Free memory was 54.1 MB in the beginning and 61.3 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:47,877 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 86.0 MB. Free memory was 43.0 MB in the beginning and 43.0 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 388.35 ms. Allocated memory is still 86.0 MB. Free memory was 54.1 MB in the beginning and 61.3 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 70]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:57:50,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:57:50,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:57:50,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:57:50,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:57:50,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:57:50,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:57:50,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:57:50,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:57:50,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:57:50,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:57:50,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:57:50,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:57:50,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:57:50,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:57:50,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:57:50,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:57:50,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:57:50,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:57:50,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:57:50,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:57:50,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:57:50,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:57:50,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:57:50,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:57:50,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:57:50,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:57:50,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:57:50,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:57:50,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:57:50,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:57:50,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:57:50,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:57:50,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:57:50,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:57:50,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:57:50,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:57:50,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:57:50,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:57:50,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:57:50,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:57:50,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:57:50,242 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:57:50,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:57:50,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:57:50,245 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:57:50,245 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:57:50,245 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:57:50,245 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:57:50,246 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:57:50,246 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:57:50,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:57:50,248 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:57:50,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:57:50,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:57:50,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:57:50,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:57:50,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:57:50,250 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:57:50,250 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:57:50,250 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:57:50,250 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:57:50,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:57:50,251 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:57:50,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:57:50,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:57:50,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:57:50,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:57:50,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:57:50,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:57:50,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:57:50,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:57:50,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:57:50,263 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:57:50,263 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:57:50,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:57:50,263 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:57:50,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:57:50,264 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_aed46544-7a06-40c4-beb1-8f0c8807ec03/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7c7db9989bf214b2258caa5c05380b7759170fd [2020-11-22 12:57:50,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:57:50,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:57:50,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:57:50,650 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:57:50,650 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:57:50,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2020-11-22 12:57:50,722 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/data/c364e07ae/6fd83e78855443b7a703ddba17d9f118/FLAG2ecdc2529 [2020-11-22 12:57:51,277 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:57:51,280 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2020-11-22 12:57:51,296 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/data/c364e07ae/6fd83e78855443b7a703ddba17d9f118/FLAG2ecdc2529 [2020-11-22 12:57:51,542 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/data/c364e07ae/6fd83e78855443b7a703ddba17d9f118 [2020-11-22 12:57:51,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:57:51,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:57:51,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:57:51,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:57:51,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:57:51,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:57:51" (1/1) ... [2020-11-22 12:57:51,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a07540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:51, skipping insertion in model container [2020-11-22 12:57:51,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:57:51" (1/1) ... [2020-11-22 12:57:51,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:57:51,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:57:51,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:57:51,999 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:57:52,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:57:52,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:57:52,084 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:57:52,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:57:52,233 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:57:52,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:52 WrapperNode [2020-11-22 12:57:52,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:57:52,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:57:52,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:57:52,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:57:52,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:52" (1/1) ... [2020-11-22 12:57:52,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:52" (1/1) ... [2020-11-22 12:57:52,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:57:52,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:57:52,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:57:52,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:57:52,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:52" (1/1) ... [2020-11-22 12:57:52,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:52" (1/1) ... [2020-11-22 12:57:52,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:52" (1/1) ... [2020-11-22 12:57:52,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:52" (1/1) ... [2020-11-22 12:57:52,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:52" (1/1) ... [2020-11-22 12:57:52,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:52" (1/1) ... [2020-11-22 12:57:52,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:52" (1/1) ... [2020-11-22 12:57:52,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:57:52,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:57:52,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:57:52,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:57:52,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:57:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:57:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:57:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:57:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:57:54,907 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:57:54,908 INFO L298 CfgBuilder]: Removed 164 assume(true) statements. [2020-11-22 12:57:54,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:57:54 BoogieIcfgContainer [2020-11-22 12:57:54,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:57:54,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:57:54,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:57:54,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:57:54,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:57:51" (1/3) ... [2020-11-22 12:57:54,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f73d1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:57:54, skipping insertion in model container [2020-11-22 12:57:54,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:52" (2/3) ... [2020-11-22 12:57:54,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f73d1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:57:54, skipping insertion in model container [2020-11-22 12:57:54,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:57:54" (3/3) ... [2020-11-22 12:57:54,923 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product21.cil.c [2020-11-22 12:57:54,938 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:57:54,943 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:57:54,954 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:57:54,991 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:57:54,991 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:57:54,991 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:57:54,991 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:57:54,991 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:57:54,991 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:57:54,992 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:57:54,992 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:57:55,013 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-11-22 12:57:55,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 12:57:55,022 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:55,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:57:55,024 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:55,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:55,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1650685455, now seen corresponding path program 1 times [2020-11-22 12:57:55,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:55,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2034503190] [2020-11-22 12:57:55,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 12:57:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:55,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:57:55,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:55,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:55,327 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:55,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:55,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2034503190] [2020-11-22 12:57:55,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:55,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:57:55,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476203632] [2020-11-22 12:57:55,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:57:55,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:55,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:57:55,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:57:55,368 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-11-22 12:57:55,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:55,425 INFO L93 Difference]: Finished difference Result 214 states and 321 transitions. [2020-11-22 12:57:55,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:57:55,428 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 12:57:55,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:55,441 INFO L225 Difference]: With dead ends: 214 [2020-11-22 12:57:55,442 INFO L226 Difference]: Without dead ends: 105 [2020-11-22 12:57:55,445 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:57:55,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-11-22 12:57:55,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-11-22 12:57:55,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-11-22 12:57:55,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2020-11-22 12:57:55,506 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2020-11-22 12:57:55,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:55,506 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2020-11-22 12:57:55,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:57:55,507 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2020-11-22 12:57:55,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 12:57:55,510 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:55,510 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:57:55,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:57:55,734 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:55,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:55,735 INFO L82 PathProgramCache]: Analyzing trace with hash -234581629, now seen corresponding path program 1 times [2020-11-22 12:57:55,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:55,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [7779277] [2020-11-22 12:57:55,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 12:57:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:55,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:57:55,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:55,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:55,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:55,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:55,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [7779277] [2020-11-22 12:57:55,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:55,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:57:55,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11564937] [2020-11-22 12:57:55,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:57:55,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:55,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:57:55,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:57:55,973 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand 4 states. [2020-11-22 12:57:55,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:55,987 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2020-11-22 12:57:55,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:57:55,988 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 12:57:55,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:55,988 INFO L225 Difference]: With dead ends: 105 [2020-11-22 12:57:55,989 INFO L226 Difference]: Without dead ends: 45 [2020-11-22 12:57:55,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:57:55,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-11-22 12:57:55,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-11-22 12:57:55,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-11-22 12:57:55,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-11-22 12:57:55,995 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2020-11-22 12:57:55,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:55,995 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-11-22 12:57:55,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:57:55,996 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-11-22 12:57:55,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:57:55,997 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:55,997 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:57:56,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:57:56,214 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:56,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:56,214 INFO L82 PathProgramCache]: Analyzing trace with hash -2132184394, now seen corresponding path program 1 times [2020-11-22 12:57:56,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:56,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1948930414] [2020-11-22 12:57:56,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 12:57:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:56,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:57:56,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:56,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:56,488 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:56,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:56,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1948930414] [2020-11-22 12:57:56,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:56,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:57:56,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084116772] [2020-11-22 12:57:56,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:57:56,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:56,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:57:56,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:57:56,513 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 4 states. [2020-11-22 12:57:56,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:56,538 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2020-11-22 12:57:56,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:57:56,539 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 12:57:56,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:56,540 INFO L225 Difference]: With dead ends: 83 [2020-11-22 12:57:56,542 INFO L226 Difference]: Without dead ends: 45 [2020-11-22 12:57:56,543 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:57:56,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-11-22 12:57:56,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-11-22 12:57:56,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-11-22 12:57:56,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2020-11-22 12:57:56,553 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2020-11-22 12:57:56,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:56,553 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2020-11-22 12:57:56,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:57:56,554 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2020-11-22 12:57:56,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 12:57:56,555 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:56,556 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:57:56,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:57:56,783 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:56,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:56,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1437786744, now seen corresponding path program 1 times [2020-11-22 12:57:56,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:56,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1972758817] [2020-11-22 12:57:56,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 12:57:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:56,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:57:56,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:57,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:57,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:57,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:57,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1972758817] [2020-11-22 12:57:57,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:57,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 12:57:57,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875394051] [2020-11-22 12:57:57,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:57:57,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:57,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:57:57,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:57:57,020 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2020-11-22 12:57:57,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:57,160 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2020-11-22 12:57:57,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 12:57:57,161 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-22 12:57:57,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:57,162 INFO L225 Difference]: With dead ends: 207 [2020-11-22 12:57:57,162 INFO L226 Difference]: Without dead ends: 169 [2020-11-22 12:57:57,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:57:57,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-11-22 12:57:57,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2020-11-22 12:57:57,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-11-22 12:57:57,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2020-11-22 12:57:57,182 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2020-11-22 12:57:57,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:57,183 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2020-11-22 12:57:57,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:57:57,183 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2020-11-22 12:57:57,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-22 12:57:57,185 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:57,185 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, 1] [2020-11-22 12:57:57,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:57:57,401 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:57,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:57,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1841086480, now seen corresponding path program 1 times [2020-11-22 12:57:57,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:57,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178345853] [2020-11-22 12:57:57,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-22 12:57:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:57,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:57:57,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:57,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:57,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:57,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:57,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [178345853] [2020-11-22 12:57:57,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:57,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 12:57:57,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313339704] [2020-11-22 12:57:57,635 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:57:57,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:57,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:57:57,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:57:57,636 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand 5 states. [2020-11-22 12:57:57,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:57,733 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2020-11-22 12:57:57,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:57:57,734 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-22 12:57:57,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:57,735 INFO L225 Difference]: With dead ends: 176 [2020-11-22 12:57:57,735 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:57:57,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:57:57,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:57:57,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:57:57,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:57:57,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:57:57,737 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-11-22 12:57:57,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:57,737 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:57:57,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:57:57,737 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:57:57,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:57:57,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:57:57,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:57:58,403 INFO L274 CegarLoopResult]: For program point L861(lines 861 865) no Hoare annotation was computed. [2020-11-22 12:57:58,403 INFO L274 CegarLoopResult]: For program point L861-2(lines 861 865) no Hoare annotation was computed. [2020-11-22 12:57:58,403 INFO L274 CegarLoopResult]: For program point L861-3(lines 861 865) no Hoare annotation was computed. [2020-11-22 12:57:58,403 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:57:58,403 INFO L274 CegarLoopResult]: For program point L861-5(lines 861 865) no Hoare annotation was computed. [2020-11-22 12:57:58,403 INFO L274 CegarLoopResult]: For program point L861-6(lines 861 865) no Hoare annotation was computed. [2020-11-22 12:57:58,403 INFO L274 CegarLoopResult]: For program point L861-8(lines 861 865) no Hoare annotation was computed. [2020-11-22 12:57:58,404 INFO L274 CegarLoopResult]: For program point L861-9(lines 861 865) no Hoare annotation was computed. [2020-11-22 12:57:58,404 INFO L274 CegarLoopResult]: For program point L861-11(lines 861 865) no Hoare annotation was computed. [2020-11-22 12:57:58,404 INFO L274 CegarLoopResult]: For program point L861-12(lines 861 865) no Hoare annotation was computed. [2020-11-22 12:57:58,404 INFO L274 CegarLoopResult]: For program point L432(lines 432 442) no Hoare annotation was computed. [2020-11-22 12:57:58,404 INFO L274 CegarLoopResult]: For program point L861-14(lines 861 865) no Hoare annotation was computed. [2020-11-22 12:57:58,404 INFO L274 CegarLoopResult]: For program point L432-2(lines 432 442) no Hoare annotation was computed. [2020-11-22 12:57:58,404 INFO L274 CegarLoopResult]: For program point L861-15(lines 861 865) no Hoare annotation was computed. [2020-11-22 12:57:58,404 INFO L274 CegarLoopResult]: For program point L861-17(lines 861 865) no Hoare annotation was computed. [2020-11-22 12:57:58,404 INFO L274 CegarLoopResult]: For program point L432-4(lines 432 442) no Hoare annotation was computed. [2020-11-22 12:57:58,405 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:57:58,405 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:57:58,405 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 12:57:58,405 INFO L270 CegarLoopResult]: At program point L928(lines 881 929) the Hoare annotation is: false [2020-11-22 12:57:58,405 INFO L274 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2020-11-22 12:57:58,405 INFO L274 CegarLoopResult]: For program point L763-1(lines 763 771) no Hoare annotation was computed. [2020-11-22 12:57:58,405 INFO L274 CegarLoopResult]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2020-11-22 12:57:58,406 INFO L274 CegarLoopResult]: For program point L565(lines 565 569) no Hoare annotation was computed. [2020-11-22 12:57:58,406 INFO L274 CegarLoopResult]: For program point L565-3(lines 565 569) no Hoare annotation was computed. [2020-11-22 12:57:58,406 INFO L274 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2020-11-22 12:57:58,406 INFO L274 CegarLoopResult]: For program point L433(lines 433 439) no Hoare annotation was computed. [2020-11-22 12:57:58,406 INFO L274 CegarLoopResult]: For program point L466-1(lines 701 707) no Hoare annotation was computed. [2020-11-22 12:57:58,406 INFO L274 CegarLoopResult]: For program point L433-2(lines 433 439) no Hoare annotation was computed. [2020-11-22 12:57:58,406 INFO L274 CegarLoopResult]: For program point L565-6(lines 565 569) no Hoare annotation was computed. [2020-11-22 12:57:58,406 INFO L274 CegarLoopResult]: For program point L433-4(lines 433 439) no Hoare annotation was computed. [2020-11-22 12:57:58,406 INFO L274 CegarLoopResult]: For program point L733(lines 733 750) no Hoare annotation was computed. [2020-11-22 12:57:58,407 INFO L274 CegarLoopResult]: For program point L733-1(lines 733 750) no Hoare annotation was computed. [2020-11-22 12:57:58,407 INFO L274 CegarLoopResult]: For program point L733-2(lines 733 750) no Hoare annotation was computed. [2020-11-22 12:57:58,407 INFO L274 CegarLoopResult]: For program point L733-3(lines 733 750) no Hoare annotation was computed. [2020-11-22 12:57:58,407 INFO L274 CegarLoopResult]: For program point L733-4(lines 733 750) no Hoare annotation was computed. [2020-11-22 12:57:58,407 INFO L274 CegarLoopResult]: For program point L733-5(lines 733 750) no Hoare annotation was computed. [2020-11-22 12:57:58,407 INFO L270 CegarLoopResult]: At program point L701(lines 700 719) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:57:58,407 INFO L274 CegarLoopResult]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2020-11-22 12:57:58,407 INFO L270 CegarLoopResult]: At program point L701-2(lines 700 719) the Hoare annotation is: false [2020-11-22 12:57:58,408 INFO L270 CegarLoopResult]: At program point L602(lines 597 605) the Hoare annotation is: false [2020-11-22 12:57:58,408 INFO L270 CegarLoopResult]: At program point L701-3(lines 700 719) the Hoare annotation is: false [2020-11-22 12:57:58,408 INFO L270 CegarLoopResult]: At program point L602-1(lines 597 605) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:57:58,408 INFO L270 CegarLoopResult]: At program point L602-2(lines 597 605) the Hoare annotation is: false [2020-11-22 12:57:58,408 INFO L270 CegarLoopResult]: At program point L602-3(lines 597 605) the Hoare annotation is: false [2020-11-22 12:57:58,408 INFO L270 CegarLoopResult]: At program point L602-4(lines 597 605) the Hoare annotation is: false [2020-11-22 12:57:58,408 INFO L270 CegarLoopResult]: At program point L602-5(lines 597 605) the Hoare annotation is: false [2020-11-22 12:57:58,408 INFO L270 CegarLoopResult]: At program point L867(lines 852 870) the Hoare annotation is: false [2020-11-22 12:57:58,409 INFO L270 CegarLoopResult]: At program point L867-1(lines 852 870) the Hoare annotation is: false [2020-11-22 12:57:58,409 INFO L270 CegarLoopResult]: At program point L867-2(lines 852 870) the Hoare annotation is: false [2020-11-22 12:57:58,409 INFO L270 CegarLoopResult]: At program point L867-3(lines 852 870) the Hoare annotation is: false [2020-11-22 12:57:58,409 INFO L270 CegarLoopResult]: At program point L867-4(lines 852 870) the Hoare annotation is: false [2020-11-22 12:57:58,409 INFO L270 CegarLoopResult]: At program point L867-5(lines 852 870) the Hoare annotation is: false [2020-11-22 12:57:58,409 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:57:58,409 INFO L274 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2020-11-22 12:57:58,411 INFO L270 CegarLoopResult]: At program point L902-1(lines 902 908) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:57:58,411 INFO L270 CegarLoopResult]: At program point L803(lines 796 806) the Hoare annotation is: false [2020-11-22 12:57:58,411 INFO L270 CegarLoopResult]: At program point L803-1(lines 796 806) the Hoare annotation is: false [2020-11-22 12:57:58,412 INFO L274 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2020-11-22 12:57:58,412 INFO L270 CegarLoopResult]: At program point L803-2(lines 796 806) the Hoare annotation is: false [2020-11-22 12:57:58,412 INFO L274 CegarLoopResult]: For program point L737-1(lines 737 745) no Hoare annotation was computed. [2020-11-22 12:57:58,412 INFO L274 CegarLoopResult]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2020-11-22 12:57:58,412 INFO L274 CegarLoopResult]: For program point L737-3(lines 737 745) no Hoare annotation was computed. [2020-11-22 12:57:58,412 INFO L274 CegarLoopResult]: For program point L737-4(lines 737 745) no Hoare annotation was computed. [2020-11-22 12:57:58,413 INFO L274 CegarLoopResult]: For program point L737-5(lines 737 745) no Hoare annotation was computed. [2020-11-22 12:57:58,413 INFO L274 CegarLoopResult]: For program point L541(lines 541 548) no Hoare annotation was computed. [2020-11-22 12:57:58,413 INFO L277 CegarLoopResult]: At program point L541-1(lines 541 548) the Hoare annotation is: true [2020-11-22 12:57:58,413 INFO L270 CegarLoopResult]: At program point L708(lines 708 714) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:57:58,413 INFO L270 CegarLoopResult]: At program point L708-1(lines 708 714) the Hoare annotation is: false [2020-11-22 12:57:58,413 INFO L270 CegarLoopResult]: At program point L708-2(lines 708 714) the Hoare annotation is: false [2020-11-22 12:57:58,414 INFO L270 CegarLoopResult]: At program point L643(lines 638 646) the Hoare annotation is: false [2020-11-22 12:57:58,414 INFO L270 CegarLoopResult]: At program point L643-1(lines 638 646) the Hoare annotation is: false [2020-11-22 12:57:58,414 INFO L274 CegarLoopResult]: For program point L577(lines 577 581) no Hoare annotation was computed. [2020-11-22 12:57:58,414 INFO L270 CegarLoopResult]: At program point L643-2(lines 638 646) the Hoare annotation is: false [2020-11-22 12:57:58,414 INFO L270 CegarLoopResult]: At program point L643-3(lines 638 646) the Hoare annotation is: false [2020-11-22 12:57:58,414 INFO L270 CegarLoopResult]: At program point L643-4(lines 638 646) the Hoare annotation is: false [2020-11-22 12:57:58,414 INFO L270 CegarLoopResult]: At program point L643-5(lines 638 646) the Hoare annotation is: false [2020-11-22 12:57:58,415 INFO L270 CegarLoopResult]: At program point L513(lines 509 515) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:57:58,415 INFO L270 CegarLoopResult]: At program point L679(lines 1 935) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:57:58,415 INFO L270 CegarLoopResult]: At program point L812(lines 807 815) 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))) [2020-11-22 12:57:58,415 INFO L270 CegarLoopResult]: At program point L812-1(lines 807 815) the Hoare annotation is: false [2020-11-22 12:57:58,415 INFO L270 CegarLoopResult]: At program point L812-2(lines 807 815) the Hoare annotation is: false [2020-11-22 12:57:58,415 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:57:58,415 INFO L274 CegarLoopResult]: For program point L912(lines 912 923) no Hoare annotation was computed. [2020-11-22 12:57:58,415 INFO L270 CegarLoopResult]: At program point L417(lines 412 419) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:57:58,416 INFO L277 CegarLoopResult]: At program point L550(lines 531 553) the Hoare annotation is: true [2020-11-22 12:57:58,416 INFO L274 CegarLoopResult]: For program point L883(lines 882 927) no Hoare annotation was computed. [2020-11-22 12:57:58,416 INFO L274 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-11-22 12:57:58,416 INFO L274 CegarLoopResult]: For program point L652-1(line 652) no Hoare annotation was computed. [2020-11-22 12:57:58,416 INFO L274 CegarLoopResult]: For program point L652-2(line 652) no Hoare annotation was computed. [2020-11-22 12:57:58,416 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:57:58,416 INFO L274 CegarLoopResult]: For program point L884(lines 884 888) no Hoare annotation was computed. [2020-11-22 12:57:58,416 INFO L274 CegarLoopResult]: For program point L918(lines 918 922) no Hoare annotation was computed. [2020-11-22 12:57:58,416 INFO L274 CegarLoopResult]: For program point L918-2(lines 701 707) no Hoare annotation was computed. [2020-11-22 12:57:58,417 INFO L270 CegarLoopResult]: At program point L687(lines 682 690) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:57:58,417 INFO L274 CegarLoopResult]: For program point L589(lines 589 593) no Hoare annotation was computed. [2020-11-22 12:57:58,417 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:57:58,417 INFO L274 CegarLoopResult]: For program point L428(lines 428 445) no Hoare annotation was computed. [2020-11-22 12:57:58,417 INFO L270 CegarLoopResult]: At program point L428-1(lines 1 935) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:57:58,417 INFO L274 CegarLoopResult]: For program point L428-2(lines 428 445) no Hoare annotation was computed. [2020-11-22 12:57:58,420 INFO L270 CegarLoopResult]: At program point L428-3(lines 1 935) the Hoare annotation is: false [2020-11-22 12:57:58,420 INFO L274 CegarLoopResult]: For program point L428-4(lines 428 445) no Hoare annotation was computed. [2020-11-22 12:57:58,420 INFO L270 CegarLoopResult]: At program point L428-5(lines 1 935) the Hoare annotation is: false [2020-11-22 12:57:58,420 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:57:58,420 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:57:58,421 INFO L274 CegarLoopResult]: For program point L759(lines 759 776) no Hoare annotation was computed. [2020-11-22 12:57:58,421 INFO L274 CegarLoopResult]: For program point L759-1(lines 759 776) no Hoare annotation was computed. [2020-11-22 12:57:58,421 INFO L274 CegarLoopResult]: For program point L759-2(lines 759 776) no Hoare annotation was computed. [2020-11-22 12:57:58,421 INFO L270 CegarLoopResult]: At program point L462-2(lines 462 476) the Hoare annotation is: false [2020-11-22 12:57:58,422 INFO L274 CegarLoopResult]: For program point L892(lines 892 898) no Hoare annotation was computed. [2020-11-22 12:57:58,422 INFO L270 CegarLoopResult]: At program point L892-1(lines 892 898) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:57:58,422 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-11-22 12:57:58,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:57:58 BoogieIcfgContainer [2020-11-22 12:57:58,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:57:58,455 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:57:58,456 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:57:58,456 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:57:58,456 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:57:54" (3/4) ... [2020-11-22 12:57:58,459 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:57:58,488 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 12:57:58,489 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 12:57:58,490 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 12:57:58,491 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 12:57:58,492 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:57:58,494 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:57:58,495 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:57:58,521 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 12:57:58,624 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_aed46544-7a06-40c4-beb1-8f0c8807ec03/bin/utaipan/witness.graphml [2020-11-22 12:57:58,624 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:57:58,626 INFO L168 Benchmark]: Toolchain (without parser) took 7077.18 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 40.1 MB in the beginning and 25.3 MB in the end (delta: 14.8 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:58,627 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 60.8 MB. Free memory was 42.3 MB in the beginning and 42.3 MB in the end (delta: 44.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:57:58,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.16 ms. Allocated memory is still 60.8 MB. Free memory was 39.8 MB in the beginning and 25.7 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:58,628 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.59 ms. Allocated memory is still 60.8 MB. Free memory was 25.7 MB in the beginning and 41.7 MB in the end (delta: -16.0 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:58,629 INFO L168 Benchmark]: Boogie Preprocessor took 85.21 ms. Allocated memory is still 60.8 MB. Free memory was 41.7 MB in the beginning and 38.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:58,629 INFO L168 Benchmark]: RCFGBuilder took 2474.41 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 38.9 MB in the beginning and 28.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:58,630 INFO L168 Benchmark]: TraceAbstraction took 3538.20 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 53.0 MB in the beginning and 34.5 MB in the end (delta: 18.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:58,630 INFO L168 Benchmark]: Witness Printer took 168.86 ms. Allocated memory is still 88.1 MB. Free memory was 34.5 MB in the beginning and 25.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:58,633 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 60.8 MB. Free memory was 42.3 MB in the beginning and 42.3 MB in the end (delta: 44.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 683.16 ms. Allocated memory is still 60.8 MB. Free memory was 39.8 MB in the beginning and 25.7 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 114.59 ms. Allocated memory is still 60.8 MB. Free memory was 25.7 MB in the beginning and 41.7 MB in the end (delta: -16.0 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.21 ms. Allocated memory is still 60.8 MB. Free memory was 41.7 MB in the beginning and 38.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2474.41 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 38.9 MB in the beginning and 28.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3538.20 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 53.0 MB in the beginning and 34.5 MB in the end (delta: 18.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 16.1 GB. * Witness Printer took 168.86 ms. Allocated memory is still 88.1 MB. Free memory was 34.5 MB in the beginning and 25.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 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: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 429 SDtfs, 437 SDslu, 369 SDs, 0 SdLazy, 62 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred 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, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 78 NumberOfFragments, 167 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1238 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 43 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 10538 SizeOfPredicates, 8 NumberOfNonLiveVariables, 990 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...