./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eee003d188141d192a4a75bb282a26c7c76ed342 ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eee003d188141d192a4a75bb282a26c7c76ed342 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 19:09:32,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:09:32,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:09:32,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:09:32,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:09:32,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:09:32,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:09:32,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:09:32,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:09:32,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:09:32,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:09:32,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:09:32,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:09:32,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:09:32,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:09:32,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:09:32,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:09:32,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:09:32,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:09:32,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:09:32,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:09:32,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:09:32,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:09:32,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:09:32,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:09:32,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:09:32,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:09:32,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:09:32,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:09:32,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:09:32,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:09:32,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:09:32,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:09:32,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:09:32,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:09:32,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:09:32,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:09:32,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:09:32,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:09:32,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:09:32,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:09:32,299 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 19:09:32,309 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:09:32,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:09:32,309 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:09:32,310 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:09:32,310 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:09:32,310 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:09:32,310 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 19:09:32,310 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:09:32,310 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:09:32,310 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 19:09:32,310 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 19:09:32,311 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:09:32,311 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 19:09:32,311 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 19:09:32,311 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 19:09:32,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:09:32,312 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:09:32,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 19:09:32,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:09:32,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:09:32,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:09:32,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:09:32,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:09:32,313 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:09:32,313 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:09:32,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:09:32,313 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:09:32,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:09:32,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:09:32,313 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:09:32,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:09:32,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:09:32,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:09:32,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:09:32,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:09:32,314 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 19:09:32,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 19:09:32,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:09:32,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:09:32,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:09:32,315 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eee003d188141d192a4a75bb282a26c7c76ed342 [2019-12-07 19:09:32,419 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:09:32,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:09:32,429 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:09:32,430 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:09:32,430 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:09:32,430 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2019-12-07 19:09:32,469 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/data/40fbfd4fc/e3ba0e34e86443c391c33a46905b14d5/FLAGf87d546f0 [2019-12-07 19:09:32,974 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:09:32,974 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2019-12-07 19:09:32,984 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/data/40fbfd4fc/e3ba0e34e86443c391c33a46905b14d5/FLAGf87d546f0 [2019-12-07 19:09:32,996 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/data/40fbfd4fc/e3ba0e34e86443c391c33a46905b14d5 [2019-12-07 19:09:32,999 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:09:33,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:09:33,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:09:33,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:09:33,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:09:33,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:09:32" (1/1) ... [2019-12-07 19:09:33,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c57686f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:33, skipping insertion in model container [2019-12-07 19:09:33,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:09:32" (1/1) ... [2019-12-07 19:09:33,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:09:33,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:09:33,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:09:33,249 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 19:09:33,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2df777b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:33, skipping insertion in model container [2019-12-07 19:09:33,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:09:33,250 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 19:09:33,252 INFO L168 Benchmark]: Toolchain (without parser) took 251.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -143.9 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-12-07 19:09:33,252 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 964.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:09:33,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -143.9 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-12-07 19:09:33,254 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 964.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 249.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -143.9 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 546]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 19:09:34,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:09:34,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:09:34,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:09:34,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:09:34,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:09:34,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:09:34,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:09:34,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:09:34,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:09:34,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:09:34,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:09:34,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:09:34,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:09:34,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:09:34,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:09:34,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:09:34,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:09:34,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:09:34,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:09:34,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:09:34,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:09:34,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:09:34,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:09:34,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:09:34,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:09:34,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:09:34,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:09:34,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:09:34,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:09:34,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:09:34,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:09:34,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:09:34,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:09:34,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:09:34,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:09:34,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:09:34,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:09:34,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:09:34,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:09:34,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:09:34,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 19:09:34,488 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:09:34,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:09:34,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:09:34,488 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:09:34,489 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:09:34,489 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:09:34,489 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:09:34,489 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:09:34,489 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:09:34,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:09:34,490 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:09:34,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:09:34,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:09:34,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:09:34,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:09:34,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:09:34,490 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:09:34,491 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 19:09:34,491 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 19:09:34,491 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:09:34,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:09:34,491 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:09:34,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:09:34,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:09:34,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 19:09:34,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:09:34,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:09:34,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:09:34,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:09:34,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:09:34,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:09:34,492 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 19:09:34,492 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 19:09:34,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:09:34,493 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:09:34,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:09:34,493 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eee003d188141d192a4a75bb282a26c7c76ed342 [2019-12-07 19:09:34,662 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:09:34,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:09:34,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:09:34,674 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:09:34,675 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:09:34,675 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2019-12-07 19:09:34,714 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/data/6feea4d0e/2af858536af34d909d29c755019640c6/FLAG9b652c6e0 [2019-12-07 19:09:35,149 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:09:35,150 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2019-12-07 19:09:35,158 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/data/6feea4d0e/2af858536af34d909d29c755019640c6/FLAG9b652c6e0 [2019-12-07 19:09:35,502 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/data/6feea4d0e/2af858536af34d909d29c755019640c6 [2019-12-07 19:09:35,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:09:35,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:09:35,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:09:35,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:09:35,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:09:35,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:09:35" (1/1) ... [2019-12-07 19:09:35,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:35, skipping insertion in model container [2019-12-07 19:09:35,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:09:35" (1/1) ... [2019-12-07 19:09:35,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:09:35,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:09:35,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:09:35,768 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 19:09:35,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:09:35,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:09:35,814 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:09:35,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:09:35,872 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:09:35,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:35 WrapperNode [2019-12-07 19:09:35,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:09:35,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:09:35,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:09:35,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:09:35,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:35" (1/1) ... [2019-12-07 19:09:35,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:35" (1/1) ... [2019-12-07 19:09:35,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:09:35,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:09:35,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:09:35,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:09:35,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:35" (1/1) ... [2019-12-07 19:09:35,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:35" (1/1) ... [2019-12-07 19:09:35,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:35" (1/1) ... [2019-12-07 19:09:35,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:35" (1/1) ... [2019-12-07 19:09:35,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:35" (1/1) ... [2019-12-07 19:09:35,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:35" (1/1) ... [2019-12-07 19:09:35,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:35" (1/1) ... [2019-12-07 19:09:35,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:09:35,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:09:35,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:09:35,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:09:35,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:09:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:09:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 19:09:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:09:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:09:36,435 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:09:36,435 INFO L287 CfgBuilder]: Removed 100 assume(true) statements. [2019-12-07 19:09:36,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:09:36 BoogieIcfgContainer [2019-12-07 19:09:36,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:09:36,437 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:09:36,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:09:36,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:09:36,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:09:35" (1/3) ... [2019-12-07 19:09:36,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@485563fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:09:36, skipping insertion in model container [2019-12-07 19:09:36,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:09:35" (2/3) ... [2019-12-07 19:09:36,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@485563fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:09:36, skipping insertion in model container [2019-12-07 19:09:36,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:09:36" (3/3) ... [2019-12-07 19:09:36,441 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product07.cil.c [2019-12-07 19:09:36,448 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:09:36,453 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 19:09:36,461 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 19:09:36,476 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:09:36,477 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:09:36,477 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:09:36,477 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:09:36,477 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:09:36,477 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:09:36,477 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:09:36,477 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:09:36,488 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-12-07 19:09:36,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 19:09:36,492 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:09:36,493 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:09:36,493 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:09:36,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:09:36,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1114813757, now seen corresponding path program 1 times [2019-12-07 19:09:36,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:09:36,505 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [960711449] [2019-12-07 19:09:36,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 19:09:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:09:36,656 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 19:09:36,660 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:09:36,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:09:36,670 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:09:36,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:09:36,674 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [960711449] [2019-12-07 19:09:36,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:09:36,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 19:09:36,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886013662] [2019-12-07 19:09:36,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:09:36,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:09:36,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:09:36,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:09:36,689 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-12-07 19:09:36,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:09:36,706 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2019-12-07 19:09:36,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:09:36,707 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 19:09:36,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:09:36,715 INFO L225 Difference]: With dead ends: 136 [2019-12-07 19:09:36,715 INFO L226 Difference]: Without dead ends: 67 [2019-12-07 19:09:36,717 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:09:36,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-12-07 19:09:36,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-12-07 19:09:36,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-12-07 19:09:36,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2019-12-07 19:09:36,745 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2019-12-07 19:09:36,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:09:36,745 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2019-12-07 19:09:36,745 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:09:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-12-07 19:09:36,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 19:09:36,746 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:09:36,746 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:09:36,947 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 19:09:36,948 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:09:36,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:09:36,949 INFO L82 PathProgramCache]: Analyzing trace with hash 2133396642, now seen corresponding path program 1 times [2019-12-07 19:09:36,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:09:36,951 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1728461097] [2019-12-07 19:09:36,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 19:09:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:09:37,182 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:09:37,183 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:09:37,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:09:37,197 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:09:37,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:09:37,204 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1728461097] [2019-12-07 19:09:37,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:09:37,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 19:09:37,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606531391] [2019-12-07 19:09:37,206 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:09:37,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:09:37,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:09:37,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:09:37,207 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 4 states. [2019-12-07 19:09:37,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:09:37,216 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2019-12-07 19:09:37,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:09:37,216 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 19:09:37,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:09:37,217 INFO L225 Difference]: With dead ends: 67 [2019-12-07 19:09:37,217 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 19:09:37,218 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:09:37,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 19:09:37,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 19:09:37,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 19:09:37,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-12-07 19:09:37,221 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-12-07 19:09:37,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:09:37,222 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-12-07 19:09:37,222 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:09:37,222 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-07 19:09:37,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 19:09:37,222 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:09:37,222 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:09:37,423 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 19:09:37,424 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:09:37,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:09:37,425 INFO L82 PathProgramCache]: Analyzing trace with hash 719253894, now seen corresponding path program 1 times [2019-12-07 19:09:37,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:09:37,427 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [389963127] [2019-12-07 19:09:37,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 19:09:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:09:37,641 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:09:37,643 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:09:37,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:09:37,653 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:09:37,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:09:37,660 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [389963127] [2019-12-07 19:09:37,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:09:37,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 19:09:37,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576317192] [2019-12-07 19:09:37,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:09:37,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:09:37,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:09:37,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:09:37,662 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2019-12-07 19:09:37,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:09:37,681 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2019-12-07 19:09:37,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 19:09:37,681 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 19:09:37,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:09:37,683 INFO L225 Difference]: With dead ends: 110 [2019-12-07 19:09:37,683 INFO L226 Difference]: Without dead ends: 83 [2019-12-07 19:09:37,684 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:09:37,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-12-07 19:09:37,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2019-12-07 19:09:37,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-07 19:09:37,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2019-12-07 19:09:37,694 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2019-12-07 19:09:37,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:09:37,694 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2019-12-07 19:09:37,694 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:09:37,695 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2019-12-07 19:09:37,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 19:09:37,696 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:09:37,696 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:09:37,896 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 19:09:37,896 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:09:37,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:09:37,897 INFO L82 PathProgramCache]: Analyzing trace with hash -842737206, now seen corresponding path program 1 times [2019-12-07 19:09:37,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:09:37,898 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [31776150] [2019-12-07 19:09:37,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 19:09:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:09:38,006 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 19:09:38,008 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:09:38,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:09:38,024 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:09:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:09:38,030 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [31776150] [2019-12-07 19:09:38,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:09:38,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 19:09:38,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968728893] [2019-12-07 19:09:38,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 19:09:38,031 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:09:38,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 19:09:38,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 19:09:38,032 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2019-12-07 19:09:38,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:09:38,119 INFO L93 Difference]: Finished difference Result 237 states and 363 transitions. [2019-12-07 19:09:38,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 19:09:38,120 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-07 19:09:38,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:09:38,121 INFO L225 Difference]: With dead ends: 237 [2019-12-07 19:09:38,122 INFO L226 Difference]: Without dead ends: 191 [2019-12-07 19:09:38,122 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 19:09:38,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-12-07 19:09:38,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 92. [2019-12-07 19:09:38,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-12-07 19:09:38,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 133 transitions. [2019-12-07 19:09:38,138 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 133 transitions. Word has length 23 [2019-12-07 19:09:38,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:09:38,138 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 133 transitions. [2019-12-07 19:09:38,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 19:09:38,139 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2019-12-07 19:09:38,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 19:09:38,140 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:09:38,140 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:09:38,340 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 19:09:38,341 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:09:38,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:09:38,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1110121172, now seen corresponding path program 1 times [2019-12-07 19:09:38,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:09:38,342 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1900260870] [2019-12-07 19:09:38,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 19:09:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:09:38,437 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 19:09:38,439 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:09:38,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:09:38,451 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:09:38,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:09:38,453 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1900260870] [2019-12-07 19:09:38,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:09:38,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 19:09:38,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782188075] [2019-12-07 19:09:38,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 19:09:38,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:09:38,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 19:09:38,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 19:09:38,454 INFO L87 Difference]: Start difference. First operand 92 states and 133 transitions. Second operand 5 states. [2019-12-07 19:09:38,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:09:38,528 INFO L93 Difference]: Finished difference Result 282 states and 419 transitions. [2019-12-07 19:09:38,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 19:09:38,528 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 19:09:38,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:09:38,529 INFO L225 Difference]: With dead ends: 282 [2019-12-07 19:09:38,529 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 19:09:38,530 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 19:09:38,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 19:09:38,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 19:09:38,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 19:09:38,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 19:09:38,530 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-12-07 19:09:38,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:09:38,531 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 19:09:38,531 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 19:09:38,531 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 19:09:38,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 19:09:38,731 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 19:09:38,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 19:09:38,974 INFO L242 CegarLoopResult]: At program point L481(lines 477 483) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:09:38,975 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2019-12-07 19:09:38,975 INFO L246 CegarLoopResult]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-12-07 19:09:38,975 INFO L246 CegarLoopResult]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-12-07 19:09:38,975 INFO L246 CegarLoopResult]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-12-07 19:09:38,975 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 19:09:38,975 INFO L242 CegarLoopResult]: At program point L251(lines 244 254) the Hoare annotation is: false [2019-12-07 19:09:38,975 INFO L242 CegarLoopResult]: At program point L251-1(lines 244 254) the Hoare annotation is: false [2019-12-07 19:09:38,975 INFO L242 CegarLoopResult]: At program point L251-2(lines 244 254) the Hoare annotation is: false [2019-12-07 19:09:38,975 INFO L242 CegarLoopResult]: At program point L433-2(lines 433 447) the Hoare annotation is: false [2019-12-07 19:09:38,975 INFO L246 CegarLoopResult]: For program point L136(lines 136 149) no Hoare annotation was computed. [2019-12-07 19:09:38,976 INFO L242 CegarLoopResult]: At program point L136-1(lines 1 882) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:09:38,976 INFO L246 CegarLoopResult]: For program point L136-2(lines 136 149) no Hoare annotation was computed. [2019-12-07 19:09:38,976 INFO L242 CegarLoopResult]: At program point L136-3(lines 1 882) the Hoare annotation is: false [2019-12-07 19:09:38,976 INFO L246 CegarLoopResult]: For program point L136-4(lines 136 149) no Hoare annotation was computed. [2019-12-07 19:09:38,976 INFO L242 CegarLoopResult]: At program point L136-5(lines 1 882) the Hoare annotation is: false [2019-12-07 19:09:38,976 INFO L242 CegarLoopResult]: At program point L417(lines 412 420) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:09:38,976 INFO L246 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2019-12-07 19:09:38,976 INFO L242 CegarLoopResult]: At program point L89(lines 84 92) the Hoare annotation is: false [2019-12-07 19:09:38,976 INFO L242 CegarLoopResult]: At program point L89-1(lines 84 92) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:09:38,976 INFO L242 CegarLoopResult]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2019-12-07 19:09:38,977 INFO L242 CegarLoopResult]: At program point L89-3(lines 84 92) the Hoare annotation is: false [2019-12-07 19:09:38,977 INFO L242 CegarLoopResult]: At program point L89-4(lines 84 92) the Hoare annotation is: false [2019-12-07 19:09:38,977 INFO L242 CegarLoopResult]: At program point L89-5(lines 84 92) the Hoare annotation is: false [2019-12-07 19:09:38,977 INFO L246 CegarLoopResult]: For program point L337(lines 337 343) no Hoare annotation was computed. [2019-12-07 19:09:38,977 INFO L242 CegarLoopResult]: At program point L337-1(lines 337 343) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:09:38,977 INFO L246 CegarLoopResult]: For program point L304(lines 304 310) no Hoare annotation was computed. [2019-12-07 19:09:38,977 INFO L242 CegarLoopResult]: At program point L304-1(lines 304 310) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:09:38,977 INFO L246 CegarLoopResult]: For program point L437(lines 437 441) no Hoare annotation was computed. [2019-12-07 19:09:38,977 INFO L246 CegarLoopResult]: For program point L437-1(lines 175 181) no Hoare annotation was computed. [2019-12-07 19:09:38,977 INFO L246 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2019-12-07 19:09:38,977 INFO L246 CegarLoopResult]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2019-12-07 19:09:38,978 INFO L246 CegarLoopResult]: For program point L140-4(lines 140 146) no Hoare annotation was computed. [2019-12-07 19:09:38,978 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 19:09:38,978 INFO L246 CegarLoopResult]: For program point L504(lines 504 511) no Hoare annotation was computed. [2019-12-07 19:09:38,978 INFO L249 CegarLoopResult]: At program point L504-1(lines 504 511) the Hoare annotation is: true [2019-12-07 19:09:38,978 INFO L246 CegarLoopResult]: For program point L207(lines 207 224) no Hoare annotation was computed. [2019-12-07 19:09:38,978 INFO L246 CegarLoopResult]: For program point L207-1(lines 207 224) no Hoare annotation was computed. [2019-12-07 19:09:38,978 INFO L246 CegarLoopResult]: For program point L207-2(lines 207 224) no Hoare annotation was computed. [2019-12-07 19:09:38,978 INFO L246 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2019-12-07 19:09:38,978 INFO L246 CegarLoopResult]: For program point L158-1(line 158) no Hoare annotation was computed. [2019-12-07 19:09:38,978 INFO L246 CegarLoopResult]: For program point L158-2(line 158) no Hoare annotation was computed. [2019-12-07 19:09:38,978 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2019-12-07 19:09:38,979 INFO L242 CegarLoopResult]: At program point L175(lines 174 193) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:09:38,979 INFO L246 CegarLoopResult]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2019-12-07 19:09:38,979 INFO L242 CegarLoopResult]: At program point L175-2(lines 174 193) the Hoare annotation is: false [2019-12-07 19:09:38,979 INFO L246 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-12-07 19:09:38,979 INFO L242 CegarLoopResult]: At program point L175-3(lines 174 193) the Hoare annotation is: false [2019-12-07 19:09:38,979 INFO L246 CegarLoopResult]: For program point L357(lines 357 370) no Hoare annotation was computed. [2019-12-07 19:09:38,979 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 19:09:38,979 INFO L242 CegarLoopResult]: At program point L375(lines 326 376) the Hoare annotation is: false [2019-12-07 19:09:38,979 INFO L242 CegarLoopResult]: At program point L260(lines 255 263) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:09:38,979 INFO L242 CegarLoopResult]: At program point L260-1(lines 255 263) the Hoare annotation is: false [2019-12-07 19:09:38,979 INFO L242 CegarLoopResult]: At program point L260-2(lines 255 263) the Hoare annotation is: false [2019-12-07 19:09:38,980 INFO L242 CegarLoopResult]: At program point L409(lines 1 882) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:09:38,980 INFO L246 CegarLoopResult]: For program point L211(lines 211 219) no Hoare annotation was computed. [2019-12-07 19:09:38,980 INFO L246 CegarLoopResult]: For program point L211-1(lines 211 219) no Hoare annotation was computed. [2019-12-07 19:09:38,980 INFO L246 CegarLoopResult]: For program point L211-2(lines 211 219) no Hoare annotation was computed. [2019-12-07 19:09:38,980 INFO L246 CegarLoopResult]: For program point L328(lines 327 374) no Hoare annotation was computed. [2019-12-07 19:09:38,980 INFO L246 CegarLoopResult]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-12-07 19:09:38,980 INFO L246 CegarLoopResult]: For program point L329(lines 329 333) no Hoare annotation was computed. [2019-12-07 19:09:38,980 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 19:09:38,980 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2019-12-07 19:09:38,980 INFO L246 CegarLoopResult]: For program point L363(lines 363 369) no Hoare annotation was computed. [2019-12-07 19:09:38,980 INFO L242 CegarLoopResult]: At program point L363-1(lines 175 181) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:09:38,981 INFO L246 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2019-12-07 19:09:38,981 INFO L242 CegarLoopResult]: At program point L347-1(lines 347 353) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:09:38,981 INFO L242 CegarLoopResult]: At program point L182(lines 182 188) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:09:38,981 INFO L242 CegarLoopResult]: At program point L182-1(lines 182 188) the Hoare annotation is: false [2019-12-07 19:09:38,981 INFO L242 CegarLoopResult]: At program point L182-2(lines 182 188) the Hoare annotation is: false [2019-12-07 19:09:38,981 INFO L249 CegarLoopResult]: At program point L513(lines 494 516) the Hoare annotation is: true [2019-12-07 19:09:38,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:09:38 BoogieIcfgContainer [2019-12-07 19:09:38,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:09:38,995 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:09:38,995 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:09:38,995 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:09:38,995 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:09:36" (3/4) ... [2019-12-07 19:09:38,998 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 19:09:39,008 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 19:09:39,009 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 19:09:39,009 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 19:09:39,009 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 19:09:39,010 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 19:09:39,010 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 19:09:39,011 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 19:09:39,034 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 19:09:39,066 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_122ff65a-afe2-4842-9dfb-a8e1885158d9/bin/utaipan/witness.graphml [2019-12-07 19:09:39,066 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:09:39,067 INFO L168 Benchmark]: Toolchain (without parser) took 3560.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 947.0 MB in the beginning and 798.7 MB in the end (delta: 148.3 MB). Peak memory consumption was 274.1 MB. Max. memory is 11.5 GB. [2019-12-07 19:09:39,067 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:09:39,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 19:09:39,068 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:09:39,068 INFO L168 Benchmark]: Boogie Preprocessor took 27.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:09:39,068 INFO L168 Benchmark]: RCFGBuilder took 494.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:09:39,068 INFO L168 Benchmark]: TraceAbstraction took 2557.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 805.6 MB in the end (delta: 221.3 MB). Peak memory consumption was 221.3 MB. Max. memory is 11.5 GB. [2019-12-07 19:09:39,068 INFO L168 Benchmark]: Witness Printer took 71.19 ms. Allocated memory is still 1.2 GB. Free memory was 805.6 MB in the beginning and 798.7 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:09:39,070 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 494.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2557.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 805.6 MB in the end (delta: 221.3 MB). Peak memory consumption was 221.3 MB. Max. memory is 11.5 GB. * Witness Printer took 71.19 ms. Allocated memory is still 1.2 GB. Free memory was 805.6 MB in the beginning and 798.7 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 158]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 158]: 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: 174]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 308 SDtfs, 347 SDslu, 367 SDs, 0 SdLazy, 64 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 122 HoareAnnotationTreeSize, 32 FomulaSimplifications, 4062 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 8519 SizeOfPredicates, 8 NumberOfNonLiveVariables, 903 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...