./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product08.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_83f1ce0a-8f8a-4fd0-b55e-a1772770320a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_83f1ce0a-8f8a-4fd0-b55e-a1772770320a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_83f1ce0a-8f8a-4fd0-b55e-a1772770320a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_83f1ce0a-8f8a-4fd0-b55e-a1772770320a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_83f1ce0a-8f8a-4fd0-b55e-a1772770320a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_83f1ce0a-8f8a-4fd0-b55e-a1772770320a/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f80d3a5338c2579934de7f265b1ca347607a109f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:12:34,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:12:34,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:12:34,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:12:34,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:12:34,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:12:34,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:12:34,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:12:34,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:12:34,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:12:34,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:12:34,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:12:34,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:12:34,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:12:34,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:12:34,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:12:34,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:12:34,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:12:34,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:12:34,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:12:34,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:12:34,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:12:34,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:12:34,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:12:34,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:12:34,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:12:34,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:12:34,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:12:34,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:12:34,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:12:34,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:12:34,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:12:34,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:12:34,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:12:34,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:12:34,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:12:34,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:12:34,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:12:34,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:12:34,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:12:34,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:12:34,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_83f1ce0a-8f8a-4fd0-b55e-a1772770320a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 12:12:34,367 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:12:34,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:12:34,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:12:34,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:12:34,368 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:12:34,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:12:34,368 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:12:34,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:12:34,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:12:34,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:12:34,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:12:34,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:12:34,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:12:34,369 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:12:34,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:12:34,370 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:12:34,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:12:34,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:12:34,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:12:34,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:12:34,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:12:34,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:12:34,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:12:34,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:12:34,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:12:34,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:12:34,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:12:34,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:12:34,372 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:12:34,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_83f1ce0a-8f8a-4fd0-b55e-a1772770320a/bin/uautomizer 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 -> Automizer 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 -> f80d3a5338c2579934de7f265b1ca347607a109f [2019-12-07 12:12:34,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:12:34,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:12:34,495 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:12:34,497 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:12:34,498 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:12:34,498 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_83f1ce0a-8f8a-4fd0-b55e-a1772770320a/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2019-12-07 12:12:34,535 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_83f1ce0a-8f8a-4fd0-b55e-a1772770320a/bin/uautomizer/data/fa7b272d9/573494032ccd4157b16de712faeece14/FLAG7143bc33e [2019-12-07 12:12:34,876 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:12:34,877 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_83f1ce0a-8f8a-4fd0-b55e-a1772770320a/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2019-12-07 12:12:34,885 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_83f1ce0a-8f8a-4fd0-b55e-a1772770320a/bin/uautomizer/data/fa7b272d9/573494032ccd4157b16de712faeece14/FLAG7143bc33e [2019-12-07 12:12:34,893 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_83f1ce0a-8f8a-4fd0-b55e-a1772770320a/bin/uautomizer/data/fa7b272d9/573494032ccd4157b16de712faeece14 [2019-12-07 12:12:34,895 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:12:34,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:12:34,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:12:34,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:12:34,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:12:34,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:12:34" (1/1) ... [2019-12-07 12:12:34,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:12:34, skipping insertion in model container [2019-12-07 12:12:34,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:12:34" (1/1) ... [2019-12-07 12:12:34,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:12:34,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:12:35,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:12:35,167 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:12:35,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:12:35,233 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:12:35,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:12:35 WrapperNode [2019-12-07 12:12:35,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:12:35,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:12:35,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:12:35,234 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:12:35,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:12:35" (1/1) ... [2019-12-07 12:12:35,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:12:35" (1/1) ... [2019-12-07 12:12:35,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:12:35,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:12:35,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:12:35,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:12:35,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:12:35" (1/1) ... [2019-12-07 12:12:35,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:12:35" (1/1) ... [2019-12-07 12:12:35,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:12:35" (1/1) ... [2019-12-07 12:12:35,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:12:35" (1/1) ... [2019-12-07 12:12:35,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:12:35" (1/1) ... [2019-12-07 12:12:35,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:12:35" (1/1) ... [2019-12-07 12:12:35,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:12:35" (1/1) ... [2019-12-07 12:12:35,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:12:35,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:12:35,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:12:35,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:12:35,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:12:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83f1ce0a-8f8a-4fd0-b55e-a1772770320a/bin/uautomizer/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 12:12:35,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:12:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 12:12:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:12:35,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:12:35,701 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:12:35,701 INFO L287 CfgBuilder]: Removed 104 assume(true) statements. [2019-12-07 12:12:35,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:12:35 BoogieIcfgContainer [2019-12-07 12:12:35,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:12:35,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:12:35,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:12:35,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:12:35,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:12:34" (1/3) ... [2019-12-07 12:12:35,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6fa83a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:12:35, skipping insertion in model container [2019-12-07 12:12:35,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:12:35" (2/3) ... [2019-12-07 12:12:35,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6fa83a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:12:35, skipping insertion in model container [2019-12-07 12:12:35,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:12:35" (3/3) ... [2019-12-07 12:12:35,707 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08.cil.c [2019-12-07 12:12:35,713 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:12:35,718 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 12:12:35,725 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 12:12:35,742 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:12:35,743 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:12:35,743 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:12:35,743 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:12:35,743 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:12:35,743 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:12:35,743 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:12:35,743 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:12:35,755 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-12-07 12:12:35,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 12:12:35,759 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:12:35,759 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:12:35,760 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:12:35,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:12:35,763 INFO L82 PathProgramCache]: Analyzing trace with hash 312412164, now seen corresponding path program 1 times [2019-12-07 12:12:35,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:12:35,769 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093027414] [2019-12-07 12:12:35,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:12:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:12:35,927 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 12:12:35,928 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093027414] [2019-12-07 12:12:35,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:12:35,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:12:35,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104095917] [2019-12-07 12:12:35,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:12:35,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:12:35,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:12:35,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:12:35,942 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-12-07 12:12:35,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:12:35,959 INFO L93 Difference]: Finished difference Result 143 states and 216 transitions. [2019-12-07 12:12:35,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:12:35,959 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 12:12:35,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:12:35,966 INFO L225 Difference]: With dead ends: 143 [2019-12-07 12:12:35,967 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 12:12:35,969 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 12:12:35,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 12:12:35,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-07 12:12:35,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 12:12:35,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2019-12-07 12:12:35,995 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2019-12-07 12:12:35,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:12:35,995 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2019-12-07 12:12:35,995 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:12:35,995 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2019-12-07 12:12:35,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 12:12:35,996 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:12:35,996 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:12:35,996 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:12:35,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:12:35,997 INFO L82 PathProgramCache]: Analyzing trace with hash 93576195, now seen corresponding path program 1 times [2019-12-07 12:12:35,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:12:35,997 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338088414] [2019-12-07 12:12:35,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:12:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:12:36,054 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 12:12:36,054 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338088414] [2019-12-07 12:12:36,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:12:36,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:12:36,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243547314] [2019-12-07 12:12:36,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:12:36,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:12:36,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:12:36,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:12:36,056 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 3 states. [2019-12-07 12:12:36,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:12:36,063 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2019-12-07 12:12:36,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:12:36,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 12:12:36,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:12:36,065 INFO L225 Difference]: With dead ends: 71 [2019-12-07 12:12:36,065 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 12:12:36,065 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:12:36,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 12:12:36,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 12:12:36,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 12:12:36,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-12-07 12:12:36,069 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-12-07 12:12:36,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:12:36,069 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-12-07 12:12:36,069 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:12:36,069 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-12-07 12:12:36,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 12:12:36,070 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:12:36,070 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 12:12:36,070 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:12:36,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:12:36,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1221563328, now seen corresponding path program 1 times [2019-12-07 12:12:36,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:12:36,071 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564257539] [2019-12-07 12:12:36,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:12:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:12:36,123 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 12:12:36,123 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564257539] [2019-12-07 12:12:36,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:12:36,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 12:12:36,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872468675] [2019-12-07 12:12:36,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:12:36,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:12:36,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:12:36,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:12:36,124 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2019-12-07 12:12:36,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:12:36,167 INFO L93 Difference]: Finished difference Result 87 states and 127 transitions. [2019-12-07 12:12:36,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 12:12:36,167 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 12:12:36,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:12:36,168 INFO L225 Difference]: With dead ends: 87 [2019-12-07 12:12:36,168 INFO L226 Difference]: Without dead ends: 59 [2019-12-07 12:12:36,168 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:12:36,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-12-07 12:12:36,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2019-12-07 12:12:36,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-12-07 12:12:36,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 80 transitions. [2019-12-07 12:12:36,176 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 80 transitions. Word has length 24 [2019-12-07 12:12:36,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:12:36,176 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 80 transitions. [2019-12-07 12:12:36,176 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:12:36,177 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2019-12-07 12:12:36,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 12:12:36,177 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:12:36,177 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:12:36,178 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:12:36,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:12:36,178 INFO L82 PathProgramCache]: Analyzing trace with hash -854554471, now seen corresponding path program 1 times [2019-12-07 12:12:36,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:12:36,178 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801384204] [2019-12-07 12:12:36,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:12:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:12:36,235 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 12:12:36,235 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801384204] [2019-12-07 12:12:36,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:12:36,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:12:36,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063225583] [2019-12-07 12:12:36,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:12:36,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:12:36,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:12:36,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:12:36,237 INFO L87 Difference]: Start difference. First operand 55 states and 80 transitions. Second operand 5 states. [2019-12-07 12:12:36,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:12:36,319 INFO L93 Difference]: Finished difference Result 242 states and 372 transitions. [2019-12-07 12:12:36,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 12:12:36,320 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 12:12:36,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:12:36,322 INFO L225 Difference]: With dead ends: 242 [2019-12-07 12:12:36,323 INFO L226 Difference]: Without dead ends: 194 [2019-12-07 12:12:36,323 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 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 12:12:36,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-12-07 12:12:36,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 95. [2019-12-07 12:12:36,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-12-07 12:12:36,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 138 transitions. [2019-12-07 12:12:36,338 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 138 transitions. Word has length 25 [2019-12-07 12:12:36,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:12:36,338 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 138 transitions. [2019-12-07 12:12:36,338 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:12:36,339 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2019-12-07 12:12:36,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 12:12:36,339 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:12:36,339 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:12:36,340 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:12:36,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:12:36,340 INFO L82 PathProgramCache]: Analyzing trace with hash -748784367, now seen corresponding path program 1 times [2019-12-07 12:12:36,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:12:36,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773009086] [2019-12-07 12:12:36,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:12:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:12:36,376 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 12:12:36,376 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773009086] [2019-12-07 12:12:36,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:12:36,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:12:36,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465219528] [2019-12-07 12:12:36,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:12:36,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:12:36,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:12:36,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:12:36,377 INFO L87 Difference]: Start difference. First operand 95 states and 138 transitions. Second operand 5 states. [2019-12-07 12:12:36,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:12:36,427 INFO L93 Difference]: Finished difference Result 285 states and 424 transitions. [2019-12-07 12:12:36,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:12:36,427 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 12:12:36,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:12:36,427 INFO L225 Difference]: With dead ends: 285 [2019-12-07 12:12:36,427 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:12:36,429 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 12:12:36,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:12:36,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:12:36,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:12:36,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:12:36,429 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-12-07 12:12:36,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:12:36,429 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:12:36,430 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:12:36,430 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:12:36,430 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:12:36,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:12:36,678 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 600) no Hoare annotation was computed. [2019-12-07 12:12:36,679 INFO L246 CegarLoopResult]: For program point L663(lines 663 669) no Hoare annotation was computed. [2019-12-07 12:12:36,679 INFO L246 CegarLoopResult]: For program point L663-2(lines 663 669) no Hoare annotation was computed. [2019-12-07 12:12:36,679 INFO L246 CegarLoopResult]: For program point L663-4(lines 663 669) no Hoare annotation was computed. [2019-12-07 12:12:36,679 INFO L242 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-12-07 12:12:36,680 INFO L242 CegarLoopResult]: At program point L845(lines 840 848) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:12:36,680 INFO L242 CegarLoopResult]: At program point L845-1(lines 840 848) the Hoare annotation is: false [2019-12-07 12:12:36,680 INFO L242 CegarLoopResult]: At program point L845-2(lines 840 848) the Hoare annotation is: false [2019-12-07 12:12:36,680 INFO L242 CegarLoopResult]: At program point L647(lines 642 649) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-12-07 12:12:36,680 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:12:36,680 INFO L246 CegarLoopResult]: For program point L796(lines 796 804) no Hoare annotation was computed. [2019-12-07 12:12:36,680 INFO L246 CegarLoopResult]: For program point L796-1(lines 796 804) no Hoare annotation was computed. [2019-12-07 12:12:36,681 INFO L246 CegarLoopResult]: For program point L730(lines 730 736) no Hoare annotation was computed. [2019-12-07 12:12:36,681 INFO L246 CegarLoopResult]: For program point L796-2(lines 796 804) no Hoare annotation was computed. [2019-12-07 12:12:36,681 INFO L242 CegarLoopResult]: At program point L730-1(lines 760 766) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:12:36,681 INFO L246 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2019-12-07 12:12:36,681 INFO L242 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-12-07 12:12:36,681 INFO L246 CegarLoopResult]: For program point L600(line 600) no Hoare annotation was computed. [2019-12-07 12:12:36,681 INFO L246 CegarLoopResult]: For program point L600-1(line 600) no Hoare annotation was computed. [2019-12-07 12:12:36,681 INFO L246 CegarLoopResult]: For program point L534(lines 534 538) no Hoare annotation was computed. [2019-12-07 12:12:36,682 INFO L246 CegarLoopResult]: For program point L600-2(line 600) no Hoare annotation was computed. [2019-12-07 12:12:36,682 INFO L246 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-12-07 12:12:36,682 INFO L246 CegarLoopResult]: For program point L56-1(lines 760 766) no Hoare annotation was computed. [2019-12-07 12:12:36,682 INFO L242 CegarLoopResult]: At program point L767(lines 767 773) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:12:36,682 INFO L242 CegarLoopResult]: At program point L767-1(lines 767 773) the Hoare annotation is: false [2019-12-07 12:12:36,682 INFO L242 CegarLoopResult]: At program point L767-2(lines 767 773) the Hoare annotation is: false [2019-12-07 12:12:36,683 INFO L242 CegarLoopResult]: At program point L635(lines 630 638) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-12-07 12:12:36,683 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:12:36,683 INFO L246 CegarLoopResult]: For program point L702(lines 702 708) no Hoare annotation was computed. [2019-12-07 12:12:36,683 INFO L242 CegarLoopResult]: At program point L702-1(lines 702 708) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:12:36,683 INFO L249 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2019-12-07 12:12:36,683 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 600) no Hoare annotation was computed. [2019-12-07 12:12:36,683 INFO L246 CegarLoopResult]: For program point L522(lines 522 526) no Hoare annotation was computed. [2019-12-07 12:12:36,683 INFO L246 CegarLoopResult]: For program point L522-3(lines 522 526) no Hoare annotation was computed. [2019-12-07 12:12:36,684 INFO L242 CegarLoopResult]: At program point L836(lines 829 839) the Hoare annotation is: false [2019-12-07 12:12:36,684 INFO L246 CegarLoopResult]: For program point L522-6(lines 522 526) no Hoare annotation was computed. [2019-12-07 12:12:36,684 INFO L242 CegarLoopResult]: At program point L836-1(lines 829 839) the Hoare annotation is: false [2019-12-07 12:12:36,684 INFO L242 CegarLoopResult]: At program point L836-2(lines 829 839) the Hoare annotation is: false [2019-12-07 12:12:36,684 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:12:36,684 INFO L246 CegarLoopResult]: For program point L722(lines 722 737) no Hoare annotation was computed. [2019-12-07 12:12:36,684 INFO L246 CegarLoopResult]: For program point L889(lines 889 895) no Hoare annotation was computed. [2019-12-07 12:12:36,685 INFO L242 CegarLoopResult]: At program point L889-1(lines 889 895) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:12:36,685 INFO L246 CegarLoopResult]: For program point L658(lines 658 675) no Hoare annotation was computed. [2019-12-07 12:12:36,685 INFO L242 CegarLoopResult]: At program point L658-1(lines 1 907) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:12:36,685 INFO L246 CegarLoopResult]: For program point L658-2(lines 658 675) no Hoare annotation was computed. [2019-12-07 12:12:36,685 INFO L242 CegarLoopResult]: At program point L559(lines 554 562) the Hoare annotation is: false [2019-12-07 12:12:36,685 INFO L242 CegarLoopResult]: At program point L658-3(lines 1 907) the Hoare annotation is: false [2019-12-07 12:12:36,686 INFO L242 CegarLoopResult]: At program point L559-1(lines 554 562) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:12:36,686 INFO L246 CegarLoopResult]: For program point L658-4(lines 658 675) no Hoare annotation was computed. [2019-12-07 12:12:36,686 INFO L242 CegarLoopResult]: At program point L559-2(lines 554 562) the Hoare annotation is: false [2019-12-07 12:12:36,686 INFO L242 CegarLoopResult]: At program point L658-5(lines 1 907) the Hoare annotation is: false [2019-12-07 12:12:36,686 INFO L242 CegarLoopResult]: At program point L559-3(lines 554 562) the Hoare annotation is: false [2019-12-07 12:12:36,686 INFO L242 CegarLoopResult]: At program point L559-4(lines 554 562) the Hoare annotation is: false [2019-12-07 12:12:36,686 INFO L242 CegarLoopResult]: At program point L559-5(lines 554 562) the Hoare annotation is: false [2019-12-07 12:12:36,687 INFO L242 CegarLoopResult]: At program point L742(lines 691 743) the Hoare annotation is: false [2019-12-07 12:12:36,687 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:12:36,687 INFO L246 CegarLoopResult]: For program point L792(lines 792 809) no Hoare annotation was computed. [2019-12-07 12:12:36,687 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 600) no Hoare annotation was computed. [2019-12-07 12:12:36,687 INFO L246 CegarLoopResult]: For program point L792-1(lines 792 809) no Hoare annotation was computed. [2019-12-07 12:12:36,687 INFO L246 CegarLoopResult]: For program point L792-2(lines 792 809) no Hoare annotation was computed. [2019-12-07 12:12:36,687 INFO L246 CegarLoopResult]: For program point L693(lines 692 741) no Hoare annotation was computed. [2019-12-07 12:12:36,688 INFO L242 CegarLoopResult]: At program point L627(lines 1 907) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-12-07 12:12:36,688 INFO L246 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-12-07 12:12:36,688 INFO L249 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2019-12-07 12:12:36,688 INFO L242 CegarLoopResult]: At program point L760(lines 759 778) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:12:36,688 INFO L246 CegarLoopResult]: For program point L760-1(lines 760 766) no Hoare annotation was computed. [2019-12-07 12:12:36,688 INFO L246 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2019-12-07 12:12:36,688 INFO L242 CegarLoopResult]: At program point L760-2(lines 759 778) the Hoare annotation is: false [2019-12-07 12:12:36,689 INFO L242 CegarLoopResult]: At program point L760-3(lines 759 778) the Hoare annotation is: false [2019-12-07 12:12:36,689 INFO L246 CegarLoopResult]: For program point L546(lines 546 550) no Hoare annotation was computed. [2019-12-07 12:12:36,689 INFO L246 CegarLoopResult]: For program point L662(lines 662 672) no Hoare annotation was computed. [2019-12-07 12:12:36,689 INFO L246 CegarLoopResult]: For program point L662-2(lines 662 672) no Hoare annotation was computed. [2019-12-07 12:12:36,689 INFO L246 CegarLoopResult]: For program point L662-4(lines 662 672) no Hoare annotation was computed. [2019-12-07 12:12:36,689 INFO L246 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2019-12-07 12:12:36,689 INFO L242 CegarLoopResult]: At program point L712-1(lines 712 718) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:12:36,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:12:36 BoogieIcfgContainer [2019-12-07 12:12:36,709 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:12:36,709 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:12:36,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:12:36,709 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:12:36,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:12:35" (3/4) ... [2019-12-07 12:12:36,713 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:12:36,728 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 12:12:36,728 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 12:12:36,729 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 12:12:36,730 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 12:12:36,730 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 12:12:36,731 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:12:36,731 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:12:36,753 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive) [2019-12-07 12:12:36,753 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-12-07 12:12:36,754 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-12-07 12:12:36,754 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 12:12:36,754 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 12:12:36,755 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 12:12:36,755 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 12:12:36,755 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 12:12:36,755 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 12:12:36,756 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 12:12:36,756 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 12:12:36,757 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 12:12:36,797 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_83f1ce0a-8f8a-4fd0-b55e-a1772770320a/bin/uautomizer/witness.graphml [2019-12-07 12:12:36,797 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:12:36,799 INFO L168 Benchmark]: Toolchain (without parser) took 1902.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 947.8 MB in the beginning and 848.5 MB in the end (delta: 99.3 MB). Peak memory consumption was 192.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:12:36,799 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:12:36,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -133.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:12:36,800 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:12:36,800 INFO L168 Benchmark]: Boogie Preprocessor took 26.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:12:36,800 INFO L168 Benchmark]: RCFGBuilder took 401.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:12:36,801 INFO L168 Benchmark]: TraceAbstraction took 1006.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 859.2 MB in the end (delta: 156.5 MB). Peak memory consumption was 156.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:12:36,801 INFO L168 Benchmark]: Witness Printer took 88.23 ms. Allocated memory is still 1.1 GB. Free memory was 859.2 MB in the beginning and 848.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:12:36,802 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 337.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -133.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 401.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1006.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 859.2 MB in the end (delta: 156.5 MB). Peak memory consumption was 156.5 MB. Max. memory is 11.5 GB. * Witness Printer took 88.23 ms. Allocated memory is still 1.1 GB. Free memory was 859.2 MB in the beginning and 848.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 600]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 600]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 600]: 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: 554]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: (((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: ((\result == 1 && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 323 SDtfs, 467 SDslu, 325 SDs, 0 SdLazy, 67 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 103 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 199 HoareAnnotationTreeSize, 33 FomulaSimplifications, 4039 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 33 FomulaSimplificationsInter, 153 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4755 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...