./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.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_c4f40dc0-df70-4292-aa88-d82275f92b4e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c4f40dc0-df70-4292-aa88-d82275f92b4e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c4f40dc0-df70-4292-aa88-d82275f92b4e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c4f40dc0-df70-4292-aa88-d82275f92b4e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c4f40dc0-df70-4292-aa88-d82275f92b4e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c4f40dc0-df70-4292-aa88-d82275f92b4e/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 14f022cf7e99461a69af1dfadf53c6fdf3d4a870 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:29:07,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:29:07,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:29:07,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:29:07,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:29:07,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:29:07,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:29:07,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:29:07,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:29:07,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:29:07,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:29:07,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:29:07,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:29:07,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:29:07,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:29:07,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:29:07,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:29:07,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:29:07,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:29:07,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:29:07,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:29:07,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:29:07,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:29:07,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:29:07,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:29:07,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:29:07,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:29:07,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:29:07,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:29:07,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:29:07,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:29:07,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:29:07,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:29:07,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:29:07,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:29:07,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:29:07,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:29:07,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:29:07,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:29:07,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:29:07,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:29:07,285 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c4f40dc0-df70-4292-aa88-d82275f92b4e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:29:07,294 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:29:07,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:29:07,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:29:07,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:29:07,296 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:29:07,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:29:07,296 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:29:07,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:29:07,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:29:07,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:29:07,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:29:07,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:29:07,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:29:07,297 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:29:07,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:29:07,297 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:29:07,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:29:07,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:29:07,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:29:07,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:29:07,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:29:07,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:29:07,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:29:07,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:29:07,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:29:07,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:29:07,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:29:07,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:29:07,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:29:07,299 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_c4f40dc0-df70-4292-aa88-d82275f92b4e/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 -> 14f022cf7e99461a69af1dfadf53c6fdf3d4a870 [2019-12-07 18:29:07,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:29:07,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:29:07,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:29:07,407 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:29:07,407 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:29:07,408 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c4f40dc0-df70-4292-aa88-d82275f92b4e/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2019-12-07 18:29:07,445 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c4f40dc0-df70-4292-aa88-d82275f92b4e/bin/uautomizer/data/785806fc4/53791560a94b48ae979467e939c30205/FLAGe253306bb [2019-12-07 18:29:07,811 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:29:07,811 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c4f40dc0-df70-4292-aa88-d82275f92b4e/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2019-12-07 18:29:07,819 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c4f40dc0-df70-4292-aa88-d82275f92b4e/bin/uautomizer/data/785806fc4/53791560a94b48ae979467e939c30205/FLAGe253306bb [2019-12-07 18:29:07,828 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c4f40dc0-df70-4292-aa88-d82275f92b4e/bin/uautomizer/data/785806fc4/53791560a94b48ae979467e939c30205 [2019-12-07 18:29:07,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:29:07,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:29:07,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:29:07,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:29:07,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:29:07,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:29:07" (1/1) ... [2019-12-07 18:29:07,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c28c768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:07, skipping insertion in model container [2019-12-07 18:29:07,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:29:07" (1/1) ... [2019-12-07 18:29:07,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:29:07,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:29:08,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:29:08,075 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:29:08,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:29:08,145 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:29:08,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:08 WrapperNode [2019-12-07 18:29:08,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:29:08,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:29:08,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:29:08,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:29:08,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:08" (1/1) ... [2019-12-07 18:29:08,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:08" (1/1) ... [2019-12-07 18:29:08,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:29:08,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:29:08,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:29:08,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:29:08,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:08" (1/1) ... [2019-12-07 18:29:08,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:08" (1/1) ... [2019-12-07 18:29:08,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:08" (1/1) ... [2019-12-07 18:29:08,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:08" (1/1) ... [2019-12-07 18:29:08,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:08" (1/1) ... [2019-12-07 18:29:08,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:08" (1/1) ... [2019-12-07 18:29:08,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:08" (1/1) ... [2019-12-07 18:29:08,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:29:08,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:29:08,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:29:08,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:29:08,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4f40dc0-df70-4292-aa88-d82275f92b4e/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 18:29:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:29:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 18:29:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:29:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:29:08,642 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:29:08,642 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-12-07 18:29:08,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:29:08 BoogieIcfgContainer [2019-12-07 18:29:08,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:29:08,644 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:29:08,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:29:08,646 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:29:08,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:29:07" (1/3) ... [2019-12-07 18:29:08,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4591354d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:29:08, skipping insertion in model container [2019-12-07 18:29:08,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:29:08" (2/3) ... [2019-12-07 18:29:08,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4591354d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:29:08, skipping insertion in model container [2019-12-07 18:29:08,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:29:08" (3/3) ... [2019-12-07 18:29:08,649 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2019-12-07 18:29:08,657 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:29:08,662 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 18:29:08,669 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 18:29:08,685 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:29:08,685 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:29:08,685 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:29:08,685 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:29:08,685 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:29:08,685 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:29:08,685 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:29:08,685 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:29:08,697 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2019-12-07 18:29:08,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 18:29:08,701 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:29:08,701 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:29:08,702 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:29:08,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:29:08,705 INFO L82 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2019-12-07 18:29:08,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:29:08,711 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80803490] [2019-12-07 18:29:08,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:29:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:29:08,871 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 18:29:08,871 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80803490] [2019-12-07 18:29:08,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:29:08,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:29:08,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409838229] [2019-12-07 18:29:08,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 18:29:08,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:29:08,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:29:08,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:29:08,885 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2019-12-07 18:29:08,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:29:08,903 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2019-12-07 18:29:08,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:29:08,904 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 18:29:08,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:29:08,911 INFO L225 Difference]: With dead ends: 148 [2019-12-07 18:29:08,911 INFO L226 Difference]: Without dead ends: 73 [2019-12-07 18:29:08,913 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 18:29:08,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-12-07 18:29:08,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-12-07 18:29:08,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 18:29:08,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-12-07 18:29:08,941 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2019-12-07 18:29:08,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:29:08,941 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-12-07 18:29:08,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 18:29:08,941 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-12-07 18:29:08,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 18:29:08,942 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:29:08,942 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 18:29:08,943 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:29:08,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:29:08,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2019-12-07 18:29:08,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:29:08,943 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759259918] [2019-12-07 18:29:08,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:29:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:29:09,013 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 18:29:09,014 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759259918] [2019-12-07 18:29:09,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:29:09,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:29:09,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029142089] [2019-12-07 18:29:09,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:29:09,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:29:09,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:29:09,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:29:09,016 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2019-12-07 18:29:09,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:29:09,024 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2019-12-07 18:29:09,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:29:09,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-07 18:29:09,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:29:09,025 INFO L225 Difference]: With dead ends: 73 [2019-12-07 18:29:09,025 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 18:29:09,026 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 18:29:09,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 18:29:09,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 18:29:09,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 18:29:09,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-12-07 18:29:09,030 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2019-12-07 18:29:09,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:29:09,030 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-12-07 18:29:09,030 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:29:09,030 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-12-07 18:29:09,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 18:29:09,031 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:29:09,031 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 18:29:09,031 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:29:09,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:29:09,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2019-12-07 18:29:09,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:29:09,032 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618546887] [2019-12-07 18:29:09,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:29:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:29:09,085 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 18:29:09,085 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618546887] [2019-12-07 18:29:09,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:29:09,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 18:29:09,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661674933] [2019-12-07 18:29:09,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:29:09,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:29:09,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:29:09,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:29:09,087 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2019-12-07 18:29:09,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:29:09,133 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2019-12-07 18:29:09,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 18:29:09,134 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-12-07 18:29:09,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:29:09,135 INFO L225 Difference]: With dead ends: 87 [2019-12-07 18:29:09,135 INFO L226 Difference]: Without dead ends: 58 [2019-12-07 18:29:09,135 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 18:29:09,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-12-07 18:29:09,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2019-12-07 18:29:09,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-07 18:29:09,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2019-12-07 18:29:09,144 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2019-12-07 18:29:09,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:29:09,144 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2019-12-07 18:29:09,144 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:29:09,144 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2019-12-07 18:29:09,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 18:29:09,145 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:29:09,145 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 18:29:09,146 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:29:09,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:29:09,146 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2019-12-07 18:29:09,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:29:09,146 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295174527] [2019-12-07 18:29:09,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:29:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:29:09,203 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 18:29:09,204 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295174527] [2019-12-07 18:29:09,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:29:09,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:29:09,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419453215] [2019-12-07 18:29:09,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:29:09,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:29:09,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:29:09,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:29:09,206 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 5 states. [2019-12-07 18:29:09,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:29:09,278 INFO L93 Difference]: Finished difference Result 199 states and 302 transitions. [2019-12-07 18:29:09,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 18:29:09,279 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-07 18:29:09,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:29:09,281 INFO L225 Difference]: With dead ends: 199 [2019-12-07 18:29:09,281 INFO L226 Difference]: Without dead ends: 151 [2019-12-07 18:29:09,282 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 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 18:29:09,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-12-07 18:29:09,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 96. [2019-12-07 18:29:09,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-12-07 18:29:09,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 137 transitions. [2019-12-07 18:29:09,296 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 137 transitions. Word has length 23 [2019-12-07 18:29:09,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:29:09,296 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 137 transitions. [2019-12-07 18:29:09,297 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:29:09,297 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 137 transitions. [2019-12-07 18:29:09,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 18:29:09,298 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:29:09,298 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 18:29:09,298 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:29:09,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:29:09,298 INFO L82 PathProgramCache]: Analyzing trace with hash 255216756, now seen corresponding path program 1 times [2019-12-07 18:29:09,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:29:09,299 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945334556] [2019-12-07 18:29:09,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:29:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:29:09,344 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 18:29:09,345 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945334556] [2019-12-07 18:29:09,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:29:09,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:29:09,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69238783] [2019-12-07 18:29:09,345 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:29:09,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:29:09,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:29:09,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:29:09,346 INFO L87 Difference]: Start difference. First operand 96 states and 137 transitions. Second operand 5 states. [2019-12-07 18:29:09,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:29:09,390 INFO L93 Difference]: Finished difference Result 236 states and 349 transitions. [2019-12-07 18:29:09,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:29:09,391 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 18:29:09,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:29:09,391 INFO L225 Difference]: With dead ends: 236 [2019-12-07 18:29:09,391 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 18:29:09,392 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 18:29:09,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 18:29:09,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 18:29:09,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 18:29:09,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 18:29:09,393 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-12-07 18:29:09,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:29:09,393 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:29:09,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:29:09,393 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:29:09,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 18:29:09,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 18:29:09,646 INFO L246 CegarLoopResult]: For program point L894(lines 894 909) no Hoare annotation was computed. [2019-12-07 18:29:09,646 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2019-12-07 18:29:09,646 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 18:29:09,647 INFO L249 CegarLoopResult]: At program point L268(lines 249 271) the Hoare annotation is: true [2019-12-07 18:29:09,647 INFO L242 CegarLoopResult]: At program point L235(lines 231 237) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-12-07 18:29:09,647 INFO L242 CegarLoopResult]: At program point L169(lines 164 172) the Hoare annotation is: false [2019-12-07 18:29:09,647 INFO L242 CegarLoopResult]: At program point L169-1(lines 164 172) the Hoare annotation is: false [2019-12-07 18:29:09,647 INFO L246 CegarLoopResult]: For program point L103(lines 103 107) no Hoare annotation was computed. [2019-12-07 18:29:09,647 INFO L242 CegarLoopResult]: At program point L169-2(lines 164 172) the Hoare annotation is: false [2019-12-07 18:29:09,647 INFO L242 CegarLoopResult]: At program point L186-2(lines 186 200) the Hoare annotation is: false [2019-12-07 18:29:09,647 INFO L246 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2019-12-07 18:29:09,648 INFO L242 CegarLoopResult]: At program point L914(lines 863 915) the Hoare annotation is: false [2019-12-07 18:29:09,648 INFO L246 CegarLoopResult]: For program point L865(lines 864 913) no Hoare annotation was computed. [2019-12-07 18:29:09,648 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-12-07 18:29:09,648 INFO L246 CegarLoopResult]: For program point L866(lines 866 870) no Hoare annotation was computed. [2019-12-07 18:29:09,648 INFO L246 CegarLoopResult]: For program point L718(lines 718 735) no Hoare annotation was computed. [2019-12-07 18:29:09,648 INFO L246 CegarLoopResult]: For program point L718-1(lines 718 735) no Hoare annotation was computed. [2019-12-07 18:29:09,648 INFO L246 CegarLoopResult]: For program point L718-2(lines 718 735) no Hoare annotation was computed. [2019-12-07 18:29:09,648 INFO L246 CegarLoopResult]: For program point L834(lines 834 840) no Hoare annotation was computed. [2019-12-07 18:29:09,649 INFO L242 CegarLoopResult]: At program point L834-1(lines 834 840) 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 18:29:09,649 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 18:29:09,649 INFO L246 CegarLoopResult]: For program point L190(lines 190 194) no Hoare annotation was computed. [2019-12-07 18:29:09,649 INFO L246 CegarLoopResult]: For program point L190-1(lines 686 692) no Hoare annotation was computed. [2019-12-07 18:29:09,649 INFO L246 CegarLoopResult]: For program point L91(lines 91 95) no Hoare annotation was computed. [2019-12-07 18:29:09,649 INFO L246 CegarLoopResult]: For program point L91-3(lines 91 95) no Hoare annotation was computed. [2019-12-07 18:29:09,649 INFO L246 CegarLoopResult]: For program point L91-6(lines 91 95) no Hoare annotation was computed. [2019-12-07 18:29:09,649 INFO L246 CegarLoopResult]: For program point L884(lines 884 890) no Hoare annotation was computed. [2019-12-07 18:29:09,650 INFO L242 CegarLoopResult]: At program point L884-1(lines 884 890) 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 18:29:09,650 INFO L242 CegarLoopResult]: At program point L686(lines 685 704) 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 18:29:09,650 INFO L246 CegarLoopResult]: For program point L686-1(lines 686 692) no Hoare annotation was computed. [2019-12-07 18:29:09,650 INFO L242 CegarLoopResult]: At program point L686-2(lines 685 704) the Hoare annotation is: false [2019-12-07 18:29:09,650 INFO L242 CegarLoopResult]: At program point L686-3(lines 685 704) the Hoare annotation is: false [2019-12-07 18:29:09,650 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2019-12-07 18:29:09,650 INFO L246 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2019-12-07 18:29:09,650 INFO L242 CegarLoopResult]: At program point L902-1(lines 686 692) 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 18:29:09,651 INFO L246 CegarLoopResult]: For program point L820(lines 820 824) no Hoare annotation was computed. [2019-12-07 18:29:09,651 INFO L246 CegarLoopResult]: For program point L820-2(lines 820 824) no Hoare annotation was computed. [2019-12-07 18:29:09,651 INFO L246 CegarLoopResult]: For program point L820-3(lines 820 824) no Hoare annotation was computed. [2019-12-07 18:29:09,651 INFO L246 CegarLoopResult]: For program point L820-5(lines 820 824) no Hoare annotation was computed. [2019-12-07 18:29:09,651 INFO L246 CegarLoopResult]: For program point L820-6(lines 820 824) no Hoare annotation was computed. [2019-12-07 18:29:09,651 INFO L246 CegarLoopResult]: For program point L820-8(lines 820 824) no Hoare annotation was computed. [2019-12-07 18:29:09,651 INFO L246 CegarLoopResult]: For program point L259(lines 259 266) no Hoare annotation was computed. [2019-12-07 18:29:09,651 INFO L242 CegarLoopResult]: At program point L771(lines 766 774) 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 18:29:09,652 INFO L242 CegarLoopResult]: At program point L771-1(lines 766 774) the Hoare annotation is: false [2019-12-07 18:29:09,652 INFO L249 CegarLoopResult]: At program point L259-1(lines 259 266) the Hoare annotation is: true [2019-12-07 18:29:09,652 INFO L242 CegarLoopResult]: At program point L771-2(lines 766 774) the Hoare annotation is: false [2019-12-07 18:29:09,652 INFO L242 CegarLoopResult]: At program point L160(lines 155 163) 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 18:29:09,652 INFO L242 CegarLoopResult]: At program point L160-1(lines 155 163) the Hoare annotation is: false [2019-12-07 18:29:09,652 INFO L242 CegarLoopResult]: At program point L160-2(lines 155 163) the Hoare annotation is: false [2019-12-07 18:29:09,652 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 18:29:09,652 INFO L246 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2019-12-07 18:29:09,652 INFO L246 CegarLoopResult]: For program point L722-1(lines 722 730) no Hoare annotation was computed. [2019-12-07 18:29:09,652 INFO L246 CegarLoopResult]: For program point L722-2(lines 722 730) no Hoare annotation was computed. [2019-12-07 18:29:09,652 INFO L246 CegarLoopResult]: For program point L657(lines 657 670) no Hoare annotation was computed. [2019-12-07 18:29:09,653 INFO L242 CegarLoopResult]: At program point L657-1(lines 1 921) 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 18:29:09,653 INFO L246 CegarLoopResult]: For program point L657-2(lines 657 670) no Hoare annotation was computed. [2019-12-07 18:29:09,653 INFO L242 CegarLoopResult]: At program point L657-3(lines 1 921) the Hoare annotation is: false [2019-12-07 18:29:09,653 INFO L246 CegarLoopResult]: For program point L657-4(lines 657 670) no Hoare annotation was computed. [2019-12-07 18:29:09,653 INFO L242 CegarLoopResult]: At program point L657-5(lines 1 921) the Hoare annotation is: false [2019-12-07 18:29:09,653 INFO L246 CegarLoopResult]: For program point L874(lines 874 880) no Hoare annotation was computed. [2019-12-07 18:29:09,653 INFO L242 CegarLoopResult]: At program point L874-1(lines 874 880) 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 18:29:09,653 INFO L246 CegarLoopResult]: For program point L643(line 643) no Hoare annotation was computed. [2019-12-07 18:29:09,653 INFO L246 CegarLoopResult]: For program point L643-1(line 643) no Hoare annotation was computed. [2019-12-07 18:29:09,653 INFO L242 CegarLoopResult]: At program point L65(lines 1 921) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-12-07 18:29:09,654 INFO L246 CegarLoopResult]: For program point L643-2(line 643) no Hoare annotation was computed. [2019-12-07 18:29:09,654 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 18:29:09,654 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2019-12-07 18:29:09,654 INFO L242 CegarLoopResult]: At program point L693(lines 693 699) 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 18:29:09,654 INFO L242 CegarLoopResult]: At program point L693-1(lines 693 699) the Hoare annotation is: false [2019-12-07 18:29:09,654 INFO L246 CegarLoopResult]: For program point L115(lines 115 119) no Hoare annotation was computed. [2019-12-07 18:29:09,654 INFO L242 CegarLoopResult]: At program point L693-2(lines 693 699) the Hoare annotation is: false [2019-12-07 18:29:09,654 INFO L242 CegarLoopResult]: At program point L826(lines 811 829) the Hoare annotation is: false [2019-12-07 18:29:09,654 INFO L242 CegarLoopResult]: At program point L826-1(lines 811 829) the Hoare annotation is: false [2019-12-07 18:29:09,654 INFO L242 CegarLoopResult]: At program point L826-2(lines 811 829) the Hoare annotation is: false [2019-12-07 18:29:09,655 INFO L246 CegarLoopResult]: For program point L661(lines 661 667) no Hoare annotation was computed. [2019-12-07 18:29:09,655 INFO L246 CegarLoopResult]: For program point L661-2(lines 661 667) no Hoare annotation was computed. [2019-12-07 18:29:09,655 INFO L246 CegarLoopResult]: For program point L661-4(lines 661 667) no Hoare annotation was computed. [2019-12-07 18:29:09,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:29:09 BoogieIcfgContainer [2019-12-07 18:29:09,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:29:09,669 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:29:09,670 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:29:09,670 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:29:09,670 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:29:08" (3/4) ... [2019-12-07 18:29:09,673 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 18:29:09,685 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 18:29:09,685 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 18:29:09,686 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 18:29:09,686 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 18:29:09,687 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 18:29:09,687 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 18:29:09,688 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 18:29:09,708 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-12-07 18:29:09,708 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-12-07 18:29:09,709 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 18:29:09,709 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 18:29:09,709 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 18:29:09,710 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 18:29:09,710 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 18:29:09,710 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 18:29:09,710 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 18:29:09,711 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 18:29:09,711 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 18:29:09,754 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c4f40dc0-df70-4292-aa88-d82275f92b4e/bin/uautomizer/witness.graphml [2019-12-07 18:29:09,754 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:29:09,755 INFO L168 Benchmark]: Toolchain (without parser) took 1924.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 942.5 MB in the beginning and 858.9 MB in the end (delta: 83.6 MB). Peak memory consumption was 187.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:29:09,756 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:29:09,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:29:09,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.35 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 18:29:09,757 INFO L168 Benchmark]: Boogie Preprocessor took 25.97 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 18:29:09,757 INFO L168 Benchmark]: RCFGBuilder took 429.21 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 18:29:09,757 INFO L168 Benchmark]: TraceAbstraction took 1025.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 869.6 MB in the end (delta: 151.2 MB). Peak memory consumption was 151.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:29:09,758 INFO L168 Benchmark]: Witness Printer took 84.52 ms. Allocated memory is still 1.1 GB. Free memory was 869.6 MB in the beginning and 858.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:29:09,759 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.35 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. * Boogie Preprocessor took 25.97 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. * RCFGBuilder took 429.21 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 1025.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 869.6 MB in the end (delta: 151.2 MB). Peak memory consumption was 151.2 MB. Max. memory is 11.5 GB. * Witness Printer took 84.52 ms. Allocated memory is still 1.1 GB. Free memory was 869.6 MB in the beginning and 858.9 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: 643]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 643]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 643]: 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: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 327 SDtfs, 478 SDslu, 266 SDs, 0 SdLazy, 65 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred 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, 59 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 94 NumberOfFragments, 182 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1716 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 32 FomulaSimplificationsInter, 273 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4057 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...