./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product49.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_83bee74e-0387-46f0-ad97-1d410d077ce1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_83bee74e-0387-46f0-ad97-1d410d077ce1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_83bee74e-0387-46f0-ad97-1d410d077ce1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_83bee74e-0387-46f0-ad97-1d410d077ce1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_83bee74e-0387-46f0-ad97-1d410d077ce1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_83bee74e-0387-46f0-ad97-1d410d077ce1/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 712263c6c933aaef268a48b623f3b4ee6fd9ad4b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:58:18,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:58:18,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:58:18,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:58:18,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:58:18,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:58:18,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:58:18,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:58:18,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:58:18,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:58:18,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:58:18,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:58:18,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:58:18,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:58:18,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:58:18,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:58:18,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:58:18,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:58:18,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:58:18,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:58:18,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:58:18,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:58:18,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:58:18,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:58:18,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:58:18,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:58:18,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:58:18,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:58:18,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:58:18,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:58:18,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:58:18,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:58:18,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:58:18,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:58:18,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:58:18,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:58:18,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:58:18,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:58:18,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:58:18,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:58:18,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:58:18,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_83bee74e-0387-46f0-ad97-1d410d077ce1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 15:58:18,246 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:58:18,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:58:18,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:58:18,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:58:18,247 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:58:18,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:58:18,248 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:58:18,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:58:18,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:58:18,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:58:18,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:58:18,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:58:18,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:58:18,249 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:58:18,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:58:18,249 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:58:18,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:58:18,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:58:18,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:58:18,250 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:58:18,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:58:18,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:58:18,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:58:18,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:58:18,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:58:18,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:58:18,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:58:18,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:58:18,252 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:58:18,252 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_83bee74e-0387-46f0-ad97-1d410d077ce1/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 -> 712263c6c933aaef268a48b623f3b4ee6fd9ad4b [2019-12-07 15:58:18,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:58:18,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:58:18,377 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:58:18,378 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:58:18,379 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:58:18,379 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_83bee74e-0387-46f0-ad97-1d410d077ce1/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2019-12-07 15:58:18,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_83bee74e-0387-46f0-ad97-1d410d077ce1/bin/uautomizer/data/f40ef19bc/ec6be82e0fad4d2fb9a5db558c377f67/FLAG28dc0278e [2019-12-07 15:58:18,882 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:58:18,882 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_83bee74e-0387-46f0-ad97-1d410d077ce1/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2019-12-07 15:58:18,891 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_83bee74e-0387-46f0-ad97-1d410d077ce1/bin/uautomizer/data/f40ef19bc/ec6be82e0fad4d2fb9a5db558c377f67/FLAG28dc0278e [2019-12-07 15:58:18,901 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_83bee74e-0387-46f0-ad97-1d410d077ce1/bin/uautomizer/data/f40ef19bc/ec6be82e0fad4d2fb9a5db558c377f67 [2019-12-07 15:58:18,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:58:18,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:58:18,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:58:18,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:58:18,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:58:18,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:58:18" (1/1) ... [2019-12-07 15:58:18,909 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 03:58:18, skipping insertion in model container [2019-12-07 15:58:18,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:58:18" (1/1) ... [2019-12-07 15:58:18,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:58:18,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:58:19,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:58:19,160 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:58:19,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:58:19,229 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:58:19,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:19 WrapperNode [2019-12-07 15:58:19,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:58:19,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:58:19,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:58:19,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:58:19,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:19" (1/1) ... [2019-12-07 15:58:19,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:19" (1/1) ... [2019-12-07 15:58:19,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:58:19,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:58:19,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:58:19,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:58:19,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:19" (1/1) ... [2019-12-07 15:58:19,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:19" (1/1) ... [2019-12-07 15:58:19,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:19" (1/1) ... [2019-12-07 15:58:19,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:19" (1/1) ... [2019-12-07 15:58:19,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:19" (1/1) ... [2019-12-07 15:58:19,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:19" (1/1) ... [2019-12-07 15:58:19,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:19" (1/1) ... [2019-12-07 15:58:19,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:58:19,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:58:19,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:58:19,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:58:19,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83bee74e-0387-46f0-ad97-1d410d077ce1/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 15:58:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:58:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 15:58:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:58:19,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:58:19,804 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:58:19,804 INFO L287 CfgBuilder]: Removed 156 assume(true) statements. [2019-12-07 15:58:19,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:58:19 BoogieIcfgContainer [2019-12-07 15:58:19,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:58:19,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:58:19,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:58:19,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:58:19,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:58:18" (1/3) ... [2019-12-07 15:58:19,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2534fe61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:58:19, skipping insertion in model container [2019-12-07 15:58:19,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:19" (2/3) ... [2019-12-07 15:58:19,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2534fe61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:58:19, skipping insertion in model container [2019-12-07 15:58:19,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:58:19" (3/3) ... [2019-12-07 15:58:19,810 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2019-12-07 15:58:19,817 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:58:19,822 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 15:58:19,829 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 15:58:19,846 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:58:19,846 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:58:19,846 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:58:19,846 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:58:19,846 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:58:19,846 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:58:19,847 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:58:19,847 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:58:19,859 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-12-07 15:58:19,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 15:58:19,864 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:58:19,864 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:58:19,865 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:58:19,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:58:19,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1641629540, now seen corresponding path program 1 times [2019-12-07 15:58:19,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:58:19,874 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990518813] [2019-12-07 15:58:19,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:58:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:58:20,024 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 15:58:20,025 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990518813] [2019-12-07 15:58:20,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:58:20,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:58:20,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065482813] [2019-12-07 15:58:20,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:58:20,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:58:20,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:58:20,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:58:20,038 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-12-07 15:58:20,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:58:20,059 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2019-12-07 15:58:20,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:58:20,060 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 15:58:20,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:58:20,068 INFO L225 Difference]: With dead ends: 228 [2019-12-07 15:58:20,068 INFO L226 Difference]: Without dead ends: 113 [2019-12-07 15:58:20,071 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 15:58:20,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-12-07 15:58:20,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-12-07 15:58:20,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-12-07 15:58:20,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2019-12-07 15:58:20,101 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2019-12-07 15:58:20,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:58:20,101 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2019-12-07 15:58:20,102 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:58:20,102 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2019-12-07 15:58:20,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 15:58:20,102 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:58:20,103 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 15:58:20,103 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:58:20,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:58:20,103 INFO L82 PathProgramCache]: Analyzing trace with hash 594872643, now seen corresponding path program 1 times [2019-12-07 15:58:20,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:58:20,103 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777315622] [2019-12-07 15:58:20,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:58:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:58:20,160 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 15:58:20,160 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777315622] [2019-12-07 15:58:20,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:58:20,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:58:20,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963949620] [2019-12-07 15:58:20,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:58:20,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:58:20,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:58:20,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:58:20,163 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2019-12-07 15:58:20,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:58:20,174 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-12-07 15:58:20,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:58:20,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-07 15:58:20,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:58:20,176 INFO L225 Difference]: With dead ends: 113 [2019-12-07 15:58:20,176 INFO L226 Difference]: Without dead ends: 47 [2019-12-07 15:58:20,177 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 15:58:20,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-12-07 15:58:20,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-12-07 15:58:20,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-12-07 15:58:20,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2019-12-07 15:58:20,183 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2019-12-07 15:58:20,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:58:20,183 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2019-12-07 15:58:20,183 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:58:20,184 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2019-12-07 15:58:20,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 15:58:20,184 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:58:20,185 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 15:58:20,185 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:58:20,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:58:20,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1404483435, now seen corresponding path program 1 times [2019-12-07 15:58:20,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:58:20,185 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918291442] [2019-12-07 15:58:20,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:58:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:58:20,240 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 15:58:20,240 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918291442] [2019-12-07 15:58:20,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:58:20,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:58:20,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998352445] [2019-12-07 15:58:20,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:58:20,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:58:20,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:58:20,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:58:20,241 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2019-12-07 15:58:20,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:58:20,247 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2019-12-07 15:58:20,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:58:20,247 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-12-07 15:58:20,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:58:20,248 INFO L225 Difference]: With dead ends: 88 [2019-12-07 15:58:20,248 INFO L226 Difference]: Without dead ends: 47 [2019-12-07 15:58:20,249 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:58:20,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-12-07 15:58:20,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-12-07 15:58:20,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-12-07 15:58:20,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-12-07 15:58:20,252 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2019-12-07 15:58:20,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:58:20,253 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-12-07 15:58:20,253 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:58:20,253 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-12-07 15:58:20,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 15:58:20,253 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:58:20,253 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 15:58:20,254 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:58:20,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:58:20,254 INFO L82 PathProgramCache]: Analyzing trace with hash -764351347, now seen corresponding path program 1 times [2019-12-07 15:58:20,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:58:20,254 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665535148] [2019-12-07 15:58:20,254 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:58:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:58:20,285 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 15:58:20,285 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665535148] [2019-12-07 15:58:20,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:58:20,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:58:20,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331581982] [2019-12-07 15:58:20,286 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:58:20,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:58:20,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:58:20,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:58:20,287 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-12-07 15:58:20,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:58:20,308 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2019-12-07 15:58:20,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:58:20,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 15:58:20,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:58:20,309 INFO L225 Difference]: With dead ends: 109 [2019-12-07 15:58:20,309 INFO L226 Difference]: Without dead ends: 68 [2019-12-07 15:58:20,309 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:58:20,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-12-07 15:58:20,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2019-12-07 15:58:20,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-12-07 15:58:20,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2019-12-07 15:58:20,315 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2019-12-07 15:58:20,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:58:20,315 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2019-12-07 15:58:20,315 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:58:20,316 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2019-12-07 15:58:20,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 15:58:20,316 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:58:20,316 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, 1, 1, 1, 1] [2019-12-07 15:58:20,316 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:58:20,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:58:20,317 INFO L82 PathProgramCache]: Analyzing trace with hash -805303330, now seen corresponding path program 1 times [2019-12-07 15:58:20,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:58:20,317 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460848664] [2019-12-07 15:58:20,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:58:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:58:20,359 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 15:58:20,359 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460848664] [2019-12-07 15:58:20,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:58:20,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 15:58:20,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959271146] [2019-12-07 15:58:20,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:58:20,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:58:20,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:58:20,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:58:20,361 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand 5 states. [2019-12-07 15:58:20,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:58:20,421 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2019-12-07 15:58:20,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 15:58:20,421 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-12-07 15:58:20,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:58:20,423 INFO L225 Difference]: With dead ends: 175 [2019-12-07 15:58:20,423 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 15:58:20,424 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 15:58:20,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 15:58:20,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2019-12-07 15:58:20,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-12-07 15:58:20,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2019-12-07 15:58:20,432 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2019-12-07 15:58:20,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:58:20,432 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2019-12-07 15:58:20,432 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:58:20,432 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2019-12-07 15:58:20,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 15:58:20,433 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:58:20,433 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, 1, 1, 1, 1] [2019-12-07 15:58:20,434 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:58:20,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:58:20,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1857207713, now seen corresponding path program 1 times [2019-12-07 15:58:20,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:58:20,434 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801295476] [2019-12-07 15:58:20,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:58:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:58:20,481 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 15:58:20,481 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801295476] [2019-12-07 15:58:20,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:58:20,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:58:20,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145667328] [2019-12-07 15:58:20,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:58:20,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:58:20,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:58:20,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:58:20,482 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 5 states. [2019-12-07 15:58:20,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:58:20,545 INFO L93 Difference]: Finished difference Result 253 states and 355 transitions. [2019-12-07 15:58:20,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 15:58:20,546 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-12-07 15:58:20,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:58:20,547 INFO L225 Difference]: With dead ends: 253 [2019-12-07 15:58:20,547 INFO L226 Difference]: Without dead ends: 187 [2019-12-07 15:58:20,548 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 15:58:20,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2019-12-07 15:58:20,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 115. [2019-12-07 15:58:20,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-07 15:58:20,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 155 transitions. [2019-12-07 15:58:20,558 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 155 transitions. Word has length 30 [2019-12-07 15:58:20,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:58:20,558 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 155 transitions. [2019-12-07 15:58:20,558 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:58:20,558 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 155 transitions. [2019-12-07 15:58:20,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 15:58:20,559 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:58:20,559 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, 1, 1, 1, 1, 1] [2019-12-07 15:58:20,560 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:58:20,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:58:20,560 INFO L82 PathProgramCache]: Analyzing trace with hash -150608481, now seen corresponding path program 1 times [2019-12-07 15:58:20,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:58:20,560 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518031485] [2019-12-07 15:58:20,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:58:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:58:20,598 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 15:58:20,599 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518031485] [2019-12-07 15:58:20,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:58:20,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:58:20,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616640596] [2019-12-07 15:58:20,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:58:20,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:58:20,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:58:20,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:58:20,600 INFO L87 Difference]: Start difference. First operand 115 states and 155 transitions. Second operand 5 states. [2019-12-07 15:58:20,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:58:20,680 INFO L93 Difference]: Finished difference Result 247 states and 339 transitions. [2019-12-07 15:58:20,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 15:58:20,681 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-07 15:58:20,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:58:20,682 INFO L225 Difference]: With dead ends: 247 [2019-12-07 15:58:20,682 INFO L226 Difference]: Without dead ends: 245 [2019-12-07 15:58:20,683 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 15:58:20,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2019-12-07 15:58:20,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 115. [2019-12-07 15:58:20,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-07 15:58:20,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 154 transitions. [2019-12-07 15:58:20,693 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 154 transitions. Word has length 31 [2019-12-07 15:58:20,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:58:20,693 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 154 transitions. [2019-12-07 15:58:20,693 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:58:20,693 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 154 transitions. [2019-12-07 15:58:20,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 15:58:20,694 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:58:20,694 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, 1, 1, 1, 1, 1] [2019-12-07 15:58:20,695 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:58:20,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:58:20,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1088820762, now seen corresponding path program 1 times [2019-12-07 15:58:20,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:58:20,695 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368323519] [2019-12-07 15:58:20,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:58:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:58:20,723 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 15:58:20,723 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368323519] [2019-12-07 15:58:20,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:58:20,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:58:20,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084677648] [2019-12-07 15:58:20,724 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:58:20,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:58:20,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:58:20,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:58:20,724 INFO L87 Difference]: Start difference. First operand 115 states and 154 transitions. Second operand 4 states. [2019-12-07 15:58:20,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:58:20,755 INFO L93 Difference]: Finished difference Result 250 states and 335 transitions. [2019-12-07 15:58:20,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:58:20,756 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-12-07 15:58:20,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:58:20,756 INFO L225 Difference]: With dead ends: 250 [2019-12-07 15:58:20,757 INFO L226 Difference]: Without dead ends: 141 [2019-12-07 15:58:20,757 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:58:20,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-12-07 15:58:20,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 100. [2019-12-07 15:58:20,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-12-07 15:58:20,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 131 transitions. [2019-12-07 15:58:20,765 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 131 transitions. Word has length 31 [2019-12-07 15:58:20,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:58:20,765 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 131 transitions. [2019-12-07 15:58:20,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:58:20,765 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 131 transitions. [2019-12-07 15:58:20,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 15:58:20,766 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:58:20,766 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, 1, 1, 1, 1, 1] [2019-12-07 15:58:20,766 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:58:20,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:58:20,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1346986200, now seen corresponding path program 1 times [2019-12-07 15:58:20,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:58:20,767 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548513183] [2019-12-07 15:58:20,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:58:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:58:20,801 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 15:58:20,801 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548513183] [2019-12-07 15:58:20,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:58:20,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 15:58:20,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602487187] [2019-12-07 15:58:20,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:58:20,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:58:20,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:58:20,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:58:20,803 INFO L87 Difference]: Start difference. First operand 100 states and 131 transitions. Second operand 5 states. [2019-12-07 15:58:20,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:58:20,913 INFO L93 Difference]: Finished difference Result 271 states and 366 transitions. [2019-12-07 15:58:20,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 15:58:20,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-07 15:58:20,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:58:20,915 INFO L225 Difference]: With dead ends: 271 [2019-12-07 15:58:20,915 INFO L226 Difference]: Without dead ends: 201 [2019-12-07 15:58:20,915 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 15:58:20,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2019-12-07 15:58:20,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 141. [2019-12-07 15:58:20,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-12-07 15:58:20,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 183 transitions. [2019-12-07 15:58:20,924 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 183 transitions. Word has length 31 [2019-12-07 15:58:20,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:58:20,924 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 183 transitions. [2019-12-07 15:58:20,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:58:20,924 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 183 transitions. [2019-12-07 15:58:20,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-07 15:58:20,925 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:58:20,925 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:58:20,925 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:58:20,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:58:20,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1033530397, now seen corresponding path program 1 times [2019-12-07 15:58:20,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:58:20,926 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273853500] [2019-12-07 15:58:20,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:58:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:58:20,974 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:58:20,975 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273853500] [2019-12-07 15:58:20,975 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103064803] [2019-12-07 15:58:20,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83bee74e-0387-46f0-ad97-1d410d077ce1/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:58:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:58:21,068 INFO L264 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 15:58:21,073 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:58:21,091 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:58:21,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 15:58:21,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-12-07 15:58:21,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659721345] [2019-12-07 15:58:21,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:58:21,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:58:21,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:58:21,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:58:21,092 INFO L87 Difference]: Start difference. First operand 141 states and 183 transitions. Second operand 6 states. [2019-12-07 15:58:21,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:58:21,225 INFO L93 Difference]: Finished difference Result 441 states and 588 transitions. [2019-12-07 15:58:21,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 15:58:21,225 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2019-12-07 15:58:21,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:58:21,227 INFO L225 Difference]: With dead ends: 441 [2019-12-07 15:58:21,227 INFO L226 Difference]: Without dead ends: 330 [2019-12-07 15:58:21,227 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-12-07 15:58:21,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2019-12-07 15:58:21,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 195. [2019-12-07 15:58:21,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2019-12-07 15:58:21,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 256 transitions. [2019-12-07 15:58:21,238 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 256 transitions. Word has length 52 [2019-12-07 15:58:21,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:58:21,238 INFO L462 AbstractCegarLoop]: Abstraction has 195 states and 256 transitions. [2019-12-07 15:58:21,239 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:58:21,239 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 256 transitions. [2019-12-07 15:58:21,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-07 15:58:21,240 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:58:21,240 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:58:21,440 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:58:21,441 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:58:21,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:58:21,441 INFO L82 PathProgramCache]: Analyzing trace with hash 2113506808, now seen corresponding path program 2 times [2019-12-07 15:58:21,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:58:21,442 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448916623] [2019-12-07 15:58:21,442 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:58:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:58:21,606 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 15:58:21,606 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448916623] [2019-12-07 15:58:21,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:58:21,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 15:58:21,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534512436] [2019-12-07 15:58:21,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:58:21,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:58:21,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:58:21,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:58:21,608 INFO L87 Difference]: Start difference. First operand 195 states and 256 transitions. Second operand 5 states. [2019-12-07 15:58:21,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:58:21,785 INFO L93 Difference]: Finished difference Result 599 states and 798 transitions. [2019-12-07 15:58:21,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 15:58:21,785 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2019-12-07 15:58:21,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:58:21,787 INFO L225 Difference]: With dead ends: 599 [2019-12-07 15:58:21,787 INFO L226 Difference]: Without dead ends: 433 [2019-12-07 15:58:21,788 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 15:58:21,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2019-12-07 15:58:21,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 271. [2019-12-07 15:58:21,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2019-12-07 15:58:21,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 353 transitions. [2019-12-07 15:58:21,805 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 353 transitions. Word has length 73 [2019-12-07 15:58:21,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:58:21,806 INFO L462 AbstractCegarLoop]: Abstraction has 271 states and 353 transitions. [2019-12-07 15:58:21,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:58:21,806 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 353 transitions. [2019-12-07 15:58:21,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-07 15:58:21,807 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:58:21,807 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 15:58:21,807 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:58:21,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:58:21,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1906700874, now seen corresponding path program 1 times [2019-12-07 15:58:21,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:58:21,807 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981049318] [2019-12-07 15:58:21,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:58:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:58:21,850 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 15:58:21,850 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981049318] [2019-12-07 15:58:21,850 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106615173] [2019-12-07 15:58:21,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83bee74e-0387-46f0-ad97-1d410d077ce1/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:58:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:58:21,937 INFO L264 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:58:21,940 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:58:21,963 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 15:58:21,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 15:58:21,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-12-07 15:58:21,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531258794] [2019-12-07 15:58:21,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:58:21,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:58:21,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:58:21,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 15:58:21,965 INFO L87 Difference]: Start difference. First operand 271 states and 353 transitions. Second operand 5 states. [2019-12-07 15:58:22,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:58:22,001 INFO L93 Difference]: Finished difference Result 480 states and 624 transitions. [2019-12-07 15:58:22,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:58:22,001 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2019-12-07 15:58:22,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:58:22,002 INFO L225 Difference]: With dead ends: 480 [2019-12-07 15:58:22,002 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 15:58:22,003 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-12-07 15:58:22,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 15:58:22,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 15:58:22,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 15:58:22,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 15:58:22,003 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2019-12-07 15:58:22,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:58:22,004 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:58:22,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:58:22,004 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:58:22,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 15:58:22,204 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:58:22,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 15:58:22,373 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 97 [2019-12-07 15:58:22,883 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 17 [2019-12-07 15:58:23,105 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 17 [2019-12-07 15:58:23,496 WARN L192 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 17 [2019-12-07 15:58:23,653 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 10 [2019-12-07 15:58:23,800 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 20 [2019-12-07 15:58:24,019 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 17 [2019-12-07 15:58:24,209 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 25 [2019-12-07 15:58:24,367 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 19 [2019-12-07 15:58:24,370 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 15:58:24,370 INFO L246 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2019-12-07 15:58:24,370 INFO L246 CegarLoopResult]: For program point L433-2(lines 433 437) no Hoare annotation was computed. [2019-12-07 15:58:24,370 INFO L246 CegarLoopResult]: For program point L433-3(lines 433 437) no Hoare annotation was computed. [2019-12-07 15:58:24,370 INFO L246 CegarLoopResult]: For program point L433-5(lines 433 437) no Hoare annotation was computed. [2019-12-07 15:58:24,370 INFO L246 CegarLoopResult]: For program point L433-6(lines 433 437) no Hoare annotation was computed. [2019-12-07 15:58:24,370 INFO L246 CegarLoopResult]: For program point L433-8(lines 433 437) no Hoare annotation was computed. [2019-12-07 15:58:24,371 INFO L246 CegarLoopResult]: For program point L433-9(lines 433 437) no Hoare annotation was computed. [2019-12-07 15:58:24,371 INFO L246 CegarLoopResult]: For program point L433-11(lines 433 437) no Hoare annotation was computed. [2019-12-07 15:58:24,371 INFO L246 CegarLoopResult]: For program point L433-12(lines 433 437) no Hoare annotation was computed. [2019-12-07 15:58:24,371 INFO L246 CegarLoopResult]: For program point L433-14(lines 433 437) no Hoare annotation was computed. [2019-12-07 15:58:24,371 INFO L246 CegarLoopResult]: For program point L433-15(lines 433 437) no Hoare annotation was computed. [2019-12-07 15:58:24,371 INFO L246 CegarLoopResult]: For program point L433-17(lines 433 437) no Hoare annotation was computed. [2019-12-07 15:58:24,371 INFO L246 CegarLoopResult]: For program point L335(lines 335 343) no Hoare annotation was computed. [2019-12-07 15:58:24,371 INFO L246 CegarLoopResult]: For program point L335-1(lines 335 343) no Hoare annotation was computed. [2019-12-07 15:58:24,371 INFO L246 CegarLoopResult]: For program point L335-2(lines 335 343) no Hoare annotation was computed. [2019-12-07 15:58:24,371 INFO L242 CegarLoopResult]: At program point L172-2(lines 172 186) the Hoare annotation is: false [2019-12-07 15:58:24,372 INFO L246 CegarLoopResult]: For program point L503(lines 503 514) no Hoare annotation was computed. [2019-12-07 15:58:24,372 INFO L246 CegarLoopResult]: For program point L305(lines 305 322) no Hoare annotation was computed. [2019-12-07 15:58:24,372 INFO L246 CegarLoopResult]: For program point L305-1(lines 305 322) no Hoare annotation was computed. [2019-12-07 15:58:24,372 INFO L246 CegarLoopResult]: For program point L305-2(lines 305 322) no Hoare annotation was computed. [2019-12-07 15:58:24,372 INFO L246 CegarLoopResult]: For program point L305-3(lines 305 322) no Hoare annotation was computed. [2019-12-07 15:58:24,372 INFO L246 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2019-12-07 15:58:24,372 INFO L246 CegarLoopResult]: For program point L305-4(lines 305 322) no Hoare annotation was computed. [2019-12-07 15:58:24,372 INFO L246 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2019-12-07 15:58:24,372 INFO L246 CegarLoopResult]: For program point L305-5(lines 305 322) no Hoare annotation was computed. [2019-12-07 15:58:24,372 INFO L246 CegarLoopResult]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2019-12-07 15:58:24,372 INFO L246 CegarLoopResult]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2019-12-07 15:58:24,372 INFO L246 CegarLoopResult]: For program point L140-3(lines 140 146) no Hoare annotation was computed. [2019-12-07 15:58:24,373 INFO L246 CegarLoopResult]: For program point L140-4(lines 140 146) no Hoare annotation was computed. [2019-12-07 15:58:24,373 INFO L246 CegarLoopResult]: For program point L140-5(lines 140 146) no Hoare annotation was computed. [2019-12-07 15:58:24,373 INFO L242 CegarLoopResult]: At program point L273(lines 272 291) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:58:24,373 INFO L246 CegarLoopResult]: For program point L273-1(lines 273 279) no Hoare annotation was computed. [2019-12-07 15:58:24,373 INFO L242 CegarLoopResult]: At program point L273-2(lines 272 291) the Hoare annotation is: false [2019-12-07 15:58:24,373 INFO L242 CegarLoopResult]: At program point L273-3(lines 272 291) the Hoare annotation is: false [2019-12-07 15:58:24,373 INFO L246 CegarLoopResult]: For program point L75(lines 75 79) no Hoare annotation was computed. [2019-12-07 15:58:24,373 INFO L246 CegarLoopResult]: For program point L571(lines 571 584) no Hoare annotation was computed. [2019-12-07 15:58:24,373 INFO L242 CegarLoopResult]: At program point L571-1(lines 1 953) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= 1 ~waterLevel~0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2))) [2019-12-07 15:58:24,374 INFO L246 CegarLoopResult]: For program point L571-2(lines 571 584) no Hoare annotation was computed. [2019-12-07 15:58:24,374 INFO L242 CegarLoopResult]: At program point L571-3(lines 1 953) the Hoare annotation is: false [2019-12-07 15:58:24,374 INFO L242 CegarLoopResult]: At program point L439(lines 424 442) the Hoare annotation is: false [2019-12-07 15:58:24,374 INFO L246 CegarLoopResult]: For program point L571-4(lines 571 584) no Hoare annotation was computed. [2019-12-07 15:58:24,374 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 15:58:24,374 INFO L242 CegarLoopResult]: At program point L439-1(lines 424 442) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) (<= 1 ~waterLevel~0) .cse1 .cse2))) [2019-12-07 15:58:24,374 INFO L242 CegarLoopResult]: At program point L571-5(lines 1 953) the Hoare annotation is: false [2019-12-07 15:58:24,374 INFO L242 CegarLoopResult]: At program point L439-2(lines 424 442) the Hoare annotation is: false [2019-12-07 15:58:24,374 INFO L242 CegarLoopResult]: At program point L439-3(lines 424 442) the Hoare annotation is: false [2019-12-07 15:58:24,375 INFO L242 CegarLoopResult]: At program point L439-4(lines 424 442) the Hoare annotation is: false [2019-12-07 15:58:24,375 INFO L242 CegarLoopResult]: At program point L439-5(lines 424 442) the Hoare annotation is: false [2019-12-07 15:58:24,375 INFO L246 CegarLoopResult]: For program point L176(lines 176 180) no Hoare annotation was computed. [2019-12-07 15:58:24,375 INFO L246 CegarLoopResult]: For program point L176-1(lines 273 279) no Hoare annotation was computed. [2019-12-07 15:58:24,375 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-12-07 15:58:24,375 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-12-07 15:58:24,375 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-12-07 15:58:24,375 INFO L246 CegarLoopResult]: For program point L474(lines 473 518) no Hoare annotation was computed. [2019-12-07 15:58:24,375 INFO L246 CegarLoopResult]: For program point L309(lines 309 317) no Hoare annotation was computed. [2019-12-07 15:58:24,375 INFO L246 CegarLoopResult]: For program point L309-1(lines 309 317) no Hoare annotation was computed. [2019-12-07 15:58:24,375 INFO L246 CegarLoopResult]: For program point L309-2(lines 309 317) no Hoare annotation was computed. [2019-12-07 15:58:24,375 INFO L246 CegarLoopResult]: For program point L309-3(lines 309 317) no Hoare annotation was computed. [2019-12-07 15:58:24,376 INFO L246 CegarLoopResult]: For program point L309-4(lines 309 317) no Hoare annotation was computed. [2019-12-07 15:58:24,376 INFO L246 CegarLoopResult]: For program point L309-5(lines 309 317) no Hoare annotation was computed. [2019-12-07 15:58:24,376 INFO L246 CegarLoopResult]: For program point L475(lines 475 479) no Hoare annotation was computed. [2019-12-07 15:58:24,376 INFO L242 CegarLoopResult]: At program point L145(lines 136 149) the Hoare annotation is: false [2019-12-07 15:58:24,376 INFO L242 CegarLoopResult]: At program point L145-1(lines 136 149) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 (<= 1 ~waterLevel~0) .cse1 .cse2))) [2019-12-07 15:58:24,376 INFO L242 CegarLoopResult]: At program point L145-2(lines 136 149) the Hoare annotation is: false [2019-12-07 15:58:24,376 INFO L242 CegarLoopResult]: At program point L145-3(lines 136 149) the Hoare annotation is: false [2019-12-07 15:58:24,376 INFO L242 CegarLoopResult]: At program point L145-4(lines 136 149) the Hoare annotation is: false [2019-12-07 15:58:24,376 INFO L242 CegarLoopResult]: At program point L145-5(lines 136 149) the Hoare annotation is: false [2019-12-07 15:58:24,376 INFO L246 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2019-12-07 15:58:24,376 INFO L246 CegarLoopResult]: For program point L509(lines 509 513) no Hoare annotation was computed. [2019-12-07 15:58:24,377 INFO L246 CegarLoopResult]: For program point L575-2(lines 575 581) no Hoare annotation was computed. [2019-12-07 15:58:24,377 INFO L246 CegarLoopResult]: For program point L509-2(lines 273 279) no Hoare annotation was computed. [2019-12-07 15:58:24,377 INFO L246 CegarLoopResult]: For program point L575-4(lines 575 581) no Hoare annotation was computed. [2019-12-07 15:58:24,377 INFO L242 CegarLoopResult]: At program point L280(lines 280 286) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2019-12-07 15:58:24,377 INFO L242 CegarLoopResult]: At program point L280-1(lines 280 286) the Hoare annotation is: false [2019-12-07 15:58:24,377 INFO L242 CegarLoopResult]: At program point L280-2(lines 280 286) the Hoare annotation is: false [2019-12-07 15:58:24,377 INFO L246 CegarLoopResult]: For program point L248(lines 248 255) no Hoare annotation was computed. [2019-12-07 15:58:24,377 INFO L249 CegarLoopResult]: At program point L248-1(lines 248 255) the Hoare annotation is: true [2019-12-07 15:58:24,377 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 15:58:24,377 INFO L246 CegarLoopResult]: For program point L483(lines 483 489) no Hoare annotation was computed. [2019-12-07 15:58:24,377 INFO L242 CegarLoopResult]: At program point L483-1(lines 483 489) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1))) [2019-12-07 15:58:24,378 INFO L242 CegarLoopResult]: At program point L384(lines 379 387) the Hoare annotation is: false [2019-12-07 15:58:24,378 INFO L242 CegarLoopResult]: At program point L384-1(lines 379 387) the Hoare annotation is: false [2019-12-07 15:58:24,378 INFO L242 CegarLoopResult]: At program point L384-2(lines 379 387) the Hoare annotation is: false [2019-12-07 15:58:24,378 INFO L246 CegarLoopResult]: For program point L87(lines 87 91) no Hoare annotation was computed. [2019-12-07 15:58:24,378 INFO L242 CegarLoopResult]: At program point L550(lines 1 953) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 15:58:24,378 INFO L246 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2019-12-07 15:58:24,378 INFO L246 CegarLoopResult]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2019-12-07 15:58:24,378 INFO L246 CegarLoopResult]: For program point L452-3(lines 452 456) no Hoare annotation was computed. [2019-12-07 15:58:24,378 INFO L246 CegarLoopResult]: For program point L452-5(lines 452 456) no Hoare annotation was computed. [2019-12-07 15:58:24,378 INFO L246 CegarLoopResult]: For program point L452-6(lines 452 456) no Hoare annotation was computed. [2019-12-07 15:58:24,378 INFO L242 CegarLoopResult]: At program point L221(lines 217 223) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 15:58:24,379 INFO L246 CegarLoopResult]: For program point L452-8(lines 452 456) no Hoare annotation was computed. [2019-12-07 15:58:24,379 INFO L242 CegarLoopResult]: At program point L155(lines 150 158) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:58:24,379 INFO L242 CegarLoopResult]: At program point L155-1(lines 150 158) the Hoare annotation is: false [2019-12-07 15:58:24,379 INFO L242 CegarLoopResult]: At program point L155-2(lines 150 158) the Hoare annotation is: false [2019-12-07 15:58:24,379 INFO L242 CegarLoopResult]: At program point L519(lines 472 520) the Hoare annotation is: false [2019-12-07 15:58:24,379 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 15:58:24,379 INFO L249 CegarLoopResult]: At program point L257(lines 238 260) the Hoare annotation is: true [2019-12-07 15:58:24,379 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 15:58:24,379 INFO L242 CegarLoopResult]: At program point L458(lines 443 461) the Hoare annotation is: (and (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1) (= 1 ~systemActive~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~4) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:58:24,379 INFO L242 CegarLoopResult]: At program point L458-1(lines 443 461) the Hoare annotation is: false [2019-12-07 15:58:24,380 INFO L242 CegarLoopResult]: At program point L458-2(lines 443 461) the Hoare annotation is: false [2019-12-07 15:58:24,380 INFO L242 CegarLoopResult]: At program point L558(lines 553 561) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 15:58:24,380 INFO L246 CegarLoopResult]: For program point L63(lines 63 67) no Hoare annotation was computed. [2019-12-07 15:58:24,380 INFO L246 CegarLoopResult]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2019-12-07 15:58:24,380 INFO L246 CegarLoopResult]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2019-12-07 15:58:24,380 INFO L246 CegarLoopResult]: For program point L493(lines 493 499) no Hoare annotation was computed. [2019-12-07 15:58:24,380 INFO L242 CegarLoopResult]: At program point L493-1(lines 493 499) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1))) [2019-12-07 15:58:24,380 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 15:58:24,380 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 15:58:24,380 INFO L242 CegarLoopResult]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1) (and .cse0 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1))) [2019-12-07 15:58:24,381 INFO L242 CegarLoopResult]: At program point L132-1(lines 127 135) the Hoare annotation is: false [2019-12-07 15:58:24,381 INFO L242 CegarLoopResult]: At program point L132-2(lines 127 135) the Hoare annotation is: false [2019-12-07 15:58:24,381 INFO L246 CegarLoopResult]: For program point L331(lines 331 348) no Hoare annotation was computed. [2019-12-07 15:58:24,381 INFO L246 CegarLoopResult]: For program point L331-1(lines 331 348) no Hoare annotation was computed. [2019-12-07 15:58:24,381 INFO L246 CegarLoopResult]: For program point L331-2(lines 331 348) no Hoare annotation was computed. [2019-12-07 15:58:24,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:58:24 BoogieIcfgContainer [2019-12-07 15:58:24,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:58:24,404 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:58:24,404 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:58:24,404 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:58:24,405 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:58:19" (3/4) ... [2019-12-07 15:58:24,407 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 15:58:24,420 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 15:58:24,421 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 15:58:24,422 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 15:58:24,422 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 15:58:24,423 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 15:58:24,424 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:58:24,424 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:58:24,444 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && 2 <= tmp) && 2 <= \result) && 0 == splverifierCounter) [2019-12-07 15:58:24,445 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 <= waterLevel) && 2 <= \result) && 0 == splverifierCounter) [2019-12-07 15:58:24,446 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter [2019-12-07 15:58:24,446 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 1 && 1 == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 15:58:24,447 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= tmp___0 && 1 == systemActive) && 0 == \result) && 1 <= \result) && 1 <= waterLevel) && 0 == tmp) && 0 == splverifierCounter [2019-12-07 15:58:24,447 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 15:58:24,491 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_83bee74e-0387-46f0-ad97-1d410d077ce1/bin/uautomizer/witness.graphml [2019-12-07 15:58:24,491 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:58:24,492 INFO L168 Benchmark]: Toolchain (without parser) took 5588.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.9 MB). Free memory was 946.2 MB in the beginning and 963.0 MB in the end (delta: -16.8 MB). Peak memory consumption was 175.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:58:24,492 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:58:24,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -185.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:58:24,493 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:58:24,493 INFO L168 Benchmark]: Boogie Preprocessor took 30.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:58:24,493 INFO L168 Benchmark]: RCFGBuilder took 500.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:58:24,493 INFO L168 Benchmark]: TraceAbstraction took 4597.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.3 MB). Free memory was 1.1 GB in the beginning and 977.4 MB in the end (delta: 76.9 MB). Peak memory consumption was 235.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:58:24,494 INFO L168 Benchmark]: Witness Printer took 87.18 ms. Allocated memory is still 1.2 GB. Free memory was 977.4 MB in the beginning and 963.0 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:58:24,495 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 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 325.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -185.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 500.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4597.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.3 MB). Free memory was 1.1 GB in the beginning and 977.4 MB in the end (delta: 76.9 MB). Peak memory consumption was 235.7 MB. Max. memory is 11.5 GB. * Witness Printer took 87.18 ms. Allocated memory is still 1.2 GB. Free memory was 977.4 MB in the beginning and 963.0 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) || (((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: (((((1 <= tmp___0 && 1 == systemActive) && 0 == \result) && 1 <= \result) && 1 <= waterLevel) && 0 == tmp) && 0 == splverifierCounter - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 1 && 1 == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) || (((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && 2 <= tmp) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 <= waterLevel) && 2 <= \result) && 0 == splverifierCounter) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, HoareTripleCheckerStatistics: 1169 SDtfs, 1561 SDslu, 1818 SDs, 0 SdLazy, 314 SolverSat, 62 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=271occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 645 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 115 NumberOfFragments, 318 HoareAnnotationTreeSize, 42 FomulaSimplifications, 120838 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 42 FomulaSimplificationsInter, 44834 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 555 NumberOfCodeBlocks, 555 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 541 ConstructedInterpolants, 0 QuantifiedInterpolants, 45993 SizeOfPredicates, 8 NumberOfNonLiveVariables, 855 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 159/175 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...